{"product_id":"ptp-grandmaster-clock-gps-time-server-tm2000b","title":"PTP Grandmaster Clock (TM2000B)","description":"\u003cdiv id=\"ptp-grandmaster-top\"\u003e\u003c\/div\u003e\r\n\u003cp\u003eNeed to sync multiple CANsub devices to one shared clock - and achieve \u0026lt;10 µs absolute sync via PTP (Precision Time Protocol)?\u003c\/p\u003e\r\n\u003cp\u003eThe TM2000B is a GPS-based PTP grandmaster clock. Connect it to your Ethernet switch and every\r\n  \u003ca href=\"https:\/\/www.csselectronics.com\/products\/can-fd-usb-interface-ethernet-cansub-2\"\u003eCANsub.2\u003c\/a\u003e \/ \u003ca href=\"https:\/\/www.csselectronics.com\/products\/can-bus-interface-usb-ethernet-cansub-4\"\u003eCANsub.4\u003c\/a\u003e on the network\r\n  syncs to it - aligning all CAN frame timestamps to true UTC with practically perfect precision.\r\n\u003c\/p\u003e\r\n\u003cp\u003eIt is a standalone, professional-grade alternative to running a Linux PC or Raspberry Pi as a software PTP master:\r\n  Configured in 2 minutes via your browser - with no host to maintain.\u003c\/p\u003e\r\n\u003cp\u003eBuy now - or learn more below!\u003c\/p\u003e\r\n\u003c!-- split --\u003e\r\n\u003cul class=\"tab\"\u003e\r\n  \u003cli style=\"list-style-type: none; margin: 0;\"\u003e\u003ca href=\"#void\" class=\"tablinks activetab\" onclick=\"openTabContent(event, 'description')\"\u003eOUTLINE\u003c\/a\u003e\u003c\/li\u003e\r\n  \u003cli style=\"list-style-type: none; margin: 0;\"\u003e\u003ca href=\"#void\" class=\"tablinks\" onclick=\"openTabContent(event, 'specs')\"\u003eTECH SPECS\u003c\/a\u003e\u003c\/li\u003e\r\n  \u003cli style=\"list-style-type: none; margin: 0;\"\u003e\u003ca href=\"#void\" class=\"tablinks\" onclick=\"openTabContent(event, 'usecases')\"\u003eUSE CASES\u003c\/a\u003e\u003c\/li\u003e\r\n  \u003cli style=\"list-style-type: none; margin: 0;\"\u003e\u003ca href=\"#void\" class=\"tablinks\" onclick=\"openTabContent(event, 'faq')\"\u003eFAQ\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv id=\"description\" class=\"tabcontent\" style=\"display:block\"\u003e\r\n  \u003cbr\u003e\u003cbr\u003e\r\n  \u003cdiv class=\"grid center_text\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003cdiv class=\"grid\"\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cfs-10-us-sync.svg\" alt=\"Two clocks kept in sync - all CANsub devices on the network share one clock below 10 microseconds\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003e10 µS SYNC\u003c\/span\u003e\r\n          \u003cp\u003eSync all CANsub devices on your network to one clock - below 10 µs\u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cfs-gps-absolute.svg\" alt=\"GPS satellite - GPS reference clock with absolute UTC time\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003eGPS BASED\u003c\/span\u003e\r\n          \u003cp\u003eGPS reference enables true UTC timestamps, not a drifting PC time\u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/features\/Plug-and-Play-CAN-Bus.svg\" alt=\"Stopwatch - the PTP grandmaster is configured in 2 minutes via a browser\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003e2 MIN SETUP\u003c\/span\u003e\r\n          \u003cp\u003eDeploy \u0026amp; configure in seconds. Optional Power-over-Ethernet. \u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n      \u003c\/div\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003cdiv class=\"grid\"\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cfs-standalone.svg\" alt=\"Crossed-out laptop - standalone time server with no host software to maintain\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003eSTANDALONE\u003c\/span\u003e\r\n          \u003cp\u003eRuns offline with no internet, host software or scripts to maintain\u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cfs-holdover.svg\" alt=\"Clock with shield - OCXO holdover keeps serving stable time if GPS is lost\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003eHOLDOVER\u003c\/span\u003e\r\n          \u003cp\u003eOCXO oscillator keeps serving stable time if the GPS signal is lost\u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n        \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n          \u003cimg loading=\"lazy\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/features\/USB-3G-4G-hotspot-router-multiple.svg\" alt=\"One grandmaster serving many CANsub devices across the LAN\" class=\"feature_zoom ar-100-100\"\u003e\r\n          \u003cspan class=\"blue-text-feature\"\u003eSCALABLE\u003c\/span\u003e\r\n          \u003cp\u003eOne unit serves any number of CANsub devices across your LAN\u003c\/p\u003e\r\n        \u003c\/div\u003e\r\n      \u003c\/div\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbr\u003e\u003cbr\u003e\r\n  \u003cbr\u003e\r\n  \u003cdiv class=\"grid\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003ch2\u003eAbout the TM2000B\u003cbr\u003e- a GPS PTP grandmaster\u003c\/h2\u003e\r\n      \u003cp\u003eThe TM2000B from TimeMachines is a compact GPS-disciplined network time server: It receives the GPS time\r\n        signal via the included antenna and serves it to your network as a PTP grandmaster - with no internet connection\r\n        required.\u003c\/p\u003e\r\n      \u003cp\u003eWe offer it as an accessory for the \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-hardware-products\"\u003eCANsub\u003c\/a\u003e: When several CANsub devices\r\n        stream CAN data on one network, their clocks drift apart over time. With the TM2000B on the network, each\r\n        CANsub automatically syncs to it - so frame timestamps across all devices share one absolute time base within\r\n        10 µs.\u003c\/p\u003e\r\n\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003cimg loading=\"lazy\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/cansub-tm2000b-time-sync-ptp-master.jpg\" alt=\"TM2000B GPS PTP grandmaster clock connected to an Ethernet switch, keeping multiple CANsub devices in time sync\" class=\"lightbox\" style=\"aspect-ratio:1600\/1143;\"\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\r\n  \u003cdiv class=\"grid reversify\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003cvideo class=\"lazy\" controls=\"\" playsinline=\"\" autoplay=\"\" loop=\"\" muted=\"\" style=\"width:95%;\"\u003e\r\n        \u003csource src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/mp4-placeholder-64-36.svg?v=1629206283\" data-src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/c626eb7dc401443aaa2f31e4f815e753.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\r\n      \u003cbr\u003e\u003cbr\u003e\r\n      \u003cvideo class=\"lazy\" controls=\"\" playsinline=\"\" autoplay=\"\" loop=\"\" muted=\"\" style=\"width:95%;\"\u003e\r\n        \u003csource src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/mp4-placeholder-64-36.svg?v=1629206283\" data-src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/d4968a0482dc4f03b46ba93df7690143.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-half\"\u003e\r\n      \u003ch2\u003ePTP in practice - 8 x CAN on LAN\u003c\/h2\u003e\r\n      \u003cp\u003eIn our \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-ethernet-interface-wifi-lte#showcase-2\"\u003eCAN via\r\n          Ethernet article\u003c\/a\u003e, we deploy 2 x CANsub.4 (8 x CAN) on an office switch and run a python-can test lab\r\n        simulation. Without PTP, the two device clocks drift apart - eventually failing the cross-device timing checks\r\n        in the test dashboard.\u003c\/p\u003e\r\n      \u003cp\u003eEnabling PTP against a software master on a Linux PC brings the devices to within 10 µs. With the TM2000B\r\n        as hardware grandmaster, the sync is even tighter - and every timestamp is now tied to absolute GPS time rather\r\n        than the PC clock.\u003c\/p\u003e\r\n      \u003cp\u003eAs a second visualization, a CANmod.input feeds the same signal to both CANsub.4 devices. In \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-interface-savvycan\"\u003eSavvyCAN\u003c\/a\u003e, the plots from the two\r\n        devices align perfectly once PTP is enabled.\u003c\/p\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbr\u003e\u003cbr\u003e\r\n  \u003cbutton class=\"accordion_faq center_text\" type=\"button\" id=\"software-vs-hardware\"\u003eSoftware PTP master (Linux PC or\r\n    Raspberry Pi) vs. hardware grandmaster\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eA Linux PC or Raspberry Pi running e.g. linuxptp can act as a software PTP master - and in our showcase this\r\n      alone reduces the cross-device sync error by 99%+ (from 1-2 ms to below 10 µs). It is a good option for\r\n      quick tests when a suitable Linux host is already at hand and someone can keep it running.\u003c\/p\u003e\r\n    \u003cp\u003eHowever, the software approach has practical limits: The PC clock itself is only as accurate as its NTP source,\r\n      the host must stay powered and maintained 24\/7, the PTP messages are typically timestamped in software (or\r\n      depend on network card support) which adds jitter - and setup requires Linux know-how.\u003c\/p\u003e\r\n    \u003cp\u003eThe TM2000B addresses this as a dedicated device: GPS-disciplined absolute time, PTP messages timestamped in\r\n      hardware at the network port, OCXO holdover if GPS is lost - and a 2 minute browser-based setup with no host to\r\n      maintain. We recommend it for test labs, end-of-line stations, vessels and any deployment that must run\r\n      unattended, e.g. in the field.\u003c\/p\u003e\r\n    \u003cp\u003eNote that the CANsub itself hardware timestamps every CAN frame at 1 µs resolution regardless of the PTP\r\n      master. The master only determines how precisely the device clocks are aligned to each other and to UTC.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq center_text\" type=\"button\" id=\"setup-cansub\"\u003eSetting up the TM2000B for the\r\n    CANsub\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003e\u003cstrong\u003e1. Antenna:\u003c\/strong\u003e Place the GPS antenna with a clear view of the sky and\r\n      connect it to the SMA port on the rear of the TM2000B. The antenna has a magnetic base and a 5 m cable, so it can\r\n      be placed well away from the unit.\u003c\/p\u003e\r\n    \u003cp\u003e\u003cstrong\u003e2. Power and network:\u003c\/strong\u003e Connect the included 12 V power supply and an Ethernet cable from the\r\n      TM2000B to your switch or router. The unit boots within seconds and the POW LED turns on. Optionally, you can use\r\n      a Power-over-Ethernet adapter to power the TM2000B for easier installation (not included).\u003c\/p\u003e\r\n    \u003cp\u003e\u003cstrong\u003e3. Configure:\u003c\/strong\u003e Open the web interface in your browser (default IP 192.168.1.20 - or enable\r\n      DHCP) and set your network and PTP settings. For multiple CANsub devices, use multicast mode.\u003c\/p\u003e\r\n    \u003cp\u003e\u003cstrong\u003e4. GPS lock:\u003c\/strong\u003e Wait for the LOCK LED to turn solid (3D GPS fix) and the SEC LED to blink once\r\n      per second - the TM2000B is now serving GPS time as PTP grandmaster on your network. A first fix typically takes\r\n      less than a minute with a clear view of the sky.\u003c\/p\u003e\r\n    \u003cp\u003e\u003cstrong\u003e5. CANsub:\u003c\/strong\u003e No configuration is needed on the CANsub. With a PTP grandmaster present on the\r\n      network, the devices sync to it automatically - whether you use webCAN, python-can, SavvyCAN or your own apps.\u003c\/p\u003e\r\n    \u003cp\u003eSee the \u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-tm2000b-quick-setup-guide.pdf\"\u003equick\r\n        setup guide\u003c\/a\u003e and \u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-tm2000b-ptp-ntp-time-server-manual.pdf\"\u003eproduct\r\n        manual\u003c\/a\u003e for details.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq center_text\" type=\"button\" id=\"third-party\"\u003eNote on 3rd party manufacturer and\r\n    support\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eThe TM2000B is manufactured by a 3rd party (TimeMachines). We have selected and tested it as a low cost,\r\n      easy-to-deploy PTP grandmaster for the CANsub and offer it as an accessory for CANsub users who need multi-device\r\n      time synchronization.\u003c\/p\u003e\r\n    \u003cp\u003eWe are happy to support questions related to using the TM2000B with the CANsub - incl. via our showcases and\r\n      guides. For technical questions beyond the TM2000B + CANsub, we refer to the \u003ca href=\"https:\/\/timemachinescorp.com\/\"\u003eTimeMachines\u003c\/a\u003e documentation and their support.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbr\u003e\u003cbr\u003e\r\n  \u003cp class=\"center_text\"\u003eCheck out our \u003ca href=\"#specs\" onclick=\"openTabContent(event, 'specs')\"\u003etech specs\u003c\/a\u003e, \u003ca href=\"#usecases\" onclick=\"openTabContent(event, 'usecases')\"\u003euse cases\u003c\/a\u003e or \u003ca href=\"#faq\" onclick=\"openTabContent(event, 'faq')\"\u003eFAQ\u003c\/a\u003e - or \u003ca href=\"#ptp-grandmaster-top\"\u003ebuy now\u003c\/a\u003e!\u003c\/p\u003e\r\n  \u003cdiv class=\"center_text\"\u003e\r\n    \u003cp class=\"center_text\"\u003eDo you have any questions?\u003c\/p\u003e\n\u003ca class=\"btn-base btn-blue btn-middle\" href=\"https:\/\/www.csselectronics.com\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e\r\n  \u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv id=\"specs\" class=\"tabcontent\"\u003e\n\u003cbr\u003e\r\n  \u003cdiv class=\"grid\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n      \u003ctable\u003e\r\n        \u003ctbody\u003e\r\n          \u003ctr\u003e\r\n            \u003ctd style=\"width: 30%;vertical-align: top;\"\u003e\r\n              \u003cimg loading=\"lazy\" style=\"aspect-ratio:150\/150;width:100%;\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/CANedge-get-started-guide.png\" alt=\"TM2000B quick setup guide\"\u003e\r\n            \u003c\/td\u003e\r\n            \u003ctd style=\"width: 70%;\"\u003e\r\n              \u003cp\u003e\u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-tm2000b-quick-setup-guide.pdf\"\u003eQuick\r\n                  Setup Guide\u003c\/a\u003e\u003c\/p\u003e\r\n            \u003c\/td\u003e\r\n          \u003c\/tr\u003e\r\n        \u003c\/tbody\u003e\r\n      \u003c\/table\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n      \u003ctable\u003e\r\n        \u003ctbody\u003e\r\n          \u003ctr\u003e\r\n            \u003ctd style=\"width: 30%;vertical-align: top;\"\u003e\r\n              \u003cimg loading=\"lazy\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/CAN-Bus-Documentation-Manual-Device.png\" alt=\"TM2000B product manual\" style=\"aspect-ratio:150\/150;width:100%;\"\u003e\r\n            \u003c\/td\u003e\r\n            \u003ctd style=\"width: 70%;\"\u003e\r\n              \u003cp\u003e\u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-tm2000b-ptp-ntp-time-server-manual.pdf\"\u003eProduct\r\n                  Manual\u003c\/a\u003e\u003c\/p\u003e\r\n            \u003c\/td\u003e\r\n          \u003c\/tr\u003e\r\n        \u003c\/tbody\u003e\r\n      \u003c\/table\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n      \u003ctable\u003e\r\n        \u003ctbody\u003e\r\n          \u003ctr\u003e\r\n            \u003ctd style=\"width: 30%;vertical-align: top;\"\u003e\r\n              \u003cimg loading=\"lazy\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/CAN-Bus-Documentation-Manual-Device.png\" alt=\"TM2000B product datasheet\" style=\"aspect-ratio:150\/150;width:100%;\"\u003e\r\n            \u003c\/td\u003e\r\n            \u003ctd style=\"width: 70%;\"\u003e\r\n              \u003cp\u003e\u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-tm2000b-ptp-ntp-time-server-datasheet.pdf\"\u003eProduct\r\n                  Datasheet\u003c\/a\u003e\u003c\/p\u003e\r\n            \u003c\/td\u003e\r\n          \u003c\/tr\u003e\r\n        \u003c\/tbody\u003e\r\n      \u003c\/table\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n      \u003ctable\u003e\r\n        \u003ctbody\u003e\r\n          \u003ctr\u003e\r\n            \u003ctd style=\"width: 30%;vertical-align: top;\"\u003e\r\n              \u003cimg loading=\"lazy\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/CAN-Bus-Documentation-Manual-Device.png\" alt=\"Outdoor GPS antenna configuration guide\" style=\"aspect-ratio:150\/150;width:100%;\"\u003e\r\n            \u003c\/td\u003e\r\n            \u003ctd style=\"width: 70%;\"\u003e\r\n              \u003cp\u003e\u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-outdoor-gps-antenna-configuration-guide.pdf\"\u003eAntenna\r\n                  Guide\u003c\/a\u003e\u003c\/p\u003e\r\n            \u003c\/td\u003e\r\n          \u003c\/tr\u003e\r\n        \u003c\/tbody\u003e\r\n      \u003c\/table\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n      \u003ctable\u003e\r\n        \u003ctbody\u003e\r\n          \u003ctr\u003e\r\n            \u003ctd style=\"width: 30%;vertical-align: top;\"\u003e\r\n              \u003cimg loading=\"lazy\" src=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/J1939-Analyzer-3D-STEP-Technical-Drawing-3.svg\" alt=\"TM2000B enclosure drawing\" style=\"aspect-ratio:150\/150;width:100%;\"\u003e\r\n            \u003c\/td\u003e\r\n            \u003ctd style=\"width: 70%;\"\u003e\r\n              \u003cp\u003e\u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/tm2000b-enclosure-drawing-hammond-1455l1201.pdf\"\u003eEnclosure\r\n                  Drawing\u003c\/a\u003e\u003c\/p\u003e\r\n            \u003c\/td\u003e\r\n          \u003c\/tr\u003e\r\n        \u003c\/tbody\u003e\r\n      \u003c\/table\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-sixth\"\u003e\r\n       \r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbr\u003e\r\n  \u003ctable class=\"comp_table\"\u003e\r\n    \u003ctbody\u003e\r\n      \u003ctr class=\"tech\" id=\"general-tech-specs\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eGENERAL\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eFunctionality\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eGPS-based PTP grandmaster clock for syncing CANsub devices (and\/or host PCs) on a\r\n          LAN\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eManufacturer\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eTimeMachines (USA).\r\n          Model TM2000B\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eCompatibility\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eCANsub.2 and CANsub.4 via Ethernet. Any other PTP or NTP client on the network\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eIn the box\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eTM2000B, 12 V international power supply, GPS patch antenna (5 m cable), quick setup guide,\r\n          rubber grips\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eConfiguration\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eBrowser web interface (default IP 192.168.1.20, DHCP optional). No software installation\r\n          required\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eSupport\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eWe support CANsub related setup. Advanced time server questions may be referred to TimeMachines\r\n        \u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eWarranty\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e1-year warranty\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eSafety\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eCE, FCC and RoHS certified\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eOrigin\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eUSA\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eTIME SYNC\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePTP standard\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eIEEE 1588:2008 (PTP v2). Unicast or multicast. End-to-end and peer-to-peer delay mechanisms\r\n        \u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePTP profiles\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e802.1AS (gPTP), telecom G.8265.1 \/ G.8275.1 \/ G.8275.2, automotive, SMPTE\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePTP precision\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eCross-device sync below 10 µs across CANsub devices (GPS-disciplined, PTP messages\r\n          timestamped in hardware)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eNTP\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eNTP v1-4 (RFC 1119\/1305\/5905) and SNTP. MD5\/SHA1 authentication. Stratum 1\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eNTP capacity\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e750+ requests per second (600,000+ clients polling every 15 minutes)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eHoldover\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eOCXO oscillator (20 ppb). PTP holdover time user-settable from 1 minute to infinite\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePTP without GPS\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eOptional: Serve PTP from a manually set or NTP-peered time (reduced accuracy)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eLeap seconds\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003ePositive and negative leap second support for NTP and PTP\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eGPS\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eReceiver\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eMediaTek MT3339, GPS L1 (1575.42 MHz). Sensitivity -165 dBm\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eTime to first fix\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eTypically 33 s from cold start, 1 s re-acquisition after a short obstruction\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eLock requirement\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e3D GPS lock required to serve time (2D optionally allowed for NTP). Status shown via front\r\n          panel LEDs\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eAntenna (included)\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eActive patch antenna, magnetic base, +28 dB LNA, 5 m RG174 cable, SMA male, IPx6, -40 to +85\r\n          degC\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eAntenna power\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e5 V (default) or 3.3 V via internal jumper\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eOutdoor antenna\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eOptional outdoor antenna kits with up to 250 ft cable (see the \u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-outdoor-gps-antenna-configuration-guide.pdf\"\u003eantenna\r\n            guide\u003c\/a\u003e)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eNETWORK\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eEthernet\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e1 x RJ45, 10\/100 Mbps auto-sensing, hardware timestamping of PTP messages\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eIP\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eIPv4 (static or DHCP) and IPv6\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eManagement\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eWeb interface, SNMP v2\/v3, mini-USB serial status output (115200 baud)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePTP ports\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eAnnounce messages on UDP 320, Sync and Delay messages on UDP 319 (standard PTP)\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eELECTRICAL\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eInput voltage\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e9-16 V DC. 5.5 x 2.5 mm barrel connector, center positive. 12 V supply included\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003ePower consumption\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e5 W at startup, 2.5 W continuous\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003cth class=\"techheader\"\u003e\u003cstrong\u003eMECHANICAL\u003c\/strong\u003e\u003c\/th\u003e\r\n        \u003cth class=\"techheader\"\u003e \u003c\/th\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eDimensions\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e12.7 x 10.7 x 3.3 cm. Aluminum enclosure\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eWeight\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003e816 g\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eConnections\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eRear: Power, RJ45 Ethernet, serial, SMA antenna. Front: Status LEDs and reset button\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eIndicators\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003ePower, GPS lock and 1PPS (seconds) LEDs\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n      \u003ctr class=\"tech\"\u003e\r\n        \u003ctd class=\"techleft\"\u003eTemperature\u003c\/td\u003e\r\n        \u003ctd class=\"tech\"\u003eFull accuracy from -10 to +50 degC (degraded outside). 95% humidity non-condensing\u003c\/td\u003e\r\n      \u003c\/tr\u003e\r\n    \u003c\/tbody\u003e\r\n  \u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv id=\"usecases\" class=\"tabcontent\"\u003e\n\u003cbr\u003e\r\n  \u003cp\u003eBelow we outline example use cases for the TM2000B as a PTP grandmaster for CANsub deployments:\u003c\/p\u003e\n\u003cbr\u003e\r\n  \u003cdiv class=\"grid\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n      \u003cimg loading=\"lazy\" class=\"ar-800-600\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cansub-ptp-master-network-cross-device-sync.svg\" alt=\"Multiple CANsub devices on one network kept in cross-device sync by a PTP grandmaster clock\"\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--two-thirds\"\u003e\r\n      \u003ch3 class=\"blue_text\"\u003eTest labs and end-of-line testing\u003c\/h3\u003e\r\n      \u003cp\u003e\u003cstrong\u003eNeed to correlate CAN data across many CANsub devices in a test hall?\u003c\/strong\u003e\u003c\/p\u003e\r\n      \u003cp\u003eIn a test lab or end-of-line setup, several CANsub devices often monitor separate CAN buses across rigs, cells\r\n        or stations. Add the TM2000B to the same switch and every device syncs to one GPS-disciplined clock - so frames\r\n        from different devices can be compared directly in \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/python-can-usb-serial-api-stream\"\u003epython-can\u003c\/a\u003e, SavvyCAN or your\r\n        own apps. Timing checks across rigs become meaningful, and results carry absolute UTC timestamps for\r\n        traceability.\u003c\/p\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\r\n  \u003cdiv class=\"grid reversify\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--two-thirds\"\u003e\r\n      \u003ch3 class=\"blue_text\"\u003eMaritime predictive maintenance\u003c\/h3\u003e\r\n      \u003cp\u003e\u003cstrong\u003eNeed many sensors and CANsub devices across a vessel in perfect absolute sync?\u003c\/strong\u003e\u003c\/p\u003e\r\n      \u003cp\u003eOn larger vessels, real-time predictive maintenance may involve many CANsub devices streaming engine,\r\n        propulsion and \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/nmea-2000-n2k-intro-tutorial\"\u003eNMEA\r\n          2000\u003c\/a\u003e data from across the ship - alongside other sensor systems. With the TM2000B on the ship network\r\n        (and an outdoor GPS antenna on deck), every device shares one absolute time base. This lets you correlate\r\n        vibration, load and engine data across decks with microsecond precision - feeding accurate real-time\r\n        analytics.\u003c\/p\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n      \u003cimg loading=\"lazy\" class=\"ar-800-600\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cansub-2-ethernet-connect-lan-wifi-marine-ptp-sync.svg\" alt=\"CANsub devices across a vessel network kept in absolute time sync via a GPS PTP grandmaster clock\"\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\r\n  \u003cdiv class=\"grid\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n      \u003cimg loading=\"lazy\" class=\"ar-800-600\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cansub-2-wind-turbine-remote-lte-ptp-sync.svg\" alt=\"CANsub devices in separate wind turbines, each synced to a local PTP grandmaster and reached via LTE and VPN\"\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--two-thirds\"\u003e\r\n      \u003ch3 class=\"blue_text\"\u003eWind turbine parks via LTE\u003c\/h3\u003e\r\n      \u003cp\u003e\u003cstrong\u003eNeed real-time data from separate turbines to stay in perfect cross-sync?\u003c\/strong\u003e\u003c\/p\u003e\r\n      \u003cp\u003eAcross a wind park, each turbine typically hosts its own CANsub on a separate network - reached remotely via\r\n        an LTE router and VPN, as in our \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-ethernet-interface-wifi-lte\"\u003eCAN via Ethernet\r\n          article\u003c\/a\u003e. Add a TM2000B next to each CANsub and every device is synced to GPS time locally - so frames from\r\n        different turbines share one absolute time base, even though the devices never see each other. Since the\r\n        CANsub hardware timestamps each frame at the edge, the LTE latency and jitter on the way to your dashboard do\r\n        not affect the timing - enabling unique cross-turbine insights in real-time with practically perfect sync.\u003c\/p\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\r\n  \u003cdiv class=\"grid reversify\"\u003e\r\n    \u003cdiv class=\"grid__item medium-up--two-thirds\"\u003e\r\n      \u003ch3 class=\"blue_text\"\u003eCAN alongside other PTP systems\u003c\/h3\u003e\r\n      \u003cp\u003e\u003cstrong\u003eNeed to align CAN data with cameras, DAQ systems or PLCs on the same clock?\u003c\/strong\u003e\u003c\/p\u003e\r\n      \u003cp\u003eMany test and automation systems already speak PTP: Cameras, data acquisition units, PLCs and measurement\r\n        instruments. With the TM2000B as the common grandmaster, the CANsub joins the same PTP domain - so CAN frame\r\n        timestamps line up with the video frames, analog samples and control events recorded by the rest of your\r\n        setup. This simplifies root cause analysis across systems.\u003c\/p\u003e\r\n    \u003c\/div\u003e\r\n    \u003cdiv class=\"grid__item medium-up--one-third\"\u003e\r\n      \u003cimg loading=\"lazy\" class=\"ar-800-600\" src=\"https:\/\/canlogger1000.csselectronics.com\/img\/cansub-ptp-multi-sensor-deployments-precision-time-protocol.svg\" alt=\"CANsub devices sharing a PTP domain with cameras, DAQ systems and PLCs in a test setup\"\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv id=\"faq\" class=\"tabcontent\"\u003e\n\u003cbr\u003e\r\n  \u003cbr\u003e\r\n  \u003cbutton class=\"accordion_faq\" type=\"button\"\u003eCan I use a Linux PC or Raspberry Pi as PTP master instead?\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eYes. In our \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-ethernet-interface-wifi-lte#showcase-2\"\u003eCAN via\r\n        Ethernet article\u003c\/a\u003e, an office Linux PC running a software PTP master brings 2 x CANsub.4 to within 10\r\n      µs of each other - a good option for quick tests when a suitable host is available. The TM2000B is the\r\n      professional-grade alternative: It adds GPS-disciplined absolute time, PTP messages timestamped in hardware at\r\n      the network port (rather than in software), holdover if GPS is lost and a 2 minute setup - with no PC to keep\r\n      running. In our own test with the TM2000B, the two CANsub.4 devices synced to within about +\/- 1 µs of\r\n      each other - and to absolute UTC.\u003c\/p\u003e\r\n    \u003cp\u003eEither way, the CANsub hardware timestamps every CAN frame at 1 µs resolution - with or without a PTP\r\n      master. The master only determines how precisely the device clocks are aligned to each other and to UTC.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq\" type=\"button\"\u003eDo I need to configure the CANsub to use PTP?\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eNo. The CANsub syncs to a PTP grandmaster on its network automatically - there are no settings to change on the\r\n      device. Since the clock alignment happens on the CANsub itself, it applies across all the CANsub software tools,\r\n      incl. \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/webcan-can-bus-streaming-software-browser\"\u003ewebCAN\u003c\/a\u003e, \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/python-can-usb-serial-api-stream\"\u003epython-can\u003c\/a\u003e, \u003ca href=\"https:\/\/www.csselectronics.com\/pages\/can-bus-interface-savvycan\"\u003eSavvyCAN\u003c\/a\u003e and your own REST\/WebSocket\r\n      apps. The CANsub also exposes its PTP sync status, as shown in our showcase dashboard.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq\" type=\"button\"\u003eDoes the GPS antenna need to be placed outdoors?\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eNot necessarily. The included active patch antenna (5 m cable, magnetic base) typically achieves a 3D GPS lock\r\n      when placed on a window sill or another spot with a reasonable view of the sky. In metal buildings, below deck on\r\n      a vessel or in shielded test halls, an outdoor antenna is the robust solution: TimeMachines offers outdoor\r\n      antenna kits with mounts, lightning arrestors and up to 250 ft of cable - see the \u003ca href=\"https:\/\/www.csselectronics.com\/cdn\/shop\/files\/timemachines-outdoor-gps-antenna-configuration-guide.pdf\"\u003eoutdoor\r\n        antenna guide\u003c\/a\u003e.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq\" type=\"button\"\u003eDoes the TM2000B need an internet connection?\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eNo. The TM2000B gets the time directly from the GPS satellites and distributes it on your local network. This\r\n      means it works on networks with no internet access at all, e.g. an isolated test lab network or a ship - and the\r\n      time does not depend on an internet time server. Besides PTP for your CANsub devices, it can also serve NTP to\r\n      the PCs and servers on the same network.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n  \u003cbutton class=\"accordion_faq\" type=\"button\"\u003eWhat does 'below 10 µs cross-device sync' mean in practice?\u003c\/button\u003e\r\n  \u003cdiv class=\"panel_faq\"\u003e\n\u003cbr\u003e\r\n    \u003cp\u003eEach CANsub timestamps every RX\/TX CAN frame at 1 µs resolution 'at the edge'. Without PTP, each device runs\r\n      on its own clock, and clocks drift apart - typically by tens of milliseconds over a day. With PTP against the\r\n      TM2000B, all CANsub devices stay within 10 µs of each other and of UTC. For reference, a single CAN frame at\r\n      500 kbit\/s takes 200+ µs on the bus - so the order and relative timing of frames across devices becomes\r\n      unambiguous.\u003c\/p\u003e\r\n  \u003c\/div\u003e\r\n\r\n  \u003cbr\u003e\u003cbr\u003e\r\n  \u003cp class=\"center_text\"\u003eStill have questions?\u003cbr\u003e\u003ca class=\"btn-secondary\" href=\"https:\/\/www.csselectronics.com\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003cbr\u003e\u003cbr\u003e\r\n\u003chr\u003e","brand":"CSS Electronics","offers":[{"title":"Default Title","offer_id":55423306137942,"sku":"A064","price":900.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8032\/1980\/files\/tm2000b-ptp-master-cansub-sync_63115582-154d-49a2-9d13-520ed872b8e5.jpg?v=1789737640","url":"https:\/\/www.csselectronics.com\/products\/ptp-grandmaster-clock-gps-time-server-tm2000b","provider":"CSS Electronics","version":"1.0","type":"link"}