DB9 Extension Cable Adapter 3 Meters

DB9-DB9 Extension Cable (3M, CAN Bus)

Need to extend your CAN bus system?

With this 3 meter low cost DB9 female to DB9 male connector cable, you'll be able to easily extend your CAN bus system or connect your CAN logger to a difficult-to-reach location.

The cables are non-terminated, letting you combine multiple together.

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Regular price
30 EUR
Unit price
per 
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Solid Quality Rugged Cable AWG
SOLID QUALITY

Rugged quality adapter cable with 22 AWG (0.5 mm2) thickness

Non Terminated Large CAN Bus Systems
COMBINE

Cables are non-terminated and can be combined multiple times

Easily Access Logger in Remote Locations
CONVENIENT

Easily access your CAN logger from difficult-to-reach applications

Lock Cables with Screws
SOLID LOCK

DB9 screw locks ensure a solid connection

Standard CAN in Automation DB9
STANDARD DB9

Works with most CAN bus adapters (CiA 303-1 compatible)

1 Year Warranty
1Y WARRANTY

We offer a 1-year warranty on all our products



About the extension cable

The 3 meter DB9 (male) to DB9 (female) CAN bus extension cable is great for connecting multiple CAN nodes in a system. In particular, you can use it to connect a CANedge/CLX000 to an existing CAN bus system in difficult-to-reach locations.

The cable is non-terminated, letting you combine multiple cables. The DB9 pinouts are according to CiA 303-1, meaning that the cable can be used with any of our CAN loggers and adapters - as well as most other CAN tools on the market.

use cases
DB9 extension cable





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GENERAL
Adapter Cable Length 300 cm
Adapter Pins In accordance with CiA 303-1
Compatibility High Speed CAN Bus (ISO 11898-2) incl. CAN FD, SAE J1939, OBD2, NMEA, CANopen
Cable Thickness 22 AWG (0.50 mm2)
Connectors 9-pin D-sub (DB9) male to female
Temperature Operating temperature: -20degC to +80degC
Weight 360G



Adapter pinout


DB9 (female) Function DB9 (male)
1 VCC (5V) 1
2 CAN-L 2
3 GND 3
4 LIN Data 1 4
5 N/C
6 GND (Optional) 6
7 CAN-H 7
8 N/C
9 VCC 9

Below is an example where the extension cable may be relevant:

Industrial Automation CAN Bus Data Logger

Machine in hard to reach location

Need to log data from less accessible machinery?

If you need to collect CAN data from difficult-to-reach assets a DB9-DB9 extension cable can provide quick access to your CAN logger. It's also useful in case you need to stream real-time CAN data from e.g. test benches while being in a different room.

Note that the maximal bit rate falls as you extend the cables.




When the length of the CAN bus system is extended, there is an increased propagation delay. For signaling at 1 Mbps, the maximum cable length is 40 meters to be compliant with the CAN bus standard, which specifies a maximum propagation delay of 5 ns per meter. For details, see this NI article.