J1939-to-DB9/DB9 Adapter (Deutsch 9-Pin, 2 x CAN): H+J

$119.95

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SKU: GC-CSS-DB9-DB9-J1939-CABLE-HJ

MPN: A024

Manufacturer: CSS Electronics ApS

Delivery: Ships within 7-14 business days
Qualifies for Free shipping to the continental US

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Product Information

Product Description

Some heavy-duty vehicles expose two J1939 networks through a single Deutsch 9-pin connector. This adapter lets you tap both at once.

Connect your CAN logger or interface directly to the Deutsch connector and log the primary J1939 network on Channel 1 and the secondary network — J1939 or ISOBUS — on Channel 2. One cable, two channels, one log file.

Available in two pinout variants to match your vehicle's wiring:

  • H+J — accesses the secondary network via pins H (CAN-H) and J (CAN-L). 
  • F+G — accesses the secondary network via pins F (CAN-H) and G (CAN-L).

The Type II connector is backward-compatible with both black (Type I) and green (Type II) Deutsch connectors, so it works across a mixed fleet without adapters.

Note: We primarily recommend using a J1939-DB9/DB9 adapter cable if you know that there is a secondary J1939 network available - and if you know that you'll need data from it. In most use cases, a standard J1939 adapter cable will be sufficient to give you access to the necessary data. 


Adapter pinout: J1939-DB9/DB9 (H+J)

H+J pinout for channel 1 and channel 2
J1939 Function DB9 - CH1 DB9 - CH2
A GND 3 N/C
B VCC 9 N/C
C CAN-H CH1 7 N/C
D CAN-L CH1 2 N/C
E N/C N/C
F N/C N/C
G N/C N/C
H CAN-H CH2 N/C 7
J CAN-L CH2 N/C 2


Adapter pinout: J1939-DB9/DB9 (F+G)

F+G pinout for channel 1 and 2


J1939 Function DB9 - CH1 DB9 - CH2
A GND 3 N/C
B VCC 9 N/C
C CAN-H CH1 7 N/C
D CAN-L CH1 2 N/C
E N/C N/C
F CAN-H CH2 N/C 7
G CAN-L CH2 N/C 2
H N/C N/C
J N/C N/C


Order Options

SKU Pin Access Manufacturer Part # (MPN)
GC-CSS-DB9-DB9-J1939-CABLE-HJ H + J A024
GC-CSS-DB9-DB9-J1939-CABLE-FG F + G  A025

Features

  • Logs 2 x J1939 / ISOBUS networks simultaneously via a single Deutsch 9-pin connector
  • Two variants: H+J (pins H/J) and F+G (pins F/G) to match different OEM pinouts
  • Type II connector — compatible with both black Type I and green Type II Deutsch connectors
  • DB9 pinout in accordance with CiA 303-1
  • Rugged 150 cm cable with overmolded DB9 connectors
  • 22 AWG (0.50 mm²) cable thickness
  • Operating temperature: -20°C to +80°C (-4°F to +176°F)
  • Weight: 320 g (11.288 oz)
  • Color: Black
  • RoHS compliant, tested in Denmark

Specifications

Cable length

150 cm (59 inches)

Cable Thickness

22 AWG (0.50 mm2)

Connectors

2 x 9-pin D-sub (DB9) female to J1939 9-pin deutsch connector

Type

Type II (compatible with both black Type I and green Type II connectors)

Operating temperature

-20°C to +80°C (-4°F to +176°F)

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