GW-7238D J1939 to MBTCP Server / MBRTU Slave Gateway User’s Manual (Ver.1.0, Nov. 2011) --- 10
Table 2-2: CAN bus Connector Pin Assignment
Pin No.
Name
Description
1
N/A
Not Connected
2
CAN_L
CAN_L bus line (dominant low)
3
N/A
Not Connected
4
CAN_H
CAN_H bus line (dominant high)
5
N/A
Not Connected
Figure 2-4: CAN bus Connector on the GW-7238D
Note that the bypass CAN bus connector is not another CAN channel.
It is designed for connecting to another CAN device conveniently. The
structure of the inside electronic circuit is displayed as figure 2-5.
Figure 2-5: Electronic circuit of CAN bus connector
2.2.3
Ethernet Connect
The Ethernet (10/100 Base-TX) signals are routed to an RJ45 socket
for easy connection using a standard CAT 3 or CAT 5 network cable. On
power on of the GW-7238D, it will auto-negotiate the network speed and
connection.
