Connector P1 Connector P2
2 -
3 +
4 +
5 ACC
Connection
A 5-pin M12 DC power terminal is connected as follows:
l The M12 connector at the P1 end is connected to the power jack on a router.
l The bare wires at P2 other end are connected to power sources on the vehicle.
Ordering Information
None
6.2.10 4-Pin M12 DC Power Terminal
Description
A 4-pin M12 DC power cable connects to the power socket of a router at one end and
connects to the P2 or P3 connector at the other end.
Appearance and Structure
Figure 6-15 shows the structure of a 4-pin M12 DC power terminal.
Figure 6-15 Structure of a 4-pin M12 DC power terminal
1
2
4
3
2-GREEN ACC（-） 3-RED ACC（+）
1-BLACK（-） 4-WHITE（+）
1
1
2
2
P1
P2
P3
Pin Assignments
A 4-pin M12 DC power terminal can connect to an AR511GW-LM7 and AR503GW-LM7.
The pin assignments vary according to the connected router.
Table 6-29 lists the pin assignments of a power cable for the AR511GW-LM7.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
6 Cables
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 661
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