Huawei AR-Sc Series Quick Start Manual page 11

CAN interface pin assignments
1
Pin Signal Type
CAN_L
1
CAN_H
2
3
RS232 interface pin assignments
1
Pin Signal Type
1
2
3
4
5
6
Connecting the Router to a UPS
Note
The AR-Sc and AR-Se series routers support AR-PM1 UPS power supplies.
The AR-Se-MC, AR-So and AR-Sa series routers support AR-PM4 UPS power supplies.
The routers are connected to a UPS in the same way. The following example connects an
AR-Sc-Lc-BC router to an AR-PM1 UPS.
3
NC
6
COM
RX
TX
NC
RTS
CTS
DI/DO interface pin assignments
1
Pin
1
2
3
4
Eth interface pin assignments
1
Pin
1
2
3
4
5
6
7
8
10
4
Signal Type
DI+
DI-
DO+
DO-
8
Signal Type
TX+
TX-
RX+
NC
NC
RX-
NC
NC