Connecting The Router - Huawei AR-Sc Series Quick Start Manual

Connecting the Router

WARNING
To avoid electric shock, do not connect power cables while the power is on.
Do not power on the router before you finish connecting and arranging cables.
Note
An LTE remote antenna is delivered with the router. Connect it to the LTE MAIN
interface of the router.
For other interfaces, make cables onsite using self-provided terminals. The following
tables provide pin assignments of different interfaces.
The FXS interface cannot connect to a PSTN network and is only used for internal.
Power socket pin assignments
1
Pin Signal Type
1
2
3 TX
4 RX
FXS interface pin assignments
1 2
Pin Signal Type
1
2
4
+
-
a
b
USB interface pin assignments
Pin
1
2
3
4
RS485 interface pin assignments
Pin
1
2
3
9
1 4
Signal Type
VBUS
D-
D+
GND
1 3
Signal Type
RS485 a
RS485 b
C_GND