User's Manual

Hardware Installation Guide Network Cabling
02030311-10 Airspan Networks Inc. 14-13
14.2.3. Connecting to VoIP Network
The SDA-4S/1H3L and SDA-4S/VL/1H3L models' left-most RJ-45 Ethernet ports
are used to interface with the subscriber's VoIP network. This port assigns highest
priority level (compared to the other RJ-45 ports) to VoIP traffic.
The cable connections for connecting the SDA-4S/1H3L and SDA-4S/VL/1H3L
models to the subscriber's VoIP network are as follows:
 Connector: 8-pin RJ-45 male
 Cable: straight-through or crossover
 Connector pinouts:
8-pin RJ-45
(left-most port)
Pin Function
1 +Rx
2 -Rx
3 +Tx
6 -Tx
Note: Pins not mentioned are not used.
To connect to the VoIP network (see Figure 14-7):
1. Connect the RJ-45 male connector, at one end of the Ethernet cable, to the
left-most RJ-45 port on the front panel of the SDA-4S/1H3L and SDA-
4S/VL/1H3L.
2. Connect the RJ-45 male connector, at the other end of the cable, to the VoIP
network, for example, to a Residential Gateway.