48
V7122 GatewayUser Guide
With RJ-48c Connectors:
1
Connect the E1/T1 trunk cables to the ports labeled ’Trunks 1 to 8’ (in the case of the 8-
trunk device) on the RTM.
2
Connect the other ends of the Trunk cables to the PBX/PSTN switch.
RJ-48c trunk connectors are wired according to
Figure 14.
Figure 14
Pinout of RJ-48c Trunk Connectors
1 2 3 4 5 6 7 8
3, 6, 7, 8
not connected
body = shield
1 = Rx Ring
2 = Rx Tip
4 = Tx Ring
5 = Tx Tip
RJ-48c Connector and Pinout
Installing the Ethernet Connection
Connect a standard Category 5 network cable to the Ethernet RJ-45 port (and the other as
optional redundancy/backup). Connect the other end of the Category 5 network cables to
your IP network. The Ethernet connectors (labeled Ethernet 1 and Ethernet 2) are wired
according to
Figure 15
.
When assigning an IP address to the gateway using HTTP (under
7
Step 1
in
Assigning an IP
Address Using HTTP
), you may be required to disconnect this cable and re-cable it
differently.
Figure 15
Pinout of RJ-45 Connectors
1 2 3 4 5 6 7 8
RJ-45 LAN Connector and Pinout
4, 5, 7, 8
not connected
1 = Tx+
2 = Tx-
3 = Rx+
6 = Rx-
For redundant operation it is recommended to connect each of the Ethernet
connectors to a different switch.
Connecting the RS-232 Port to Your PC
Using a standard RS-232 straight cable (not a cross-over cable) with DB-9 connectors,
connect the RS-232 port to either COM1 or COM2 RS-232 communication port on your PC.
The required connector pinout and gender are shown in
Figure 16.
For information on establishing a serial communications link with the gateway, see
Establishing a Serial Communications Link with the V7122
.
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