Installation & Maintenance Manual 6. Cabling the Mediant 1000B PSTN Gateway
Version 6.8 41 Microsoft Lync Server
6.2 Connecting to LAN with Port-Pair Redundancy
The LAN ports are provided on the CRMX and SWX LAN Expansion modules. These ports
operate in pairs (groups) to provide LAN port 1+1 redundancy, where one port is active,
while the other port is standby. When the active port fails, the device switches to the
standby LAN port. If your deployment requires additional ethernet ports, you can order the
optional SWX module, which provides four Ethernet ports.
Note: The SWX module is an optional customer orderable item.
The figure below shows the LAN port-pair groups and the name of the ports and groups as
displayed in the Web interface for configuring the port groups and assigning them to IP
network interfaces (refer to the User's Manual for more information):
Figure 6-2: LAN Port-Pair Groups and Web Interface String Names
An RJ-45 cable connector with the following pinouts is used:
Figure 6-3: RJ-45 Connector Pinouts for LAN
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