Survivable Branch Appliance
AudioCodes Enhanced Media Gateway 28 Document #: LTRT-18206
2.1.2.3 Connecting to the LAN
The device's CRMX/CMX module provides 10/100/1000Base-T Gigabit Ethernet RJ-45 ports for
connection to the Local Area Network (LAN).
¾ To connect the device to the LAN:
Using a straight-through RJ-45 Ethernet Cat 6 or Cat 5e (two-pair Category 5 UTP) cable,
connect the CRMX/CMX module's LAN port/s to the LAN (e.g., PC or switch).
The RJ-45 connector pinouts are shown in the figure below:
Figure 2-16: RJ-45 Connector Pinouts
2.1.2.4 Connecting to FXS/FXO Interfaces
The procedure below describes the cabling of the device's FXS and FXO module analog
interfaces.
Warnings:
• To protect against electrical shock and fire, use a 26 AWG min wire to connect FXO
ports to the PSTN.
• Ensure that FXS and FXO ports are connected to the appropriate, external devices;
otherwise, damage to the device can occur.
¾ To connect the FXS /FXO interfaces:
Using the device's RJ-11 connectors on the FXS/FXO module, connect the device to the
required telephone interfaces:
• FXS: connect the FXS module's ports to fax machines, modems, and/or telephones.
• FXO: connect the FXO module's ports to telephone exchange analog lines or PBX
extensions.
The RJ-11 connector pinouts are shown in the figure below:
Figure 2-17: RJ-11 Connector Pinouts
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