Survivable Branch Appliance
AudioCodes Enhanced Media Gateway
32
Document #: LTRT-18206
2.2.3
Cabling the Standard Interfaces
This section describes the cabling of the device.
Electrical Earthing
The device must be permanently connected to the earth using the screw provided
on the rear panel. Use 14-16 AWG wire and a proper ring terminal for the earthing.
¾
To cable the device:
1.
Permanently earth (ground) the device (refer to 'Earthing (Grounding) the Device' on page
).
2.
Connect the E1/T1 trunk interfaces (refer to 'Connecting the E1/T1 Trunk Interfaces' on page
).
3.
Connect the Ethernet interface (refer to 'Connecting the Ethernet Interface' on page
).
4.
Connect the power supply (refer to 'Connecting to the Power Supply' on page
).
Once you have completed the above hardware installation steps, after powering-up the device
the
Ready
and
LAN
LEDs on the front panel turn green (after a self-testing period of about three
minutes). Any malfunction changes the
Ready
LED to red.
The cabling method of the device (performed on the rear panel), depends on the number of
supported trunks (and power socket type):
Cabling for 16 trunks and dual AC power:
Figure
2-21: Rear-Panel Cabling for 16 Trunks (Dual AC)
Cabling for eight trunks and DC power:
Figure
2-22: Rear-Panel Cabling for 8 Trunks (DC Power)