Installing The 808A Emergency Transfer Panel - Avaya S8500 Manual

Installing and wiring telephones and trunks
Figure 100: 808A Emergency Transfer Panel mounting
Figure notes
1 808A Emergency Transfer Panel
2 Ear for Screw Mount
3 Cut-Out for Snap Mount

Installing the 808A Emergency Transfer Panel

1
Verify dial tone is present at each trunk circuit.
2
Locate the circuit start selection switches (see
page 259).
These are the first 10 two-position switches on the left side of the Emergency Transfer Panel.
They are used to set each of the five incoming trunk lines to either loop start or ground start. Two
switches are used for each circuit; switches 1 and 2 are used for circuit 1, switches 3 and 4 are
used for circuit 2, and so forth. See
3
For loop start, set the switches to the left. For ground start, set the switches to the right.
4
Connect a 25-pair cable between the male RJ21 25-pair connector on the Emergency Transfer
Panel and the yellow field of the MDF.
262 shows the pinouts.
5
Make cross-connections for each emergency trunk/emergency station pair.
The 808A is connected to the MDF by means of a B25A cable.
telephone used for emergency transfer,
field for a telephone used only for emergency transfer.
Figure 102, Connections for telephone used for emergency transfer and as normal extension,
page 264 shows the connections at the trunk/auxiliary field for a telephone used for emergency
transfer as well as a normal extension.
260
NOTE:
The 808A must be installed in a location that can be accessed only by authorized
personnel. The location must meet standard environmental considerations such as
temperature, humidity, and so forth.
Installing the Avaya S8500 Media Server with an Avaya G650 Media Gateway
4 25-Pair Male Connector
5 Circuit Start Switches
Figure 99, 808A Emergency Transfer Panel,
Table 34, Trunk/test switches,
Table 35, Pin assignments for 25-pair connector,
on page 263 shows the connections at the trunk/auxiliary
808a_em LJK 042396
on page 261.
Figure 101, Connections for
December 2003
on
on page
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