Avaya S8100 User Manual

Install emergency-transfer panel and associated telephones

Install only 1 emergency transfer power panel per system.

An 808A emergency-transfer panel (or equivalent), mounted next to the trunk/auxiliary field, enables 
emergency transfer. See 

 on page 128. Also see 

 on page 115 for the pinout of the AUX (J1) connector. The 

transfer panel provides emergency trunk bypass or power-fail transfer for up to 5 incoming CO trunk 
loops to 5 selected station sets. The 808A equipment’s Ringer Equivalency Number (REN) is 1.0 Amp.

Use analog telephones for emergency transfer. The 500- and 2500-series telephones can also be used as 
normal extensions. Emergency transfer capability may be provided on analog CO and Wide Area 
Telecommunications Service (WATS) trunks.

At the MDF, the unit is controlled by a connection to a yellow terminal row/connecting block in the 
trunk/auxiliary field. The unit is controlled by -48 VDC from the EM TRANS RELAY PWR terminals.

To install an 808A emergency-transfer panel:

Install the transfer panel on any mounting frame in either a vertical or horizontal position. The 
housing has ears for screw-mounting and cutouts for snap-mounting the unit in an 89-type 
mounting bracket.

Install the panel so it can be accessed only by authorized personnel. The location must 
meet standard environmental considerations such as temperature and humidity.

Verify that dial tone is present at each trunk circuit.