Meridian America 21 Manual De Usuario

This practice outlines the functions, interconnections, characteristics

and operation of the SL-1 Business Communications System, SL-1 Line
and Console Line circuit packs. The information is intended to be used
as a guide when designing or engineering the connection of apparatus to

the line circuit.

1.02 The information in this practice applies to the following packs:

l 

QPC451 SL-1 Line 

l 

QPC520 SL-1 Line (A-Law)

l 

QPC518 Console Line 

 

 by the 

l 

QPC519 Console Line (A-Law).

1.03 The four packs 

 identical circuit boards but are configured for

their respective operation. The SL-1 line packs can each interface to up
to eight SL-1 sets. The console line packs can interface to two attendant
consoles. The QPC451 SL-1 line pack can be used for four attendant-
consoles without console power or two attendant consoles with console
power.

.