Meridian America 61 Manual De Usuario

2.01 All versions of the 

 line packs provide talk battery and

signaling for regular 2-wire common battery 

 (rotary dial),

 

 dial) telephones and key telephone equipment.

The various special versions serve additional purposes as described in
Part 4.

2.02 The line circuit packs mount in a Peripheral Equipment 

 shelf.

The circuits connect with the switching system and with the external
apparatus via an 80-pin connector at the rear of the pack. The pack is
318 mm (12.5 in) in height and 254 mm 

 in) in depth.

2.03 The 80-pin connector plugs into an IO-line bus system on the back
of the PE shelf. These 80 bus lines feed into seven multi-pin

connectors. Seven connectors link the line circuits to the cross-connect
terminal; 

 faceplate connectors on the Peripheral Buffer link the PE

shelves to each other and to the Common Equipment 

 and one

connector feeds power to the PE from the converter shelf.

2.04 Connection to the station apparatus is made at the
cross-connecting terminal, as shown in the following block diagram of

the line circuit connected to a 

 telephone: