CHAPTER 3 NDA-24296

Page 334

Revision 1.0
PA-16LCBW
Line Circuit

PA-16LCBW

Line Circuit
1. General Function

The PA-16LCBW circuit card provides an interface between a maximum of 16 analog voice terminals and

the system with a range of 1200 inclusive of terminal resistance. This card also can send Stutter Dial

Tone, which is not a continuous tone, to an associated terminal which has no Message Waiting Lamp

(MWL) instead of activating the MWL if required. In addition momentary open/reverse battery function is

provided for 16 channels on this card. This is a -48V card.

Figure 3-78 L ocation of PA-16LCBW (LC) within the System

max. 1200 []
COT
INT SW
GT I/O Local Bus
(PA-16LCBW)
C. O. line
Loop Resistance: Max. 1200 [] (inclusive of
terminal Resistance)
Open Function: x 15 circuits
Reverse / Open Function: x 1 circuit (selectable)
Stutter Dial Tone/Message Waiting Lamp (selectable)
Encoding Law: µ-law
PUBLIC
NETWORK
Analog Terminal
CPU
LC