CHAPTER 3 NDA-24296
Page 244
Revision 1.0
PA-8COTBJ
Central Office Trunk
PA-8COTBJ
Central Office Trunk
1. General Function
The PA-8COTBJ (8COT) circuit card provides an interface between a maximum of 8C.O. lines and the
system. And this card also provides the caller ID service. Depending upon keys setting of this card, the first
circuit on this card can be used as an interface for Paging Equipment. In this instance, the second circuit is
also used for the purpose of activating the Paging Equipment. Example of the Paging Equipment and Caller
ID service are illustrated below. In addition, the appropriate value of Terminal Impedance and Balancing
Network (BNW) can be selected by key setting.
Figure 3-38 Location of PA-8COTBJ (8COT) Card within the System
2. Mounting Location/Condition
The PA-8COTBJ (8COT) card can be mounted in any universal slot as shown below.
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
This diagram shows an example where this card is used as both a PGT and COTs.
Terminal
INT
"555-1234"
Attendant
Console
ATI
SW
INT
COT
circuit 1
circuit 2
circuit 7
circuit 8
PA-8COTBJ
MDF
Speech Line
Control Line
G
"555-1234"
PAGING
EQUIPMENT
To Battery
PUBLIC
NETWORK
"555-1234"
Terminal
Local I/O Bus
MODEM
GT
CPU
MODEM
COT
PGT
PGT
PIM
Mounting Module
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