Nortel Enterprise 1000 Reference Manual page 131

Figure 46
Paging trunk operation
Succession CSE 1000
Succession
Media Gateway
NT8D15
Slot 1
E&M
Trunk Card
0T
0R
Unit 0
0A
0PG
Unit 1
Unit 3
Succession Communication Server for Enterprise 1000 Circuit Card Reference Guide
Cross
connect
Module
I/O Panel
Connector
A
(W-BL)
26
Audio
(BL-W)
pair
1
(W-O)
27
Signal
(O-W)
pair
2
Part of
25-pair
cable
NT8D15 E&M Trunk Card
K1
Bat
MDF
K1
K1
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Typical customer-
provided external
equipment
Tape
Micro-
recorder,
phone
radio, etc.
K2 K3
K2 K3
Amplifier Speaker
K2
Bat
Bat
K3
Microphone
contacts
553-CSE6261