Nortel Enterprise 1000 Reference Manual page 107

Figure 38
Paging trunk operation
Succession CSE 1000
Succession
Media Gateway
NT8D15
E&M Slot 1
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
Card LAN
The card LAN provides a serial communication link for transferring
maintenance data and control signals between the trunk card and the SSC
card. The card LAN controls the microcontroller. The following functions are
supported:
• providing card ID/RLS
• reporting self-test status
• enabling/disabling of the DS-30X link
NT8D15 E&M Trunk Card
K1
Bat
MDF
K1
K1
Page 107 of 236
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