Nortel DMS-100 Series Maintenance Manual page 166

3-6 ESA maintenance overview
OPAC with ESA hardware block diagram
0
DS-1 interface
card (6X50)
0
Link control card (LCC)
6X73
Intraswitching
channels
DS30A links
HIE shelf
OPAC
LCM
320 subscribers
297-8211-550 Standard 05.01 August 1999
Computing module
Line trunk controller (LTC)
2
4
DS-1 interface
card (6X50)
2
4
Interswitching
channels
ESA tone and clock card
6X75
ESA processor card
MX45
RMM
Link sharing
Port channels
Unit 0
5
3
DS-1 interface
card (6X50)
5
3
Link control card (LCC)
6X73
Intraswitching
channels
DS30A links
Unit 1
320 subscribers
DS-1 links
1
1