Nortel DMS-100 Series Maintenance Manual page 42

1-26 Maintenance overview
Maximum number of calls during ESA
Number of
host links
6
5
4
3
Power converter card
The two HIE power converters, in slots 22 and 25, supply the necessary
shelf voltages (5 V, 12 V) for the HIE shelf.
ESA control complex
If the user selects the ESA feature package, two configurations are possible.
The NT6X45AF based ESA package consists of three pieces of equipment:
The NTMX45AA based ESA package consists of two pieces of equipment.
This package includes an ESA processor that enables duplicate Nxx in ESA
mode and provides firmware downloads. This card has 8 Mbytes of on-card
memory. With this package, the ESA memory card is not needed and slot 14
has a filler plate.
The RLCM link, port, and channel structure appear in the following figure.
297–8351–550 Standard 04.01 August 1999
Intercalls
15
21
27
33
one ESA memory card (NT6X47AC), slot 14
one ESA processor card (NT6X45AF), slot 15
one ESA clock and tone card (NT6X75AA), slot 16
one ESA processor card (NTMX45AA), slot 15
one ESA clock and tone card (NT6X75AA), slot 16
Intracalls
18
24
30
36
Total number of
possible ESA
calls
33
45
57
69