Nortel DMS-100 Series Maintenance Manual page 18

1-6 Maintenance overview
Line concentrating array (LCA) shelf layout
LCA: NT6X04AA
Power
converter
Slot: 01 02
Slot Abbr
01–03
04 LCMP
05 DCC
– –
– LSG
Note: The NT6X51BA processor card contains two banks of flash ROM memory, 4M in
each bank
297-8381-550 Standard 02.02 April 1999
D
L
Odd
C
C
LSG
M C
P
Even
LSG
03 04 05
NT PEC
6X53AA
6X51BA
6X52AA
6X05AA
–
Odd Odd
LSG LSG
Even Even
LSG LSG
Line drawers
Remarks
Power converter. Also contains ringing
and ANI voltage switching circuits.
LCM processor card (see note)
Digroup control card
Line drawer
Line subgroup
Odd Odd
LSG LSG
Even Even
LSG LSG