Nortel DMS-100 Series Maintenance Manual page 63

Figure 2-19 Telephony subsystem
Power converter and
ringing generator
SMC
LMU
CONV LMU SMC
Insrvc
Sync0
Power
OK
Sync1
MAJ
CRIT
NTTR72AA NTTR71AA NTTR70AA
dc panel
Fan0
Fan1 DS1/E1
Rectifier or Ext Battery
Local Battery
64 line cards
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
0
1
Main
Dc
Service
DMS-100 Family NA100 Star Remote System XPM15 and up
Star Remote System hardware 2-43
2
3
MDF1 MDF2 MDF3 MDF4 MDF5 MDF6MDF7
Upper
LSG
Lower
LSG
EMI
filters
MDF