User guide

116
Line Concentrating Array (LCA) LCM Unit 0 shelf
Note:
Unit 0 serves even line subgroups and unit 1 serves odd subgroups.
Line Concentrating Array ISDN (LCAI) LCME
Unit 0 shelf (NTBX31BA)
Note: Unit 0 serves line subgroups 0-7 and unit 1 serves subgroups 8-15.
Note:
The BX35 Digroup Controller Card 1 (DCC-1) is used by the
LCME in a “takeover” state to address the mate unit subgroups.
Note:
The NTBX31BA shelf is enhanced with respect to the NTBX31AC
because each Line Dwr. can contain up to 12 additional line cards.
Note: Shelves NTBX31AA and AC have a NT6X53BA equipped in slot
25 and a NT6X53EA in slot 22.
Note:
A Universal Edge IMAS can be installed in a vacant LCM drawer
position. The assembly houses three card slots: Two interchangeable
LC slots for a mix of: 40-port card for full-rate Discrete Multi-Tone
(DMT) ADSL or G.Lite delivery; 64-port for SDSL.
Note: For further description of the following LCM and LCME Line Con-
centrating Array (LCA) packs, see the “Circuit Pack Description”
within this QRG or see NTP 297-8991-805.
6X05 — Line Drawer BX32 — LCME Line Drawer
6X51
— LCM Processor
BX34
— ISDN LCME Processor
6X52 — Digroup Controller BX35 — ISDN LCM Digroug Contr
6X53 — Power Converter BX36 — ISDN LCME BIC
*6X54 —Bus Interface Card (BIC) BX72 — ISDN Bat. & Ring’g Router
**EX54 — Data BIC (1-Meg Modem)
*Note: The 6X54 BIC is located within the Line Drawer. For a location,
see the LCM and LCME Line Drawer diagrams within this QRG.
**Note:
The NTEX54 DBIC card replaces the NT6X54 BIC when 1-Meg
Modem service is implemented. The NTEX54BAAB, BAAC,
and BAAD cards are for Phase 2B. (see NTP 297-8063-200,
1-Meg Modem Service Implementation Guide).
The following are examples
of assignable cards within a Line Drawer:
NT6X17AA
— Standard Line Card Type A (MD’d)
NT6X17AB
— Standard Line Card Type A (MD’d)
NT6X17AC/BA
— World Line Card Type A
NT6X18AA
— Standard Line Card Type B without +48V
NT6X18AB
— Standard Line Card Type B with +48V
NT6X18BA
— World Line Card Type B
NT6X19AA
— Messaging Waiting Card Type E
NT6X20AA
— Message Waiting Converter
NT6X21AA — EBS P-phone Line Card Type C
NT6X21AD — EBS P-phone Line Card
Note: See “DIP Switch Settings for the NT6X21AD Card” within this
QRG or go to NTP 297-8991-805, Hardware Reference Manual
NT6X23AA — Power Converter (+48)
NTBX26AA — ISDN S/T Line Card
NTBX27AA — 2B1Q U-interface ISDN Line Card
NT6X71AA/AB — Standard Data Line Card Type D
NT6X76AA — Asynchronous Interface Line Card
NT6X99AA — IBERT (2-slot) Card
*
NTEX17CA — Hi density 2-slot xDSL 1-Meg Modem line card
*
NTEX17DA — DA card for RLCM/STAR; use with NTEX54CA
DBIC card.
*Note: See NTP 297-8063-200, 1-Meg Modem Service Implementation
Guide. The NTEX17AA and BA cards are MD as of 3/01.
6
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6X05
LINE
DRAWER
0
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6X05
LINE
DRAWER
1
03
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02
6X05
LINE
DRAWER
2
05
LSG
04
6X05
LINE
DRAWER
3
07
LSG
06
6X05
LINE
DRAWER
4
09
LSG
08
BX32
LINE
DRAWER
0
01
LSG
00
BX32
LINE
DRAWER
1
03
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02
BX32
LINE
DRAWER
2
05
LSG
04
BX32
LINE
DRAWER
3
07
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06
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