User guide
113
Digital Trunk Controller (DTC) shelf (NT6X02)
Note: For PCM30, see the International DTC, LTC, and LGC shelves.
Line Trunk/Line Group Controller (LTC/LGC) shelf
Note: See the “XPM Link Configuration” diagram within this QRG for
more details on 6X50, 6X48, and 6X40 links & ports assignments.
Note:
For PCM30, see the International DTC, LTC, and LGC shelves.
ISDN LTCI/LGCI/DTCI
Common Peripheral Controller shelf
Note:
For further description of the following DTC, LTC, LGC, and ISDN
LTCI/DTCI shelf packs, see “Circuit Pack Description” within this
QRG or see NTP 297-8991-805.
AX74 — Processor 6X43 — Message and Tone IF
AX78 — ISDN Enhanced Time Sw. 6X44 —Time Switch
BX01 — Enhanced ISDN SP 6X48 — DS30A LCM Interface
BX02 — Enhanced DCH for ISDN 6X50 — DS1 Interface
MX77 — Unified Processor 6X62 — DMS-250 Tone
Receiver
MX76 — Enhanced Messaging 6X69 — Msg. & Tone Protocol
SX05 — XPM Processor 6X70 — Continuity Tone Det
2X70 — Power Converter 6X78 — CLASS Modem Res
6X40 — DS30 Network Interface 6X79 — Tone Generator
6X41 — Speech Bus Formatter 6X92 — UTR or GTR
6X42 — Channel Supv. Message 0X50 — Filler Pack
Note: For 6X50, 6X48, and 6X40 port and link assignments, see the
LTC/LGC hardware and the “XPM Pack Relationship Diagram” and the
6
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6
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6
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48
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07
0
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08
0
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L
L
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09
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10
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11
M
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or
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0
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or
6
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6
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or
A
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0
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0
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6
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17
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or
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DS30A Links to LCMs
U
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0
Pl
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U
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Pl
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1
Unit 1 Ports
DS30A Links to LCMs
19 15 11 7 3 Unit 0 or 1
Duplicated
DS30A
Links
to LCMs
2 3 Unit 0 or 1
Duplicated
DS30A
Links
to LCMs
01
18 1410 6 2 6 7 4 5
Unit 0 Ports
10 11 8 9
17 13 9 5 1 1415 12 13
16 12 8 4 0 1819 16 17
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P
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