User guide

93
Input/Output Controller (IOC) shelf (NT1X61) (MD)
Note: The MD’d IOC has bee replaced with the IOM
Note: For further description of the following IOC packs, see the “Circuit
Pack Description” within this QRG or see NTP 297-8991-805.
0X67 — I/O Controller Terminator 2X70 — Power Converter
1X62 — I/O Message Processor
Optional IOC Cards (Replaced with IOM Cards)
1X55 — Disk Drive Unit (DDU) Controller (takes two slots)
1X67 — Terminal Controller
1X68 — MTD Controller Billing Media Converter (BMC)
1X89
— Multi-Protocol Controller (MPC)
6X91 — Mobile Telephone Exchange Link Controller
Digital Carrier Module (DCM) shelf (NT2X31)
Note: For further description of the following DCM packs, see the “Cir-
cuit Pack Description” within this QRG or see NTP 297-8991-805.
2X32
— Master Processor
2X36
— Network Interface
2X33 — Control or Processor 2X37 — Tone
2X34 — Supv. or Processor 2X38 — Signalling & Timing
2X35 —DS1 Line 2X70 — Power Converter
Note:
Some vintages of the DCM NT2X31 shelves may be equipped
with both the NT2X06 and NT2X07 Power Converters.
Note: The type of NT2X38AA thru AE cards is dependent upon the
application of the DCM (i.e., NT2X38AC for ENET)
Trunk Module (TM8) shelf (NT2X52)
Note: For further description of the following TM8 packs, see the “Circuit
Pack Description” within this QRG or see NTP 297-8991-805.
0X70 — TM Processor 2X53 —TM Control
2X09 — Mult. Power Converter 2X37 — Group Codec
2X45 — TM Network Interface 0X50 — Filler
Note: See NTP 297-8991-103, Engineering Manuals (Being canceled) and
EMA 14-01-000 Tables A3 thru A4 for trunk cards located in slots
05 thru 19. Also see NTP 297-1001-152, Trunk Selection and Com-
patibility Reference for other supporting information.
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