Functional - Nortel Meridian 1 Option 11C Compact Technical Reference Manual

Page 94 of 136 Chapter 9 — NTMW05 Digital Line Card

Functional

553-3121-100 Standard 2.0
The digital line card is equipped with 24 voice ports (units 0 through 23),
eight of which are integrated data ports (units 24 through 31 associated with
units 8 through 15). Each unit provides a multiplexed voice and signaling path
to and from digital apparatus over a 2-wire full duplex 512 kHz time
compression multiplexed (TCM) digital link. The integrated ports include
data capabilities.
The digital line card contains a microprocessor that provides the following
functions:
• self-identification
• self-test
• control of card operation
• status report to the controller
• maintenance diagnostics
September 1998