Nt5K93 Central Office Trunk Circuit Card; Functional Description - Nortel Meridian 1 Manual

NT5K93 Central office trunk circuit card

Functional description

Trunk types supported
Common features
Intelligent peripheral equipment circuit cards for New Zealand
The NT5K18BA Central Office trunk card provides the interface between the
Option 11 system and up to eight analog Central Office (CO) trunks. It can
be installed in slots 1-9 in the main cabinet and in any slot in the expansion
cabinet.
The Central office trunk card has eight identical units. The trunk type of each
unit is configured independently in the trunk data block (LD 14) as one of the
following:
• Central office - ground start
• Central office - loop start
The NT5K18BA central office card also supports Direct Inward System
Access (DISA).
The NT5K18BA Central office trunk card:
• allows trunk type to be configured on a per unit basis
• provides disabling of individual units or the entire card through
software
• indicates self-test status during an automatic or manual self-test
• converts transmission signals from analog-to-digital and from
digital-to-analog
Option 11 - Description and Instal-
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