Nortel Meridian 1 Manual page 41

Flexible analog line circuit card
Functional description
Common features
Physical description
Intelligent peripheral equipment circuit cards for New Zealand
The NT5K02LB Flexible analog line card with message waiting provides an
interface for up to 16 analog (500/2500-type) telephones lines. It can be
installed in slots 1-9 in the main cabinet and in any slot in the expansion
cabinet.
The NT5K02LB Flexible Analog line card provides the following features:
• analog to digital and digital to analog conversion for 16 analog
telephone lines
software selectable A-Law or µ-Law companding
•
• telephone on-hook and off-hook detection
• ground button detection
• relay for connecting an ac ringer
• variable loop current to allow automatic gain compensation
according to loop length
• card-identification for auto configuration
• flashing high voltage 1 Hz message waiting signal.
Switch settings
There are no option switches on the Flexible Analog line card. All settings
are configured in software.
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Option 11 - Description and Instal-