Common Features; Trunk Circuit Features - Northern Telecom NT5K17 Description

3-2 NT5K19 Analog Tie Trunk Card

Common features

Trunk circuit features

553-3001-173 UK Trunk cards description
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Note: Type I signalling uses two signalling wires plus ground.
The NT5K19 Analog Tie trunk card:
• converts transmission signals from analog-to-digital and from digital-
to-analog
• enables and disables individual ports or the entire card under software
control
• provides outpulsing on the card. Make break ratios are defined in
software and down loaded during power up and by software
commands.
• provides indication of card status from self-test diagnostics on
faceplate Light Emitting Diode (LED)
• allows trunk type to be configured on a per port basis in software
• provides termination against 600 ohms for 4-wire E&M trunk circuits
• provides termination and transhybrid balance matching against the UK
three component complex impedance network for 2-wire E&M trunk
circuits
• provides termination against 600 ohms for AC15 trunk circuits
• provides for loss pads appropriate to low loss lines or point-to-point
lines on 4-wire E&M and AC15 connections
• provides a Paging, Recorded Announcement, Emergency Recorder,
and Music interface.
Each NT5K19 trunk circuit is capable of providing the following:
• 2-wire and 4-wire E&M Type 1 trunk (DC5-A) operation
• 2280 Hz Tie trunk (AC15-A) operation
• Paging access
• Recorded Announcement access