Electrical Specifications - Nortel Circuit Card Installation Manual

Page 536 of 906
Circuit power

Electrical specifications

553-3001-211 Standard 3.00
NT8D02 and NTDK16 Digital Line cards
the sanity timer every 1.2 seconds. If the timer is not properly serviced, it
times out and causes the microcontroller to be hardware reset.
The +15 V dc input is regulated down to +10 V dc for use by the digital line
interface circuits. The ±15.0 V dc inputs to the card are used to power the loop
interface circuits.
This section lists the electrical characteristics of the NT8D02 Digital Line
card.
August 2005