System Dti Maintenance Tools - Nortel Communication Server 1000S Maintenance Manual

Page 168 of 210

System DTI maintenance tools

553-3001-517 Standard 2.00
2.0 Mb DTI maintenance
Table 48
NTAK10 faceplate LEDs (Part 2 of 2)
LED State
Off
LBK On (Yellow)
Off
CC On (Red)
On (Green)
Flashing
(Green)
Off
The LD 60 tables on page 167 provide DTI and clock controller maintenance
commands.
WARNING
Disable the clock controller before unseating circuit
cards. Otherwise, the system initializes and momentarily
interrupts call processing.
September 2004
Definition
No far-end alarm.
NTAK10 2.0 Mb DTI is in loopback
mode.
NTAK10 2.0 Mb DTI is not in loopback
mode.
The clock controller is switched on and
disabled.
The clock controller is switched on and
either locked to a reference or in free-run
mode.
The clock controller is switched on and
locked onto the primary reference.
The clock controller is switched off.