Procedure 18 Install A Clock Controller For Half Group And Single Group Systems - Nortel 1000 Installation And Commissioning Manual

Start the Clock Controller
The clock controller, when first enabled, is in free run mode. It stays in this
mode for several minutes before being switched to tracking mode. Manual
mode setting is possible using LD 60.
All clock controllers begin tracking within approximately 15 minutes.
Clock Controller commands
During the installation procedure you will use some of the clock controller
commands available in LD 39 and LD 60. Refer to Software Input Output
Reference — Maintenance (NN43001-711).
LD 39 commands with the NTRB53 Clock Controller
Command
DIS SCG x
ENL SCG x
SCLK
STAT SCG x
Install or replace a Clock Controller on a Half Group and Single Group
system
Procedure 18 "Install a clock controller for Half Group and Single Group
Systems." (page 171)
Group and Single Group systems.
Procedure 18
Install a clock controller for Half Group and Single Group Systems.
Step
1
2
3
Copyright © 2003-2007, Nortel Networks
.
Note: Switches 7 and 8 are not used.
Description
Disable SCG card x (0 or 1).
Not applicable for NTRB53 Clock Controller. Use LD 60 instead.
Enable SCG x (0 or 1).
Not applicable for NTRB53 Clock Controller. Use LD 60 instead.
Switch clock to other SCG.
Functions with NTRB53 Clock Controller
Print status of SCG x (0 or 1).
Prints normal status of NTRB53 (not full status)
outlines the steps to install a clock controller on Half
Action
Unpack and inspect the circuit card.
Determine the cabinet and shelf location. Refer to
Controller shelves and slots" (page
Set the clock controller switch. Refer to
switch settings for QPC471 vintage H" (page
Controller switch settings for QPC775" (page
"Clock Controller switch settings for NTRB53" (page
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Installation procedures 171
Table 64 "Clock
169).
Table 65 "Clock Controller
169), Table 66 "Clock
170), or Table 67
170).