Nortel Networks NN43001-301 - Manual (Page 155)

155
Clock Controller description and
installation
Contents
The section contains information on the following topics:
"Introduction" (page 156)
"Description" (page 156)
"Need for synchronization" (page 156)
"Supported Clock Controllers" (page 157)
"Synchronization methods" (page 158)
"Hierarchical synchronization" (page 159)
"Stratum levels" (page 160)
"Frame slip" (page 160)
"Guidelines" (page 161)
"Modes of operation" (page 167)
"Small System Clock Controller daughterboard" (page 168)
"Installation procedures" (page 168)
"Determine slots and shelves" (page 168)
"Set switches" (page 169)
"Start the Clock Controller" (page 171)
"Clock Controller commands" (page 171)
"Install or replace a Clock Controller on a Half Group and Single Group
system" (page 171)
"Install or replace a Clock Controller on a Single Group and Multi Group
System" (page 173)
"Upgrade to an NTRB53 Clock Controller on a Single Group and Multi Group
System" (page 175)
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.