Replace front cover on, Restore clock sources (if required), Replace front cover danger – Carrier Access Access Navigator User Manual
Page 425

Access Navigator - Release 1.8
August 2003
16-27
Maintenance
Procedures
Replace Quad T1 Framer Card
Restore Clock Sources (if required)
1. If primary clock source was temporarily moved, restore original clock source with the following
command, where <n> is the DS1 number:
set clock1 ds1 <n>
Example:
set clock1 ds1 25
2. If secondary clock source was temporarily moved, restore original clock source with the following
command, where <n> is the DS1 number:
set clock2 ds1 <n>
Example:
set clock2 ds1 29
3. If either clock source has been moved, verify restored clock source settings with the following
command, where <n> is the DS1 number:
show clock
A message similar to the following will appear.
Primary Master Transmit Clock Source: DS1 12
Secondary Master Transmit Clock Source: INTERNAL
4. End management session by entering following command:
exit
Replace Front Cover
DANGER!
F
IRE
H
AZARD
. S
TANDARDS
UL 1950
AND
C22.2 N
O
. 950.95
REQUIRE
THAT
ALL
ACCESS
COVERS
BE
REPLACED
TO
PREVENT
FIRES
FROM
SPREADING
TO
NEARBY
EQUIPMENT
.
Replace front cover and tighten screws.