Nortel Passport 15000 Hardware Installation And Maintenance page 82

82 Chapter 4 Alarm/BITS module
Figure 8
Task flow of a timing cable replacement
Cable from timing source
Removing a BITS
cable
Installing a BITS
cable
PP_TASK_1069.ins
241-1501-240 5.2S2
Timing cable
replacement
NTPN81
Removing a
timing cable
adaptor NTPN81
Installing a timing
cable adaptor
NTPN81
Task flow navigation
The following references are listed alphabetically:
• "Installing a BITS cable" (page 388)
• "Installing a timing cable adaptor NTPN81" (page 551)
• "Installing a timing cable DS1 wire-wrap NTHW75" (page 554)
Locking external
timing ports
Identify the cable
assembly that
needs to be replaced
NTHR75
Removing a
timing cable for
E1 unbalanced
NTHR75
Installing a timing
cable for E1
unbalanced
NTHR75
Unlocking external
timing ports
For procedure page
numbers, see
Task flow navigation
below
NTHW75
Removing a
timing cable for
DS1 NTHW75
Installing a timing
cable for DS1
NTHW75
End