Filter
Top Products
Module Problems
1
2
3
4
5
CAUTION:
This section does not apply to the processor or power supply.
Although the system is designed so that you can remove and replace
modules without affecting call processing, partially inserting and
removing a module can cause a cold start.
Adding a 100D module or changing any of its DS1 parameters requires
that the system be idle.
When you replace a module, be sure to use the same module type. For
example, do not put a 008 MLX module in place of a 400 GS/LS module.
If a module is replaced with another type of module, or if a module is
added to the system without powering down the system first, a cold start
occurs.
If you move any module to a different slot, be sure to renumber the
modules by selecting
Board Renumber
from system programming. See
System Programming for information on board renumbering.
To replace a module, follow the steps below.
Busy-out or reset the module, Busy-Out is recommended.
Label all cords (if they are not labeled already) and then unplug them
from the module.
For information on labeling trunk and cords, see Chapter 4 in Installation.
For instructions on checking poorly labeled wiring, see “Checking Unlabeled
Wiring” following Step 8.
Run a demand test by entering test mode.
Remove the module by pushing up firmly on the tab at the bottom rear of
the module and inspect the module for visible damage.
Insert the new module. While holding the tab, bring the bottom of the
module towards you and away from the carrier.
4-58 Control Unit Problems