DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115 Issue 1
April 2000
Adding or Removing Cabinet Hardware
6-36Remove an EPN Cabinet from an Existing System
6
All Installations
1. When the system reset is finished, type status port-network 2 and press
Enter. The Port Network Status screen ap pears. Verify that PNC Active is
“up” and that the Service State is “in.”
2. A Span LED, on the front of t he DS1 Converter circuit pack, must be off for
each inactive facility a dministered. For example, if Facility A a nd Facility B
are unadministered, then the top 2 Spa n LEDs on the circuit pack must b e
off. If the yellow LEDs are on, then problems were encountered during the
unadministration of hardware. Span LEDs associated with administered
facilities (C and D, in this examp le) should be on.
Removing the Hardware
1. Be sure that you have unadministered the trunk s, attendant consoles,
voice terminals, and d ata modules associated with the port circu it packs
in the EPN cabinet.
2. Remove the fiber optic cab les from the fiber transceivers at b oth ends of
the fiber span. Carefully coil the fiber optic c ables. Avoid bend ing cables
to a radius smaller than 1.5 inches (3.8 c m).
3. Remove the fiber transceivers from the DS1 and/or DS1 conver ter circuit
packs at both end s of each fiber span.
4. Remove the 25-pair cables from the c onnector panel on eac h carrier of
the EPN.
5. Type remove cabinet <number> and press Enter. This removes the EPN
cabinet administration.
6. Remove the power cords from the power un its in each carrier in the EPN
and remove the AC power cord or DC p ower wires.
7. Check the grounding scheme for the cabine ts. Perform the following:
a. If any cabinet ground wires connect in

series

between the EPN
cabinet and any other c abinet, remove the wires from the EPN
cabinet and c onnect them to the next cab inet in the ground plane.
!CAUTION:

Never leave cabinets unground ed. When a ground wire is

removed from a series-connected cabinet, the g round plane

becomes open with resp ect to all subseque nt cabinets.

b. If any cabinet g round wires connect in

parallel

to other cabinets, or
connect directly to the AC power panel ground or other approved
ground, remove the wire from each end of the ground span.
8. Carefully remove the EPN cabinet. The cabinet may weigh as muc h as
800 pounds. Use caution.