DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115 Issue 1
April 2000
Adding or Removing Cabinet Hardware
6-34Remove an EPN Cabinet from an Existing System
6
Remove an EPN Cabinet from an Existing System

All Systems

Before starting the EPN removal process, perfo rm the following:
NOTE:
If you do not disable the TTI, the translations c an be corrupted .
1. Type change system-parameters features and press Enter. Use screen 2
to disable Terminal Translation Initialization (TTI) by changing the setting to
n.
2. Unadminister

all

of the affected trunks, attendant consoles, voice
terminals, and data mod ules associated with the por t circuit pac ks in the
EPN cabinet being removed. These p ort-related translations must be
unadministered before removing any hardware. Refer to

DEFINITY

Enterprise Communications Server Release 8 Administrator’s Guid e

for
more information.

Unadminister Fiber Links (Simplex Systems)

The fiber links routing to and from the EPN cabinet being removed must b e
unadministered before removing
any
hardware from the cabinet.
!CAUTION:

Failure to unadminister fiber links before removing hardware causes

unnecessary alarm reports to INAD S and causes errors that are very

difficult to clear.

The fiber links are administered to matc h hardware and the Fiber Optic Cable
Running List. Fiber link administration creates translation data by identifyin g the
endpoint pairs for eac h link. To properly unadminister the fiber links , this
translation data must be removed .
1. Unadminister the TN570 Expansion Interface and the TN574 or TN1654
DS1 Converter circuit packs. Type change circuit-packs and press Enter.
Scroll through the screens until the carri er containing the circ uit packs is
displayed. Remove the TN570 and the TN574 or TN1654 circ uit packs
from the slot locations on the screen. Press Ente r when finished.
2. Type list fiber and press Enter. All administered fib er connections are
displayed. Make note of whic h fiber links are to be removed .