User Manual

Alarm and Span Line Cable Pin/Signal Information

68P09255A57-2

Aug 2002

SC4812ET Optimization/ATP Manual Software Release R16.1.x.x

PRELIMINARY

3-12

T1/E1 Span Isolation

Table 3-2 describes the action required for span isolation.

Isolate BTS from T1/E1 Spans

NOTE

At active sites, the OMC/CBSC must disable the BTS and place

it out of service (OOS). DO NOT remove the span surge

protectors until the OMC/CBSC has disabled the BTS.

Table 3-2: T1/E1 Span Isolation

Step Action

1 The OMC/CBSC must disable the BTS and place it OOS.

The Span Lines can be disabled by removing the surge protectors on the 50-pin punch block. Using

Table 3-1 locate the span or spans which need to be disabled and remove the respective surge

protector.

NOTE

If a third party is used for span connectivity, the third party must be informed before disabling the span

line.