User's Manual

Table Of Contents
Prepare to Leave the Site
68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
5-4
Re-connect BTS T1 Spans and Integrated Frame Modem
Before leaving the site, connect any T1 span TELCO connectors that
were removed to allow the LMF to control the BTS. Refer to Table 5-3
and Figure 5-1 as required.
Table 5-3: T1/E1 Span/IFM Connections
Step Action
1 Connect the 50-pin TELCO cables to the BTS span I/O board 50-pin TELCO connectors.
2 If used, connect the dial-up modem RS-232 serial cable to the Site I/O board RS-232 9-pin
sub D connector.
NOTE
Verify that you connect both SPAN cables (if removed previously), and the Integrated Frame
Modem (IFM) TELCO connector.
Figure 5-1: Site and Span I/O Boards T1 Span Connections
50-PIN TELCO
CONNECTORS
REMOVED
SPAN A CONNECTOR
(TELCO) INTERFACE
TO SPAN LINES
SPAN B CONNECTOR
(TELCO) INTERFACE
TO SPAN LINES
TOP of Frame
(Site I/O and Span I/O boards)
RS-232 9-PIN SUB D
CONNECTOR SERIAL
PORT FOR EXTERNAL
DIAL UP MODEM
CONNECTION (IF USED)
FW00299
5