User's Manual

Table Of Contents
Prepare to Leave the Site – continued
FEB 2005 1X SC 4812T Lite BTS Optimization/ATP 5-5
PRELIMINARY
Re–connect BTS T1/E1 Spans
Before leaving the site, connect any T1 or E1 Span Connectors removed
previously to allow the LMF to control the BTS. Refer to Table 5-4 and
Figure 3-2.
Table 5-4: T1 or E1 Spans Re–connection Procedure
n Step Action
1 Re–connect any disconnected Span Connectors to the Span I/O A and B Boards.
2 If equipped, ensure that the CSU is powered ON.
3 Verify Span Status, ensuring that the OMC–R/CBSC can communicate with the BTS.
Final Checks Before Leaving
Site
Make sure all requirements listed in Table 5-5 are completed before
leaving the site.
Table 5-5: Check Before Leaving the Site Procedure
n Step Action
1 For AC Frame only:
Validate the Vtrim Signal Cabling.
2 Ensure that the Battery Voltage is 27 Volts at 25C.
If external batteries are provided by the Customer, ensure that the Customer Circuit Breaker is
closed.
NOTE
A Low Voltage Disconnect must be in series with the external batteries.
3 Verify that no Alarm Conditions are being reported to the CBSC after all Cabinet Doors are
closed.
5