User's Manual Part 3

RF Filter Tray
MAY 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-55
PRELIMINARY
Introduction
The procedures in this section cover only the removal and installation of
the RF Filter Tray.
System Impact/Considerations
If either of the filters on the tray is failing or has failed there will be an
interruption in call processing. The entire site will be down for
replacement of this component.
Required Items
Documents
None
Tools
Screwdriver with T20 star bit
Replacement Items
S 800 MHz Filter Kit – 0 cCLPA (SGLF4152)
S 800 MHz Filter Kit – 1 cCLPA (SGLN6223)
S 800 MHz Filter Kit – 2 cCLPA (SGLN6222)
Prerequisite
Coordinate this repair task with the OMC–R operator.
IMPORTANT
*
Contact the OMC–R operator before performing the replacement
procedure. Tell the operator that the Filter Tray will be replaced and that
alarms can be expected.
Upon completion of the replacement procedure, have the OMC–R
operator verify that old alarms are cleared and that no new ones are
reported.
Replacement Procedure
If desired, record the BTS and Filter Tray serial number of the failed unit
in Table 9-66 at the end of this chapter.
If the BTS is in an outdoor configuration, perform Table 9-51, Remove
TME. The BTS removal is embedded in the procedure.
Remove Filter Tray
Follow the procedure in Table 9-30 to remove the Filter Tray.
9