A SERVICE OF

logo

DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Additional Maintenance Procedures
6-32Preventive Maintenance
6
Tape Drive
The head and capstan on the tape drive of the SPE should be cleaned every
three months. Abrasive particles from worn tape and environmental debris can
cause loss of information and services. The procedure for cleaning the tape drive
is described in the section on TAPE in
Chapter 9, ‘‘ABRI-PORT (ASAI ISDN-BRI
Port)’’.
Batteries
The backup batteries in the power distribution unit in the bottom of the cabinet
should be replaced every four years or whenever a POWER alarm that indicts the
condition of the batteries is logged. Systems with an uninterruptible power
supply (UPS) may not be equipped with backup batteries.