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