Test Equipment And Tools - NEC Univerge SV8500 Operation And Maintenance Manual

2.1 Test Equipment and Tools

Test equipment and tools needed for routine maintenance test are shown in the list below.
Table 6-1 List of equipment and tools for routine maintenance
TEST EQUIPMENT/
NO.
TOOLS
1 Telephone Set
2 Blown Fuse
3 VOM Digital Meter
4 Phillips Screwdriver
2.2 Routine Maintenance Procedure
Daily, monthly and quarterly maintenance procedures are explained in this section.
Collect the fault message, and operate the fault diagnosis and fault repair before the routine maintenance.
(1) Daily Maintenance
(a) Check the temperature and relative humidity in the switch room.
(b) Check the operating status of PCPro.
(c) Check to see if a system message indicating a fault is displayed.
(d) Check to see if there is any lockout station.
(e) Check whether the FANU is operating normally.
(2) Monthly Maintenance
(a) Generate an alarm and check whether an indication appears on the Telephony Server alarm lamp.
(b) Check trunk circuits individually. Also check the RGU circuit in the PWR Supply of each Module.
(3) Quarterly Maintenance
(a) Check the System
PURPOSE
A telephone set is used when performing
connection tests on trunks, etc.
A blown fuse is used when performing alarm
tests.
VOM digital meter is used when checking
output voltages of the rectifier and the battery.
A screwdriver is used when replacing the fan
with a spare.
– 676 –
CHAPTER 6 Routine Maintenance Procedure
REMARKS