User's Manual

5-4

5.3

SPECIAL TOOLS

Refer to Table 5-1 for special tools required for maintenance. Similar tools can be substi-

tuted for those recommended; however, before substitution, check the minimum parameters.

5.4

PERSONAL COMPUTER (PC)

The PC is an on-line maintenance and troubleshooting tool. See Figure 5-2. Connect the

RS-232 interface cable between USI connector on controller and the PC.

5.5

ALARM MONITORING AND INSPECTION

Perform the following checks whenever a station is entered:

Verify that no alarms are lighted; only the green status indicators should be

lighted.

Momentarily press LAMP TEST switch. Verify all indicators light.

Keeping records of errors and alarm history can be an aid to system trouble-

shooting.

The local status alarms screen displays the alarms of the radio to which the

USI is connected, either physically or addressed via the ELMC.

Using the USI computer, check local alarms on the Local Status Alarms

screen.

Table 5-1 Special Tools Required

TOOL ESSENTIAL CHARACTERISTICS USED ON

Torque Limiting Screwdriver

Briggs-Weaver PN 8370-01880

#2 Phillips, 19 in-lb DS1/E1, DS3, OC3

#2 Phillips Bit Extension

Briggs-Weaver PN 8528-27370

(for use with torque limiting screw-

driver)

DS1/E1, DS3, OC3

Torque Wrench,

Utica Model CHA5 w/OP-102

5/16 in., 7-to-9 in-lb, sensing type DS1/E1, DS3, OC3

Note