User's Manual Part 2

Table Of Contents

3EM21522AAAA Appen

ix C

Issue 1, March 2008 DTR-0200-SA-SIRIUS

C-1

C ALARM DESCRIPTION, LIKELY CAUSE, AND SUGGESTED RESPONSE

Alarms are listed alphabetically by alarm names as they appear on the GUI

Alarm screen

Deviating above a positive or below a negative temperature threshold will

cause an alarm as indicated in Table C-1. Following are the temperature

thresholds for the repeater:

C.1

HPA DEFAULT TEMPERATURE THRESHOLD

• HPA Warning Low Temperature . . . . . . . . . . . . . . . . . . . . . -18˚C

• HPA Warning High Temperature . . . . . . . . . . . . . . . . . . . . +78˚C

• HPA Critical Low Temperature. . . . . . . . . . . . . . . . . . . . . . -30˚C

• HPA Critical High Temperature . . . . . . . . . . . . . . . . . . . . . +82˚C

C.2

HPA COLD START OPERATING TEMPERATURE THRESHOLD

This value is in the HPA Controller ﬁrmware and cannot be changed by the

operator. When the repeater is cold started below -18˚C in Broadcast or Test

mode, HPA DC power will be on but RF will be off until temperature is

equal to or higher than -18˚C.

• HPA Cold Start Operating Temperature: . . . . . . . . . . . . . . -18˚C

C.3

SPU OPERATING TEMPERATURE THRESHOLD

This value is set on the GUI screen under Conﬁg > Temperature

• SPU Operating Temperature Threshold: +75˚C