Checking Module Alarms - Cisco Prisma II Installation And Operation Manual

Forward and reverse headend driver amplifiers
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Checking Module Alarms

Introduction
Using LCI, you can check the alarm status of various parameters. Alarms that you
can check are listed below.
User Alarm Data Display Parameters
The tables below describe the alarm display data for the FHEDA and RHEDA.
FHEDA User Alarm Data Display Parameters
FHEDA
Alarm
RfIn
RfOut
PsOk
IHybd1
IHybd2
Enable
78-4006323-01 Rev C
Alarm Condition
Rf Input = >7.0 or <-7.0 dBmV
above or below Nominal Rf Input
level
Rf Input = > 15.0 or <-15 dBmV
above or below Nominal Rf Input
level
Rf Output = >7.0 or <-7.0 dBmV
above or below Nominal Rf
Output level
Rf Output = > 15.0 or <-15 dBmV
above or below Nominal Rf
Output level
Bus Fault
Current = > 0.300A or < 0.100A
Current = > 0.350A or < 0.050A
Current = > 0.550A or < 0.250A
Current = > 0.600A or < 0.200A
Unit disabled by user
Operation Using LCI
Type
Typical Range
Minor
13.0 to 47 dBmV
Major
5 to 55 dBmV
Minor
33.0 to 67 dBmV
Major
45 to 75 dBmV
Major
Ok/Bus fault
Minor
0.100A to 0.300A
Major
0.050A to 0.350A
Minor
0.250A to 0.550A
Major
0.050A to 0.600A
Major
Enabled/Disabled
4-25

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