Chapter 6 Maintaining and Troubleshooting the TimeProvider

Troubleshooting the TimeProvider

Table 6-7. Alarm Codes (Continued)

 

 

AID

Service

 

Alarm Level

 

Event ID

Description

 

 

 

 

 

 

 

 

 

 

TYPE

Affecting

SSU

 

PRR

 

SUB

 

 

 

 

 

 

 

 

Mode

 

Mode

 

Mode

 

 

 

 

 

 

 

 

 

INP

The specified input port has an

T1

NSA

MN

 

MN

 

MN

PHASE

excessive phase measurement

 

 

 

 

 

 

 

 

that disqualifies it from being

 

 

 

 

 

 

 

 

used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXDSC

The input has had excessive

T1

NSA

MN

 

MN

 

MN

 

discontinuities, indicated by

 

 

 

 

 

 

 

 

more than 3 signal faults of the

 

 

 

 

 

 

 

 

same type within a 5-minute

 

 

 

 

 

 

 

 

window. The alarm clears when

 

 

 

 

 

 

 

 

the window contains less than 3

 

 

 

 

 

 

 

 

alarms of the same type.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFOFF

The specified input port has

T1

NSA

MN

 

MN

 

MN

 

exceeded the Fractional

 

 

 

 

 

 

 

 

Frequency Offset threshold.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MTIE

The specified input port has

T1

NSA

MN

 

MN

 

MN

 

exceeded at least 1 of the MTIE

 

 

 

 

 

 

 

 

alarm thresholds.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TPIUSIG

The interface to the TPIU has a

T1

NSA

MN

 

MN

 

MN

 

connectivity issue.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AID = PRS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPDISQ

The specified input port has

T1

NSA

MN

 

MN

 

MN

 

been disqualified or qualified as

 

 

 

 

 

 

 

 

a possible system reference.

 

 

 

 

 

 

 

 

The fault condition must be

 

 

 

 

 

 

 

 

continuously present for the

 

 

 

 

 

 

 

 

FLTDELAY period before

 

 

 

 

 

 

 

 

disqualifying the input as a

 

 

 

 

 

 

 

 

possible reference. Once set,

 

 

 

 

 

 

 

 

this alarm clears when the input

 

 

 

 

 

 

 

 

is fault-free for the CLRDELAY

 

 

 

 

 

 

 

 

period.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPLOS

The specified input port has a

T1

NSA

MN

 

MN

 

MN

 

LOS. When detected, the input is

 

 

 

 

 

 

 

 

immediately removed as a possi-

 

 

 

 

 

 

 

 

ble reference. The LOS must be

 

 

 

 

 

 

 

 

continuously present for the FLT-

 

 

 

 

 

 

 

 

DELAY period before disqualify-

 

 

 

 

 

 

 

 

ing the input as a possible

 

 

 

 

 

 

 

 

reference. The alarm clears

 

 

 

 

 

 

 

 

when the input signal is fault-free

 

 

 

 

 

 

 

 

for the CLRDELAY period.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

180 TimeProvider User’s Guide

097-58001-02 Revision G – April 2008

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