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

 

 

 

 

 

 

 

 

 

ANT

GPS antenna fault due to loss

EQPT

NSA

MN

 

MN

 

MN

COMM

of communications.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPS

The GPS antenna position is

EQPT

NSA

NA

 

NA

 

NA

POS

unknown.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPS

The current to the TPIU is either

T1

NSA

MN

 

MN

 

MN

PWR

too high or too low.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPSSYS

An error occurred with BIST,

EQPT

NSA

MN

 

MN

 

MN

 

TRAIM, and/or UTC/ ephemeris

 

 

 

 

 

 

 

 

data.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPSTRK

The GPS engine is not tracking

EQPT

NSA

MN

 

MN

 

MN

 

any satellites.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPDISQ

The specified input has been

T1

NSA

MN

 

MN

 

MN

 

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 1 PPS signal has a LOS

T1

NSA

MN

 

MN

 

MN

 

fault. The fault must be continu-

 

 

 

 

 

 

 

 

ously 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPFRQ

The specified input port’s

T1

NA

NA

 

NA

 

NA

 

calculated received frequency

 

 

 

 

 

 

 

 

is exceeding the pull-in range of

 

 

 

 

 

 

 

 

the LO. This condition

 

 

 

 

 

 

 

 

disqualifies the input as a

 

 

 

 

 

 

 

 

possible reference. Once set,

 

 

 

 

 

 

 

 

this alarm clears when the input

 

 

 

 

 

 

 

 

frequency is within the defined

 

 

 

 

 

 

 

 

pull-in range limits.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

097-58001-02 Revision G – April 2008

TimeProvider User’s Guide 179

Page 179
Image 179
Symmetricom 1000, 1100 manual Ant, Eqpt NSA POS, Nsa Pwr