Symmetricom 1000 User Manual

Chapter 4 Provisioning the TimeProvider

INPDISQ

Specified input has 
been disqualified or 
qualified as a possible 
system reference.

MN | MJ | 
CR

FLT 
DELAY

Yes

MN

MN

INPAIS

The specified input is 
receiving an Alarm 

Indication Signal.

1

MN | MJ | 
CR

IMMED

No

MN

MN

INPLOS

The specified input has 

Loss of Signal.

1

MN | MJ | 
CR

IMMED

No

MN

MN

INPOOF

The specified input is 
receiving an Out of 

Frame signal.

1

MN | MJ | 
CR

IMMED

No

MN

MN

INPFRQ

Specified input port’s 
calculated received 
frequency exceeds the 
pull-in range of the 
LO.This alarm condition 
disqualifies the input as 

a possible reference.

2

NR | NA | 
MN | MJ | 
CR

IMMED

No

MN

NR

INPPHASE

Specified input port’s 
phase measurement 
exceeds usable value.

NR | NA | 
MN | MJ | 
CR

IMMED

No

MN

MN

INPQL

The received SSM is of 
lesser quality than the 
provisioned QLEVEL for 
a specified input. This 
alarm occurs when you 
provision the input’s 
QLEVEL below the 
quality level of the LO.

NR | NA | 
MN | MJ | 
CR

IMMED

No

MN

MN

EXDSC

Input has had excessive 
discontinuities, indicated 
by more than 3 signal 
faults (OOF, BPV, CRC, 
or AIS) within a 5-minute 
window. The alarm 
clears when the 5- 
minute window contains 
less than 3 signal faults.

NR | NA | 
MN | MJ | 
CR

IMMED

No

MN

MN