1
TimeSource 3100
189
Troubleshooting
097-72020-01 Issue 9: November 2003
2
5
3
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
5
Alarms MIN
Off
There is no minor alarm.
None required.
Yellow
A minor alarm has occurred
because Battery A or B has failed.
Troubleshoot and repair the
specified –48 V battery input.
A minor alarm has occurred
because a software download is
required.
Refer to Table M to determine which
software needs to be downloaded
and the recommended action.
A minor alarm has occurred
because an event (GPS error,
temperature error, span input
problem, or remote oscillator input
problem) has escalated to a minor
alarm.
Refer to Table M to determine which
event occurred and the
recommended action.
A minor alarm has occurred
because the antenna failed.
Refer to Table M to determine
whether the minor alarm is due to
antenna failure. If so, replace the
antenna.
ACO
(Lamp)
Off
The alarm cutoff function has not
been activated.
None required. Press the ACO push
button to silence all audible alarms.
Green
The alarm cutoff function has been
activated.
None required.
Re-timed
Span A or B
(990-72020-
04 systems
only)
Off
This port has not been entered via
the Enter Equipment command.
None required. If desired, enter this
port via the Enter Equipment
command.
Green
This port has been entered via the
Enter Equipment command.
None required.
Red
An event (loss of signal) has
occurred on this port.
Troubleshoot the traffic-carrying
span input signal source; check the
ESCIU port cable and connections.
BYP (990-
72020-04
systems
only)
Off
Traffic-carrying E1 data stream is
being re-timed by the TimeSource
3100 System.
None required.
Red
Traffic-carrying E1 data stream is
bypassing the TimeSource 3100
System and not being retimed
because the system is in holdover.
Refer to Table M to troubleshoot the
GPS, SPAN x, and ROx error
messages.
Table L. Front Panel Items (cont’d)
Name
Lamp
Description
Action
Summary of Contents for TimeSource 3100
Page 1: ...TimeSource 3100 GPS Primary Reference Source 097 72020 01 Issue 9 November 2003 ...
Page 49: ...3 Chapter Installation This chapter provides the steps required for installation and power up ...
Page 109: ...Chapter 4 TL1 Reference This chapter provides information for using the TL1 language ...
Page 203: ...Chapter 6 Specifications This chapter provides equipment specifications ...