System View Screen


The System View screen shows the system status with the LEDs displaying in real-time to indicate changes on the TimeSource. The LED color code is described in the table below.

Click Refresh to update the System view.

Name

State

Description

Action

Status GPS

Off

System is not powered.

If in warm-up, none required. If there is no power, apply power.

Green

GPS is successfully tracking satellites, or is in warm-up.

None required.

Yellow

A GPS event has occurred.

None required.

Red

A GPS event, which has existed per the user alarm setting, has escalated to a minor alarm.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine which type and combination of antenna alarms exist, and the recommended action.

Status SYS

Off

System is in warm-up mode or is not powered.

If in warm-up, none required. If there is no power, apply power.

Green

The output signal is PRS.

None required.

Red

The system has been in holdover per the user alarm setting, or there is a hardware fault.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine which type and combination of alarms exist, and the recommended action.

Alarms CRIT

Off

There is no critical alarm.

None required.

Red

A critical alarm has occurred because of a hardware failure.

Replace the plug-in card.

Alarms MAJ

Off

There is no major alarm.

None required.

Red

The system has been in holdover per the user alarm setting.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine which type and combination of antenna alarms exist, and the recommended action.

Alarms MIN

Off

There is no minor alarm.

None required.

Yellow

One of the following four alarms has occurred.

 

1

A minor alarm has occurred because Battery A or B has failed.

Troubleshoot and repair the specified –48 V battery input.

2

A minor alarm has occurred because a software download is required.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine which software needs to be downloaded and the recommended action.

3

A minor alarm has occurred because an event (GPS error, temperature error, or span input problem) has escalated to a minor alarm.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine which event occurred and the recommended action.

4

A minor alarm has occurred because the antenna failed.

Refer to "Troubleshooting with Error Messages" in the user's guide to determine whether the minor alarm is due to antenna failure and the recommended action.

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.

ACO (Push button)

Silences all audible alarms when pressed

None required.

Retimed Spans
A or B

(TimeSource3100 990-72020-04 systems only)

(TimeSource3600 990-72060-04 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, and no alarms are present.

None required.

Retimed Spans
A or B

(TimeSource3100 990-72020-04 systems only)

(TimeSource3600 990-72060-04 systems only)

 

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.

Retimed Spans BYP

(TimeSource3100 990-72020-04 systems only)

(TimeSource3600 990-72060-04 systems only)

Off

Traffic-carrying E1 data stream is being retimed by the TimeSource 3100/3600 System.

None required.

Red

Traffic-carrying E1 data stream is bypassing the TimeSource 3100/3600 System and not being retimed because the system is in holdover.

Refer to Table 5-2 in product User Guide to troubleshoot the GPS, SPAN x, and ROx error messages.