Administering MAX Hardware
Interpreting indicator lights
MAX Administration Guide
1-3
The MAX 6000 unit’s front panel indicator lights convey information about the power supplies
and the status of the unit’s fans. Figure 1-2 shows the location of the indicator lights on the
front panel of a Redundant MAX 6000 unit.
Figure 1-2. Redundant MAX 6000 front panel
Table 1-2describes each indicator light on the front panel of a Redundant MAX 6000 unit.
Alarm
On indicates a WAN alarm or a trunk out of service (during line loopback
diagnostics, for example). WAN alarms include Loss of Sync, Red Alarm,
Yellow Alarm, and All Ones (or AIS).
For more information about the Alarm indicator light, see“Troubleshooting a
Red Alarm” on page 5-2 and “Troubleshooting a blinking Alarm” on
page 5-4.
Table 1-2. Redundant MAX 6000 front panel lights
Light
Description
Power
On when the Redundant MAX power supply is on.
A Fail
On only if one or more of the voltages from side A of the power supply
has failed (+12, +5, +3.3, -12, -5.)
Table 1-1. MAX 6000 front-panel indicator lights (continued)
Light
Description