Chapter 11: Inspecting Equipment; Monitor Module Leds - Avaya 8800 Maintenance Manual

Chapter 11: Inspecting equipment

Perform the following procedures on a regular basis for optimum performance.
• Securely attach the blank faceplates to the chassis and ensure the fans are running.
• Allow proper ventilation to the switch.
• Seat all the modules securely in the backplane and attach to the chassis firmly.
• Check if the module LEDs are functioning properly. Also check if they show normal readings.
• Ensure that the power supplies meet the power requirements for all the installed modules.
• Check if the power cords from each power supply are not frayed or damaged.
• Check if the cables are functioning properly. Securely attach the cables that run from each installed
module.
• Check if the chassis and the cable management device are securely attached to the rack, when rack-
mounted.
Inspecting equipment navigation
•

Monitor module LEDs

• Checking power supply LEDs
• Checking fan tray LEDs
Monitor module LEDs
Table 1: LED problem indicators
LEDs on the switch modules and suggests corrective action.
Table 1: LED problem indicators
Symptom
Green AC power supply
LEDs do not illuminate.
Routine Maintenance
on page 105
on page 106
on page 108
on page 105 lists the possible problems indicated by the
Probable cause
The switch does not
receive AC power or the
power supply fails.
Corrective action
Verify that each AC power cord is
fastened securely at both ends and
that power is available at each AC
power outlet. Plug in a device such
as a lamp to ensure that the power
March 2011 105