Avaya 03-300430 User Manual

Page of 2574
Circuit pack LEDs
Issue 1 June 2005
267
 
Table 68: TN771D Maintenance/Test Yellow LED States
LED State
1
1. It takes 5 to 10 seconds for the yellow LED to respond to a change in the state of the packet bus.
TN771D Mode
Condition
Solid off
Normal
The Maintenance/Test circuit pack detects no packet-bus 
faults.
Solid on
2
2. Because the yellow LED on the Maintenance/Test circuit pack can also be on steady when the digital and 
analog test ports on the circuit pack are in use, exact interpretation of the yellow LED may require that the 
technician busy out the analog and digital test ports or examine the error and alarm logs for PKT-BUS 
errors and alarms.
Normal
The Maintenance/Test packet-bus port has successfully 
reconfigured the packet bus around a fault.
Flashing (1 Hz)
Normal
The Maintenance/Test packet-bus port is unable to 
reconfigure the packet bus around a fault.
Solid off
Standalone
3
3. “Standalone” refers to the TN771D’s capability to operate autonomously as a troubleshooting aid. 
The Maintenance/Test detects no packet-bus faults.
Solid on
Standalone
This condition cannot normally occur. The LED is always 
either off or blinking in standalone mode.
Flashing (1 Hz)
Standalone
The Maintenance/Test packet-bus port detects a 
packet-bus fault.