Verilink DCSU 2911 (880-502647-001) Product Manual Manual de usuario descargar pdf (Pagina 73)

Troubleshooting

Verilink DCSU 2911 User Manual

5-7

Data Port LEDs

Data Port LEDs display alarm conditions detected at the data ports.

Data Port LEDs 1 and 2 display the status for their respective ports.

Table 5-3 Data Port LED Indicators

System LED

The System LED displays node controller assignments and node

communication conditions.

Table 5-4 System LED Indicators

State Color Alarm Class Possible Error Condition

Solid Green All okay None. (DTE connected and in sync)

Solid Red Major Port active; Signal designated for LOS is not detected. For

example, if you have enabled DTR monitoring (to detect a Loss

of Signal) and you disconnect the cable, a major alarm is

declared.

Solid Amber Diagnostic

mode

Port is active and in loopback.

Off None None Port is not enabled.

State Color Alarm Class Possible Error Condition

Solid Green None Module is okay and another module is the shelf controller.

Solid Red Critical System failure. You may need to reseat the card in the shelf.

Off None None Module is not on; no power.

Flashing Green None The module is acting as the controller (that is, it is the shelf

master controlling the ACP bus usage in the shelf).

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Verilink DCSU 2911 (880-502647-001) Product Manual Manual de usuario Pagina 73