Chapter 1 Product Overview
Cisco ONS 15501 Front Panel
Cisco ONS 15501 LED Alarm Definitions
The Cisco ONS 15501 front panel has three LEDs:
•The green POWER LED turns on or off to reflect the following conditions:
–On: Both power supply voltages are within tolerance (the Cisco ONS 15501 is powered normally).
–Off: Both power supply voltages outside of tolerance or unit not powered up.
–Blinking: One of the power supply voltages outside of tolerance.
•The red FAIL LED turns on or off to reflect the following conditions:
–On: The pump laser bias, pump laser temperature, or power supply is out of tolerance. This LED indicates a major internal failure, such as an overtemperature condition or a failure in the pump laser or power supply.
–Off: The pump laser bias, pump laser temperature, and power supply are in the specified range.
•The yellow LOS LED turns on or off to reflect the following conditions:
–On: Input signal level is below the
–Off: Input signal level is above the minimum input power threshold.
|
| Cisco ONS 15501 User Guide |
|
| |
|
|
| |||
|
|
|
|
| |
|
|
|
| ||
