Troubleshooting
LED indicators on the front and rear panels of the FX82051 module allow you to monitor operational status:
•LED indicators on the front panel (refer to Figure 2) allow you to monitor operating power,
•LED indicators on the rear panel (refer to Figure 3) allow you to monitor
Table B. Troubleshooting with
Indicator Color | Meaning | Possible Cause | Corrective Action |
|
|
|
|
| Power LED (Pelco badge) |
| |
|
|
|
|
Blue | Power is being | – | No action required. |
| applied to the |
|
|
| module. |
|
|
|
|
|
|
Not lit | Power is not being | Power connection is faulty. | Check power connection. |
| applied to the |
| If module is rack mounted, |
| module. |
| reseat module or power |
|
|
| supply as necessary. |
|
|
|
|
|
| Power supply has failed. | Replace power supply. |
|
|
|
|
|
| Loss of power occurs due to | Check circuit breakers, fuses, |
|
| tripped circuit breakers, | or electrical service as |
|
| blown fuses, or faulty | necessary. |
|
| electrical service. |
|
|
|
|
|
| ) |
| ||
|
|
|
|
|
Green | A fiber link is | — |
| No action required. |
| established. |
|
|
|
|
|
|
|
|
Flashing green | Data activity is | — |
| No action required. |
| occurring on the fiber |
|
|
|
| link. |
|
|
|
|
|
|
| |
Red | Far end fault indica- | Defective fiber transmit port | Replace local module. | |
| tion (FEFI). The | on local module |
|
|
| optical signal |
|
|
|
| Laser fault on local module | Refer to the Optic Fault LED | ||
| transmitted from this | |||
| (Optic Fault LED on local | section in this table. | ||
| port is not detected | |||
| module flashes red). |
|
| |
| by the remote link |
|
| |
|
|
|
| |
| Defective fiber receive port | Replace remote module. | ||
| partner. | |||
| on remote module |
|
| |
|
|
|
| |
|
|
|
| |
| NOTE: The Optic Fault LED on the remote module is red. Refer to the Optic Fault | |||
| LED section in this table for additional information. |
| ||
|
|
|
|
|
|
|
|
| (Continued on next page) |
C2622M (2/07) | 17 |
