FRX

The FRX LED indicates the state of the RF1 and RF2 optical receive levels.

Table 1. FRX LED indications
Condition Description
SOLID AMBER

NORMAL STATE

RF1 and RF2 optical receive levels are both OK.

FLASHING AMBER (EVEN FLASH)

ERROR STATE

RF2 optical receive level OK, RF1 optical receive level is low.

FLASHING AMBER (ODD FLASH)

ERROR STATE

RF1 optical receive level OK, RF2 optical receive level is low.

FAST FLASHING AMBER

ERROR STATE

RF1 and RF2 optical receive levels are both low.

OFF

ERROR STATE

RF1 and RF2 optical receivers have been deactivated.