4-4 McDATA Sphereon 4300 Fabric Switch Installation and Service Manual
Repair Information
IML To IM L th e sw itch :
1. Press and hold the IML/RESET button (about three seconds) until
the amber ERR LED blinks at twice the unit beaconing rat e.
2. Release the button. During the IML, the switch-to-browser PC (or
management server) Ethernet link drops momentarily.
Reset To res et t he s w itc h:
1. Press and hold the IML/RESET button for ten seconds.
— After holding the button for three seconds, the am ber ERR
LED blinks at twice the unit beac oning rate.
— After holding the button for ten se conds, the ERR LED stops
blinking, and all front panel LED s illuminate.
2. Release the button to reset the switch. During the reset:
— The green PWR LED on the switch f ront panel illuminates.
—The amber ERR LED o n the switch front panel blinks
momentarily while the switch is tested.
— The green LED associated with the Ethernet port blinks
momentarily while the port is t ested.
— Blue/green and amber LEDs associated with Fibre Channel
ports blink momentarily while th e ports are tested.
— The switch-to-browser PC (or management server) Ethernet
link drops momentarily.
Clean Fiber-Optic ComponentsPerform this procedure as directed by a service procedural step or
when connecting or disconnecting fiber-optic cables from port optical
transceivers. The following t ools (supplied by service person nel) are
required:
• ESD grounding cable and wrist strap.
• Fiber-optic c leaning kit with:
— Oil-free compressed air or HFC-134a aerosol duster.
— Alcohol-soaked cleaning pads.