HP 3000/9x9KS Series, Service Manual

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Troubleshooting 3-23
Figure 3-3. HP9000 Core I/O Card with Multimedia Jacks
The following informational blocks present the LED indicators of the HP 9000 Core I/O card shown in
Figure 3-2 and Figure 3-3.
Internal Modem LEDs Data Activity
Transmit If blinking (or on) data is being transmitted
Receive If blinking (or on) data is being received
DCE Link Speed
Internal Modem LEDs 14400 bps 9600 bps 2400 bps Other speed or no connect
9600 ON ON OFF OFF
2400 ON OFF ON OFF
LAN LEDs Description Function
Link Beat Receive LED Indicates receive status of 10 Base-T or AUI port. Turns on to
indicate reception. Blinks at a rate dependent on the level of
receive activity.
Transmit Transmit LED Indicates transmit status of 10 Base-T or AUI port. Turns on to
indicate transmission. Blinks at a rate dependent on the level of
transmit activity.
MDP Selftest LED Function
OFF LED will go off after a successful selftest.
Blinking LED blinks during the selftest.
ON LED stays on during a hard reset or if selftest fails.
F/W Diff SCSI Term Power Description
ON Indicates that the F/W SCSI circuitry is supplying termination power.
OFF The termination power fuse is blown, replace fuse.