HP 9000 Series Instruction Manual

96 AppendixB
Hardware Reference Information
Basic Troubleshooting Tips
Basic Troubleshooting Tips
Listed below are some tips on troubleshooting common hardware
problems. Refer to this information when you are trying to identify
10/100Base-TX hardware problems.
• Check the network cables. Make sure the network cable connections
are secure and that the cables are not damaged. If you find any
connections that are loose, or cables that are damaged, fix the
problem and then see if your computer can communicate on the
network
• Check the LEDs. The six LEDs on the LAN card bulkhead can be
used to help identify the problem. Figures 3 through 7 will help you to
interpret the LED display.
Refer to the figure below to interpret the LEDs on the front of the card.
Figure B-1 LED Display for 10 or 100 Mbit/s Normal Operation
Refer to the following picture to see how the LEDs indicate a 10 or 100
Mbit/s fault condition. Note that if either the Link Status LED is OFF or
= LED ON
= LED OFF
100-Mbit/s Indicator
Link Status (On=link established)
10-Mbit/s Indicator(On for 10Mbit/s)
Activity
10 or 100 Mbit/s
Test (On=fail;Off=pass)
Power
RJ-45 Connector (TX)
(On=Data transmitted/received)
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HP 9000 Series Specifications

General

Operating System	HP-UX
Manufacturer	Hewlett-Packard (HP)
Series	9000
Type	Server
Processor	PA-RISC
Memory	Varies by model
CPU	PA-RISC processors
Expansion Slots	Varies by model
Networking	Ethernet
Form Factor	Rackmount
Models	A-Class, D-Class, E-Class, K-Class, N-Class, RP Series, Superdome