HP J4868A User Manual - Page 6
Twisted-Pair Cable/Connector Pin-Outs, HP Customer Support Services - switch
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3 Troubleshooting Basic Troubleshooting Tips 3-1 Diagnosing with the LEDs 3-3 Hardware Diagnostic Tests 3-5 Testing the Switch by Resetting It 3-5 Testing Twisted-Pair Cabling 3-5 Testing End-to-End Network Communications 3-6 HP Customer Support Services 3-6 A Specifications Physical A-1 Electrical A-1 Environmental A-1 Acoustic A-1 Connectors A-2 Safety A-2 B Switch Ports and Network Cables Switch Ports B-1 Cables B-2 Twisted-Pair Cable/Connector Pin-Outs B-2 Straight-Through Twisted-Pair Cable for 10 Mbps or 100 Mbps Network Connections B-4 Crossover Twisted-Pair Cable for 10 Mbps or 100 Mbps Network Connection B-5 C Safety and EMC Regulatory Statements Safety Information C-1 EMC Regulatory Statements C-8 Index iv
iv
3 Troubleshooting
Basic Troubleshooting Tips
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Diagnosing with the LEDs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Hardware Diagnostic Tests
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Testing the Switch by Resetting It
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Testing Twisted-Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Testing End-to-End Network Communications
. . . . . . . . . . . . . . . . . . 3-6
HP Customer Support Services
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
A Specifications
Physical
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
Electrical
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
Environmental
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
Acoustic
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-2
Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-2
B
Switch Ports and Network Cables
Switch Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-2
Twisted-Pair Cable/Connector Pin-Outs
. . . . . . . . . . . . . . . . . . . . . . .
B-2
Straight-Through Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connections . . . . . . . . . . . . . . . . . . . .
B-4
Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection . . . . . . . . . . . . . . . . . . . . .
B-5
C
Safety and EMC Regulatory Statements
Safety Information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-1
EMC Regulatory Statements
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-8
Index