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HP J9979A Installation And Getting Started Guide

HP J9979A
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6
Diagnostic Tips: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
LED Patterns for PoE Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Testing the Switch by Resetting It . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Restoring to Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
HP Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Before Calling Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
A Specifications
Switch Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Cabling and Technology Information Specifications . . . . . . . . . . . . . . . . A-4
Technology Distance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5
Mode Conditioning Patch Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5
Installing the Patch Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6
Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7
Straight-through Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connections . . . . . . . . . . . . . . . . . . . . A-9
Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection . . . . . . . . . . . . . . . . . . . . A-10
Straight-Through Twisted-Pair Cable for
1000 Mbps Network Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11
B EMC Regulatory Statements
Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Index

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HP J9979A Specifications

General IconGeneral
ModelJ9979A
CategorySwitch
LayerLayer 2
Jumbo Frame SupportYes
Input Voltage100 - 240 VAC
Uplink Ports4
ManagementWeb, SNMP
Dimensions44.25 x 30.0 x 4.4 cm
Weight4.4 kg
Power SupplyInternal
Form FactorRack-mountable
Operating Temperature0°C to 45°C
Operating Humidity15% to 95% (non-condensing)
Ports24 x 10/100/1000 ports

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