HP J3175A, J3177A manual White/orange

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Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

Twisted-Pair Cable for Switch (MDI-X) to

Hub or Switch (MDI-X) Network Connection

To connect hubs or switches or other MDI-X network devices to these ports, use a “crossover” cable.

Connector “A”

Connector “B”

Crossover cable

	white/orange
	orange/white
	white/green
	green/white
N o t e	Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 3 and 6
	on connector “B”..
	Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 1 and 2
	on connector “B”.

Pins 4, 5, 7, and 8 are not used in this application, although they may be wired in the cable.

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Cables and Connectors

A-3

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Contents HP AdvanceStack Switch 208/224 Page World Wide Web HP Customer Support ServicesHow to get the latest software/agent firmware HP FTP Library ServiceAdditional HP Support Services HP First Fax Retrieval ServiceLocation Phone Number Installation and Reference Guide HP AdvanceStack Switch 208/224Publication Number Contents Index Installing the Switch 208/224 Installing the Switch 208/224Installing the Switch 208/224 Installation StepsIncluded Parts Installation Precautions Prepare the Installation SiteInstalling Modules Install Any Optional Modules100Base-T transceiver modules into the Switch 208/224 Installing TransceiversDo not install any 100VG transceiver modules in this slot Verify the Switch’s Operation LED Behavior When the self test completes successfullyMounting the Switch in a Rack or Cabinet Mount the SwitchInsert a screw into the top hole of a close 0.5-inch Install additional screw Mounting the Switch on a Horizontal Surface Mounting the Switch on a WallConnect the Switch to a Power Source To connect Using RJ-45 Connectors 10 Mbit/s and 100 Mbit/s portsConnect the Network Cables 100Base-T Xcvr SlotCondition Diagnostic Tip Installing Switch 208/224Switch 208T As a Segment SwitchSample Network Topologies Switch 224T PCs and peripherals As a Desktop SwitchServer Switch 224T Switch 208T Connecting to a Backbone SwitchFddi Campus Backbone Installing the Switch 208/224 SwitchCable Management Where to Go From HereFeatures Switch 208/224 DescriptionSwitch 208/224 Description Front of the SwitchesNetwork Ports State Meaning LEDsManagement Slot Management Module FeaturesExpansion Slot Back of the SwitchesPower Connectors Redundant Power Supply RPS ConnectorAddress Table Operation Switch OperationSimultaneous Network Communications Page Solutions to Common Problems TroubleshootingWrong network speed connected -- You have connected a TroubleshootingDiagnostic Tips LED Error IndicationsTesting the Switch Diagnostic TestsTesting Twisted-Pair Cabling Testing Switch-to-Device Network Communications Testing End-to-End Network Communications HP BBS Resetting the SwitchTwisted-Pair Cable/Connector Pin-Outs Cables and ConnectorsCables and Connectors White/orange Twisted-Pair Cross-Over Cable Fiber-Optic CablesTwisted-Pair Cable Pin Assignments Twisted-Pair Straight-Through CableEnvironmental SpecificationsPhysical ElectricalElectromagnetic ConnectorsSafety SpecificationsMounting Precautions Safety and Regulatory StatementsSafety and Regulatory Statements Power PrecautionsGrounding Safety InformationServicing Tible de causer des dommages à léquipement Informations concernant la sécuritéHinweise zur Sicherheit Attrezzature Considerazioni sulla sicurezzaResultar en averías al equipo Consideraciones sobre seguridadSafety Information Japanese Canada Regulatory StatementsFCC Class a Statement for U.S.A. Only European CommunityDeclaration of Conformity Numerics IndexMounting switch on … 1-11 HP Redundant Power Supply RPS Rack Page Page 5966-5225