3Com NETBuilder II Appendix a Hssi Module Components, LEDs, LED Normal Color Indicates Behavior

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Appendix A

HSSI Module Components

This appendix describes the HSSI module components and gives the speciﬁcations of the board. The following ﬁgures show the major components and the connector/LED panel.

Status LED

CA LED

TX LED

Backplane connector to NETBuilder II

Connector

HSSI	TX
®	CA
	STATUS

LEDs

The following table explains the states of the three LEDs.

Table A-1. LED states

LED Normal Color Indicates

Behavior

TX	on	green	packets forwarding
CA	on	green	CSU available
STATUS	on	green	normal operation
		off	module disabled
		yellow	self-test
		red	fault

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Contents Member of the NETBuilder family NETBuilder II Hssi Module Installation Guide3Com Corporation Bayfront Plaza Santa Clara California Before You Begin How to Use This GuideConventions If you are looking for Turn toSpecial Messages Before Installing the Hssi Module Chapter InstallationObserve appropriate ESD precautions Inspect the Hssi module for shipping damageVerify that you have received all the contents Select an I/O slot in which to install the Hssi module Installing the Hssi ModuleHand tighten the captive screws. Do not use a screwdriver Lock the board in the slotCabling the Hssi Module for Network Connection Hotswap Internal Loopback testTroubleshooting Startup Problems Chapter Troubleshooting and MaintenancePreventive Maintenance Maintaining the Hssi ModuleReplacing the Hssi Module LEDs Appendix a Hssi Module ComponentsLED Normal Color Indicates Behavior Location Connector Number of pins Purpose ConnectorsSpeciﬁcations Attribute DescriptionAppendix B Displaying the MAC Address Type 3 to access the MAC address of the Hssi moduleType Y Displaying the MAC Address On-line Technical Services Automated Fax Service3Com Product Information Service Appendix C Technical SupportAdditional Technical Support Services Warranty Information3Com Documentation on CD-ROM Adapter-Speciﬁc Bulletin Board System BBSReturning Products for Repair Before Contacting Your Network SupplierAdditional 3Com Support Services Europe and Africa Equipment Warranties and Repair ServicesPreparing Your Equipment for Shipment Technical Support