Adding a Legacy Link Card to an NBX System 167that the card can supply line power to the phones through the telephonewiring.Adding a Legacy Link Card to a system requires these steps:■ Prerequisites for Installing a Legacy Link Card■ Enabling Auto Discover for Legacy Link Cards■ Installing the Legacy Link Card■ Configuring a Legacy Link Card■ Upgrading Legacy Link Card SoftwarePrerequisites forInstalling a LegacyLink CardBefore you install the card, verify that all prerequisites in this section aremet:■ Be sure to read and comply with the Safety Information in theStatutory Warnings Section of the Analog Approvals document on the3Com Partner Access web site. Be sure to communicate the safetyinformation to users and administrators of the NBX system in whichthe card is operating.■ The 3Com Legacy Link Card must be installed by a 3ComVoice-Authorized Reseller.■ The NBX system must have at least one spare card slot.■ If you will be installing the card in a V5000 Gateway Chassis, ensurethat all uplinks are using the 10/100M switched ports. Do not use the10M shared ports.■ You must use NBX software Release 4.1.6x or later, and you mustinstall a license for the correct number of Legacy Link cards.■ An AC mains power point (preferably UPS-protected) must be within 5feet of the installed card.■ You need an RJ21x (25-pair/50-way female Amphenol-type) connectorto connect to the 50-way male connector on the card for thetelephones.■ You must wear a connected and grounded anti-static wrist strap withthe grounding lead in operation.
