3Com VCX V7111 VoIP SIP Gateways User Manual 27C HAPTER 3: VCX V7111 24FXSH ARDWARE INSTALLATIONCAUTION: Installation and service of 3Com VCX V7111 products must beperformed only by authorized, qualified service personnel.Hardware Installation ProcedureUnpackingTo unpack the VCX V7111 24FXS, follow these steps:1 Open the carton and remove packing materials.2 Remove the VCX V7111 from the carton.3 Check that there is no equipment damage.4 Check, retain and process any documents.5 Notify 3Com of any damage or discrepancies.MDF AdapterTo connect twenty-four 2-wire lines into the VCX V7111, a Main Distribution Frame (MDF)Adapter Block should be used as shown in Figure 12. This converts the standard RJ-11connector into a plain pair of wires that are terminated within a 50-pin Telco connector.
