DCS-VIP User Guide17Connecting the ISDN LineThe DCS-VIP’s ISDN port has two different types of interface: U and S/T Interface.Check whether the purchased ISDN type is U Interface or S/T Interface and connectthe ISDN line according to the instructions for that type.Option A) Connecting the ISDN Line to ISDN UPort1. Connect the provided ISDN cable to the port labeled BRI 1 on the rear panel ofthe DCS-VIP. For more information about the ISDN cable specifications, refer toAppendix B.2. Connect the other end of the ISDN cable to an RJ-45 ISDN wall jack.3. If you applied for two ISDN lines, connect the second ISDN cable to the port labeledBRI 2 and the RJ-45 ISDN wall jack.Option B) Connecting the ISDN Line to ISDN S/TPort1. Connect the ISDN cable to the port labeled BRI 1 on the rear panel of the DCS-VIP. For more information about the ISDN cable specifications, refer to AppendixB.2. Connect the other end of the ISDN cable to the NT1 terminal connector.3. Connect the NT1 terminal connector to the ISDN wall jack using the ISDN S/T cablethat came with your NT1 terminal connector.Connecting PCs or HubOption A) Connecting PCsOn the rear panel of the DCS-VIP there are 8 Ethernet ports. Therefore, amaximum of 8 PCs can be connected to the DCS-VIP through the Ethernet ports.