Configuration with QuickSET72QuickSET Configuration GuideT1 Line BuildOut — Displays the signal level for the physical T1 line. Set this to 0 dB unless theservice provider recommends another setting. The default setting for this field is 0 dB. Thefollowing options are available for this setting: 0 dB, -7.5 dB, and -15 dB.T1 Line Coding — Displays the line coding for the physical T1 line. The selections for this fieldare B8ZS and AMI. The default setting for this field is B8ZS.T1 Loop-Back — Network Loopback is a testing procedure that segments the line and allows youto isolate faults. The selections for this field are No Loop and Line Loop. In Line Loop all 24channels are looped back to the T1 line. The device must be in Loop-Timing mode to use thisoption. The default setting is No Loop.T1 Transmit Clock Source — Displays the T1 Transmit Clock Source. The choices for this fieldare Loop-Timing (Extracted Line Data) and Local-Timing (Internal Clock). The default setting forthis field is Loop-Timing.Protocol — The Protocol panel lets you select one of four protocols: Point-to-Point, HDLC(High Level Data Link Control), Frame Relay Point-to-Point, Frame Relay Point-to-Multipoint.High Level Data Link Control lets you select either Full or Fractional mode for all or half of thetime slots (for a single interface number and alias). Point-to-Point protocol lets you select aninterface number for each time slot. Frame Relay Point-to-Multipoint allows only one interfacenumber and alias, but allows multiple DLCIs. Frame Relay Point-to-Point allows multipleinterface numbers, aliases, and DLCIs.Link Management Protocol — When you select Frame Relay, this field displaysQ.933 Annex A, T1.617 Annex D, and T1.617 Annex D 1994. The default for Frame Relay isT1.617 Annex D. This field is grayed out and not used for PPP.DLCI Setup Button — The DLCI Setup button displays the DLCIs window shown on thefollowing page in Figure 79. The DLCIs window shows a list of Interface Numbers, Aliases, andDLCIs (Data Link Connection Identifiers).Use the Add button and the Add DLCI window to make entries to this table. Use the Deletebutton to delete the entry highlighted. Click Done when you have finished.