HDSL4 for General Distribution Installation and Maintenance Practice Control Port Operation61223HDSL4L2-5C 31Loopbacks and TestThe Loopback and Test Commands menu is used to evoke or terminate all available HDSL4loopbacks. Each HDSL4 circuit component can be looped toward the network or customerfrom this screen. Unit self tests can also be initiated from this screen. When any loopback isactive, a “Loop Down ALL Units” command is available in lieu of the “Run Self Tests” option.Depending on the selected product, one of two Loopbacks and Test Commands Menusdisplays:• “Loopbacks and Test Commands Menu” on page 31• “Loopback and Test Commands Menu (Total Access 3000 H4TU-C)” on page 32Loopbacks and Test Commands MenuThe Loopbacks and Test Commands menu is displayed in Figure 23.Figure 23. Loopback and Test Commands MenuCircuit ID:HNTSVLALHDSL4 03/09/05 09:29:45Press ESC to return to previous menuLoopbacks and Test Commands______ ______ ______ ______NET | | | | | | | | CUST| | | | | | | |----->| |-------| |-------| |----------------------| |----->| | | | | | | || | | | | | | |<-----| |-------| |-------| |----------------------| |<-----| | | | | | | |DSX-1 |______| |______| |______| |______| DS1H4TUC H4R 1 H4R 2 H4TUR1. Run Self Tests 7. H4R1 Loopup Cust2. H4TU-C Loopup Net 8. H4R1 Loopup Net3. H4TU-C Loopup Cust 9. H4R2 Loopup Cust4. H4TU-R Loopup Net5. H4TU-R Loopup Cust6. H4R1 Loopup NetSelection:
