Paradyne ACCULINK 336x E1 Operator's Manual

Also see for ACCULINK 3360: Quick installation Operator's guide User guide

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Paradyne ACCULINK 336x E1 Operator's Manual Manual pdf 77 page image

Maintenance4-193360-A2-GB20-20 December 19963. From the Loopback screen, press the key untilthe RLB selection appears on the screen.F1Loopback:Abort LLB PLBF2 F34. Select RLB.F1Loopback:PLB DLB RLBF2 F3Test Started appears on Line 2. If a Repeaterloopback is already in progress, the AlreadyActive message appears. If an invalid combinationof loopbacks is in progress, the error messageInvld Test Combo appears (see Table4-9 for validloopback test combinations).Starting a Data Channel LoopbackThe Data Channel Loopback command (DCLB) loopsthe data received from the network interface, for all DS0channels allocated to the selected port, back to thenetwork. The loopback occurs after the data passesthrough the port circuitry but before it is sent out the dataport. All ones are inserted into the DS0 channels allocatedto that port.NTUDATAPORTS(1 - 4)DCLB HDSLAISDATA CHANNEL LOOPBACK (DCLB)495-14775To perform a Data Channel loopback,1. From the top-level menu screen, select Test.2. From the Test screen, select Lpbk.F1Test:Rlpbk Lpbk PtrnsF2 F33. From the Loopback screen, press the key untilthe DCLB selection appears on the screen.F1Loopback:Abort LLB PLBF2 F34. Select DCLB.F1Loopback:DLB RLB DCLBF2 F35. From the DCLB screen, press the Function key forthe port for which you want to perform the datachannel loopback. Use the scroll keys, ifnecessary.F1Loopback: DCLBPrt1 Prt2 Prt3F2 F3Test Started appears on Line 2. If a Data Channelloopback is already in progress, the AlreadyActive message appears. If an invalid combinationof loopbacks is in progress, the error messageInvld Test Combo appears (see Table 4-9 forvalid loopback test combinations).