Paradyne ACCULIN 3364 Operator's Manual

Also see for ACCULIN 3364: Quick installation

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Paradyne ACCULIN 3364 Operator's Manual Manual pdf 79 page image

Maintenance4-153360-A2-GB20-30 March 1999Test CommandsThe test commands enable you to run loopbacks andtest patterns on the E1 NTU, and to test the front panelLEDs. These tests can help you isolate areas of trouble ifyou are having problems with your E1 NTU.To access all Test commands from the Test branch,press F2 to select Test from the top-level menu screen.F1E1 HDSL NTUStat Test CnfigF2 F3NOTEThe following procedures areexamples only. Screen displaysmay vary depending on themodel and configuration of theE1 NTU.Remote Loopback TestsThe Remote Loopback tests enable you to troubleshootyour circuit by sending the following to a far-end device:• Data channel loopback up (DCLBUP) activationsequence to initiate a V.54 Loop 2• Data channel loopback down (DCLBDN)deactivation sequence to terminate a V.54 Loop 2You cannot perform remote loopbacks if any of thelocal loopbacks are active. If you attempt to do so, theerror message Invld Test Combo (Invalid TestCombination) appears.To send a Data Channel Activation or Deactivationloopback sequence to the far-end device: Procedure1. From the top-level menu screen, select Test.2. From the Test screen, select Rlpbk.F1Test:Rlpbk Lpbk PtrnsF2 F33. From the Rem Loopback screen, press theFunction key that corresponds to the specificloopback test you want to perform.F1Rem Loopback:DCLBUP DCLBDNF2 F3The Rem Loop screen appears, where Type iseither DCLBUP or DCLBDN.F1Rem Loop:TypePrt1 Prt2 Prt3F2 F3The DCLBUP and DCLBDN commands send therequested sequence out the network interface onthe DS0 channels allocated to the port you selecthere.4. From the Rem Loop screen, press the desiredFunction key to select the specific port. Use thescroll keys, if necessary.After you select a port, the sequence is sent to thefar-end device. During this time, Sending appearson Line 2 of the LCD, followed by CommandComplete when the sequence is complete.During the Sending message, you can press theand keys without affecting transmissionof the loopback sequence.