ACCULINK 316x DSU/CSU4-16 December 1996 3160-A2-GB22-10Displaying DSU/CSU Test StatusUse the Test Status command to display the active testsfor the DSU/CSU. Status messages that can display on thefront panel LCD are listed in Table 4-4.Table 4-4Test Status MessagesMessage DescriptionNo Test Active No tests are currently active.LLB Test Active The network interface is in Line loopback.PLB Test Active The network interface is in Payload loopback.DLB Test Active The DSX-1 Drop/Insert port (DTE) is in DTE loopback.RLB Test Active The DSX-1 Drop/Insert port (DTE) is in Repeater loopback.DCLB on Portn Portn is in a data channel loopback.DTLB on Portn Portn is in a data terminal loopback.QRSS Test Active A QRSS test pattern is being sent on the network interface.1–8 Test Active A 1-in-8 test pattern is being sent on the network interface.QRSS on Portn A QRSS test pattern is being sent to the network on the channels allocated to portn.511 on Portn A 511 test pattern is being sent to the network on the channels allocated to portn.Monitoring QRSS The QRSS test pattern is being monitored on the received network interface signal.Mon QRSS, Portn A QRSS test pattern is being monitored on the channels allocated to portn .Mon 511, Portn A 511 test pattern is being monitored on the channels allocated to portn .DLB Test, Extrn The DSX-1 Drop/Insert port (DTE) is being held in DTE loopback by the external contact.Lamp Test Active The Lamp test is currently active.
