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Download Access Manager 2000 User Manual
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Testing DIUs 8. To view DIU test results, select the Stop Sending Test Pattern option. The DIU 2130 Test Status screen appears. Node name slot number shelf number V.54 data channel loopback detection The DIU 2130 can now detect the three V.54 leads which equipment can use to activate data channel loopbacks. The definitions are as follows: • LL: The data channel loopbacks on the DIU 2130 at the local node (the node to which the DTE sending LL is connected). • RL: The data channel loopbacks on the DIU 2130 on the far end of the network connection. • TM: This is set high by the DIU 2130 upon successfully activating LL or RL to notify the DTE of its current state. Access Manager 2000 User Manual 8-61
