2 8 DSU 5600 User Manual 61200.078L1-1IndexRemote Digital Loopback 21RS 2, 13SR 10TD 2Inject Error 16LLEDIndicator 8Test Pattern 13Line Requirements 25Loop Interface 25Loop Interface Test 3Loop Only Test 20Loop Rate 25NNetwork StatusIndicator 2OOptions 4PParameters 4Pattern2047 16Generator 3Power 8, 26Cord 5, 8Primary EIA-232 12Prom Checksum Failure 13PTRN Test Indicator 3, 13, 16, 21, 22RRD Indicator 2RDL Indicator 3, 10, 21Rear Panel 4Receive Data 2Receiver Sensitivity 25RemoteDigital Loopback Test 3Request To Send 2RS Indicator 2, 13SSelect Switch 22Self Test 8SR Indicator 10SW 1 8SW 2 8SW 3 8SW 4 9SW 5 9SW 6 10SW 7 10SW 8 10SwitchOptions 4Select 22Test 3, 21TTD Indicator 2TestDTE Interface 2Far End 21Loop Interface 3Loop Only 20Pattern Detector 16Pattern Generator 16Remote Digital Loopback 3Self 8Status 2Switch 3, 21, 22Transmit Data 2