Chapter 6. Diagnostics61200217L1-1 T3SU 300 User Manual 6-9#x Payload LoopbackDuring this test, all payload information on the selected DSX-1interface is reframed and looped back towards the DTE. See Figure6-11 for an illustration of this test.Figure 6-11. T1 Payload Loopback Test#x Framer LoopbackDuring this test, all information from the network side (DS3) for theselected DSX-1 interface is looped back towards the network. SeeFigure 6-12 for an illustration of this test.Figure 6-12. Framer Loopback TestT3SU 300T3DSX-1Quad DSX-1DS3 MUXFramer/FormatterJitter AttenuatorElastic StoreT3SU 300T3DSX-1Quad DSX-1DS3 MUXFramer/FormatterJitter AttenuatorElastic Store
