Payload Loopback; Framer Loopback; Figure 6-10. T1 Payload Loopback Test; Figure 6-11. Framer Loopback Test - ADTRAN OSU 300 User Manual

Chapter 6. Diagnostics
#x Payload Loopback
During this test, all payload information on the selected DSX-1
interface is reframed and looped back towards the DTE. See Figure
6-10 for an illustration of this test.
DSX-1
#x Framer Loopback
During this test, all information from the network side (DS3) for the
selected DSX-1 interface is looped back towards the network. See
Figure 6-11 for an illustration of this test.
DSX-1
6-8
OSU 300
Quad DSX-1

Figure 6-10. T1 Payload Loopback Test

OSU 300
Quad DSX-1

Figure 6-11. Framer Loopback Test

OSU 300 User Manual
T3
DS3 MUX
DS3 MUX T3
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