Access Navigator - Release 1.8 August 2003 15-35
Diagnostics & Troubleshooting
DS1 Payload Loopup
DS1 Payload Loopup
Sends an out-of-band (FDL) payload loopup or loopdown code over the Access Navigator drop DS1.
The CSU should perform a payload loopback, which loops the received DS1 payload back to the DS1
transmit output (see Figure 15-10).
Note: This command works with ESF framing and T1.403 FDL.
Syntax: send ds1 <n> payload <loopup|loopdown>
Figure 15-10. Send DS1 Payload Loopup
DS1
Line
Interface
Unit
Framer
Access Navigator
IN
OUT
Time Slot
Interchange
Code
Generator
CSU
Far End
Line Loopup
Line
Loopup
Command
FDL
Code
Access Bank II
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