Hdsl E1 Loopback Tests; Local Loopback Test - Paradyne HOTWIRE 7900 User Manual

Testing

HDSL E1 Loopback Tests

Local Loopback Test

9-6
When a local loopback is enabled, the red Loop Bk LED on the front panel of the
local unit lights up and remains lit until the loopback is disabled.
Nest
Diagnostic
Equipment
VT100 Terminal
or Emulator
Figure 9-5. Local Loopback, Initiated at the CO Unit
Diagnostic
Equipment
Nest
Figure 9-6. Local Loopback initiated at the CP Unit
March 1998
CO
Loop Bk
LED Lights
CO
CP
Diagnostic
E1 HDSL
Equipment
7900 7900
97-15630
CP
Diagnostic
E1 HDSL
Equipment
7900 7900
Loop Bk
LED Lights
VT100 Terminal
or Emulator
7900-A2-GB20-00
97-15631