Chapter 11. Testing
61200275L1-1 TSU IQ+ User Manual 11-7
DSX Loopback
A DSX L
OOPBACK
test allows the user to initiate a loopback test at
the
DSX-1
interface.
None
Select N
ONE
to stop a test in progress.
Line
Select L
INE
to execute a line loopback test at the
DSX-1
port. During
this test, data loops back toward the terminal equipment (usually a
PBX) connected to the
DSX-1
port.
Port
Select P
ORT
to execute a port loopback test at the
DSX-1
port.
During this test, data loops back toward the network interface.