Technical data

9 Single Tests
67
ARGUS 3u plus/3u NT
9.3.3 B-channel loop
B-channel loop mode is required in order to run a bit error
test using a loopbox at the remote end as well as to test
permanent circuits.
Use the <
> to select B-
channel loop
.
Activate the "B-channel
LOOP
The ARGUS will wait for a
call. Any incoming call
(regardless of the service)
will be taken immediately.
The ARGUS will switch a
loop back in the B-channel
that is specified by the
exchange and then send the
received bit pattern back to
the caller/sender.
If you press < MENU >, the ARGUS will return to the Main
menu; the test "B-channel-LOOP remains active. In the
Main menu, if < TM > is pressed, the ARGUS will return to
"B-channel-LOOP, Wait active", see Page 98. From this
menu, you can start a second B-channel loop connection
(this is also possible using < TM > ).
< TM >: Call the Test Manager
If the ARGUS takes a call, it will open the B-LOOP connect.
window, which is similar to the normal connection window:
The ARGUS will display the
caller's number (e.g. 2351
90700) , the B-channel used
(e.g. B01) and the number
dialed (e.g. 907070).
-Key: Display additional
information (e.g. UUS…)
< TM >: Call the Test
Manager
< Menu >: The ARGUS
returns to the main menu.
Operating
mode
B-channel
B-channel loop
Connection
stop
Operating mode
B-channel LOOP
still active