Technical data

8 Select the Access Mode
35
ARGUS 3u plus/3u NT
Loopbox with a permanent circuit
A loopbox can be setup for the permanent circuit by
selecting in the Single tests menu / Bit error test submenu
/ the B-channel LOOP (see “B-channel loop” on page 67).
The Channel select window
will open.
When "B-channel" is
selected, the Loopbox is
setup for both B-channels.
If "All framed" is selected, not
only both B-channels but the
D-channel will also be
looped.
Activate loopbox
The ARGUS will display the
channel used (B01) and the
amount of time (h:min:sec)
that the Loopbox has been
active.
On a BRI
Loopbox
stop