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Telephony on permanent circuits
The function can be started with the
Phone / connec. function in the Single tests menu (see
Chap. 10 page 83).
After the B-channel for the permanent circuit is selected, the
telephone connection will be setup automatically.
BERT on permanent circuits
A number of variations are possible in testing the permanent
circuit with the bit error rate test.
In the simplest case, a B-channel loop will be set up at the
remote end.
Start the BERT from the Single tests menu / Bit error test
submenu / BERT start(see "Start BERT" on page 60 ).
After selection of the channel to be tested (B-channel or D-
channel), the ARGUS will send the test pattern, receive it
back and evaluate it accordingly.
The displays and operation are, in largest part, similar to
those of a BERT on a dial-up connection (see page 58 Bit
error test), you simply need not enter call numbers or select
a service.
In the case of a BRI access in end-to-end mode (see "Bit
error test" on page 58 and on page 66 "BERT wait"), it is
ARGUS 3u plus/3u NT
8 Select the Access Mode
-Key or via the
The ARGUS displays the B-
channel used (e.g. B01) and
the duration of the permanent
circuit.
Use the< TM > softkey to start
the Test Manager (see Page
94)
Terminate permanent circuit
The ARGUS will open the
Status display
.
33
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