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4 Operation on a PRI Access
Press the
softkey to have the ARGUS begin to test the availability of all 30 B-
<Start>
channels one after the other by occupie the B-channels.. If the ARGUS can place a call on
a B-channel, it will be assumed that the B-channel is available in both directions; the B-
channel test cannot distinguish between alternating and exclusively "outgoing" B-channels.
If the connection is rejected, the B-channel will be identified as unavailable. In the case of a
cause, which indicates that the B-channel is occupied, the connection will be tried up to two
times and, if a connection can still not be setup, it will then be marked as unavailable.
Example:
The status display on a PRI access
B-channel test – example:
18
The ARGUS will display the following:
- Type of access
- Access Mode
- Bus configuration
- D-channel protocol
- The availability of the B-channels
Available B-channels: green circle
is indicated by three rows
of red or green circles.
B-channel 1 is at the upper left
B-channel 30 is at the lower right
In the example, all 30 B-channels are
available and can be used for outgoing or
alternating connections.
- CRC4-monitoring, A-Bit, FAS
The ARGUS is in TE-Simulation Slave
mode.
B-channel 2 and 23 are not available or
are busy. This state is indicated in the
display by the red circles. Green circles are
used to indicate the available B-channels.
If the ARGUS is not properly connected
(e.g. incorrect cabling) or the network is
not in order, the ARGUS will display "No
Net".
ARGUS PRI
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