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T
It means local equipment is receiving PRBS.
It means one of local tributaries is under condition of sending PRBS and conducting PRBS
P
test. It could be activated and cancelled in LCD panel, textmenu, and SNMP software. In this
mean time, the corresponding tributary of remote station is receiving PRBS. You could read
accumulated error numbers in LCD panel of remote station.
It means loopback test of remote stations.
It means local equipment is under condition of sending IF and PRBS tests.
P
I
It means local equipment is under condition of sending RF and PRBS tests.
P
H
C2. Tri-Rem-LP\Tn-R-LP: En/Dis
Remote Loopback test mainly conducts tests for working condition of whole tributary. You could choose
external E1 tester or internal PRBS to verify condition. Perform Remote Loopback in the remote end for the
convenience of testing the link's stability. Use the Right/Left button to select the T1~Tn tributary of the remote
E1 interface. Press OK. The Right/Left button is also used for selecting En/Dis (En=Enable/Dis=Disable). This
is used along with IDU PRBS (given in C3) for BER test as well as with E1 transmission tester for E1 interface
test.
While executing PRBS, the local and remote equipment will display the accumulated bit error.
For example:
Local End:
appears at the right bottom of the LCD means in Remote Loopback. TEST led gives an orange
R
glow.
Remote End:
appears at the right bottom of the LCD. TEST led gives an orange glow.
Figure 5-32 Tn-R-LP:En/Dis (1)
5-15
Interface
E1 Spread Spectrum Radios
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