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PRI Configuration
Initial Layer-1 Test
Select the DS1 application and configure settings as follows depending on the type of
PRI-ISDN you will be testing.
T1
►
T1-B
►
TERM
►
ESF (default)
►
B8ZS (default)
E1
►
E1-B
►
TERM (75 or 120
Ω)
►
PCM31+CRC (default)
►
HDB3 (default)
Press the
CLEAR
button and verify
No Errors
or
YEL Alarm
(will clear after 30 sec) is
shown and proper line coding is detected.
Note:
An incoming all ones wi
ll not detect B8ZS as there needs to be 8 zero’s in a row
to detect B8ZS. Also look at the frequency and level and make sure they are within
specification. Please refer to DS1 testing section for more information.
PRI Configuration
Once Layer-1 has been checked and verified, from the DS1 application screen press
the Home button followed by the PRI application. An initial self test occurs which takes
about 2 seconds to complete so do not press any buttons until you see the elapsed
time is increasing.
Your screen should look similar to below when the test set is configured and ready for
testing:
Содержание Greenlee Communications DataScout 10G
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