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Testing
5-7
7984-A2-GB20-10
February 1999
Send and Monitor 511
The LTU initiates the test by sending a command to the remote unit to send a
511 test pattern. When the remote unit detects the command, it sends a
511 pattern and lights the front panel test LED. Each unit will send and monitor
the 511 pattern. The duration and results of the test are displayed on the Network
Test screen of each unit.
NOTE:
The send and monitor test is not a loopback test. Each unit independently
sends and monitors a 511 pattern.
CAP
DSX-1
Port
CAP T1
LIU
FramerFramer
Transceiver
98-16108
CAP
CAPT1
LIU
Framer Framer
Transceiver
AIS
AIS
511
Gen
511
Mon
511
Pattern
511
Pattern
511
Mon
511
Gen
" Procedure
To run a Send and Monitor 511 test:
1. Position the cursor at the Start command next to Send and Monitor 511 on
the Network Tests screen.
2. Press Enter.
The Start command is changed to Stop.
3. To manually stop the test, verify that the cursor is positioned at the Stop
command.
4. Press Enter.
When a Send and Monitor 511 test is active, a count of bit errors is displayed next
to the test duration, and the R
esetMon virtual function key is available for use.
Type r or R or select the R
esetMon virtual function key to reset the error count.