LCD Menus and Displays
ST112 SONET Transmission Test Set
3–5
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The ST2400 COM LINK is the last of the nine setup menus. Pressing the setup key will loop
back to the QUICK SETUP (starting) menu. Moving the cursor to OPEN and pressing the enter
key will enable the communication link between the ST112 Test Set and the ST2400 2.4Gb/s
SDH/SONET Test Set, expanded its capabilities to OC-48 testing. This Combined (Dual)
Mode function is detailed in the
Applications Chapter
of this manual.
Report/Test Time Menu System
The REPORT/TEST TIME main menu is used to access seven submenus that are used to
configure the measurement control, test time, and report setup. Pressing the enter key will access
the MEASURE CONTROL menu.
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The MEASURE CONTROL menu sets the test cycle to be used when the run key is pressed.
UNTIMED will run until the stop key is pressed. TIMED will run the test for the duration of
time set in the TEST TIME menu. REPEAT will run the test for the duration of time set in
the TEST TIME menu, then start the test again. The stop key can stop any test that is
running.
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Next is the TEST TIME menu used to set the test run duration, in terms of days (D), hours
(HH), minutes (MM) and seconds (SS). The maximum time supported is 9 days, 23 hours,
59 minutes, and 59 seconds. Press the enter key to store any changes and the setup key to
move to the next menu.
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Next is the REPORT SETUP PRINT menu used to control the printing. Setting it to OFF
means no printout, ERR will print a report each time an error is detected, during a test cycle.
EOT will print a report summary at the end of the test cycle. BOTH will print on error and at
the end of test cycle. The printer can be connected to either the parallel or serial (RS-232-C)
port. Parallel is the factory default setting.
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The REPORT SETUP SQUELCH menu is used to limit the total number of errors logged,
saving memory space. When squelch is set to ON error recording will stop after 10
consecutive seconds with errors. Then error recording will be resumed after 10 consecutive
seconds without any errors.
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The PRINTER SELECTION menu offers either PARALLEL or RS-232-C (RS232) serial
printer selection. The printer should be connected to the appropriate port on the ST112
SONET Transmission Test Set rear panel.
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In the REPORT SETUP menu CLEAR ERR (error) is used to clear the error log by moving
the cursor to YES and pressing the enter key. It immediately clears the error log and returns
to NO after execution. The error log should be cleared before running a long test, preventing
buffer overflow. An error log warning message will be displayed when the run key is
pressed, if the log is 95% full.
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The REPORT REPRINT menu is used to print the previous error log (ERR), the previous end
of test summary (PREV–EOT), or the current error log (CURR) if it exist.
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