Product specifications
Chapter 5 Operation
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[F4]ALS (Auto Laser Shutdown) : Please refer to the definition of ITU-T G.664, when FMUX01A/Plus
detects " LOS " and the " ALS " function is enabled at the same time, then OE will shutdown the signal of
Tx. It will try to re-detect the signal automatically every 100 seconds. If the alarm of LOS is not removed
immediately, the device needs to wait another 100 seconds before turning the optical Tx on again. If the
LOS status is cleared, the system will return to normal state and transmit laser signal again.
[F6] APS (Auto Protection Switch) : While "OFF" is selected, "OE Revertive/ OeLocked/ OeLocked Rule/
OE Lock AutoRel Sec" will disappear from the menu.
[F7] OE Revertive : When [F7] set to "OFF", "OeLocked/ OeLocked Rule/ Oe Lock AutoRel Sec" will
disappear from the menu.
[F8] OE Locked : When [F8] set to "OFF", "OeLocked Rule/ Oe Lock AutoRel Sec" will disappear from the
mneu.
When [F8] is set to "ON" :
OE Locked Rule : Locks the optical system if switched to protect line " m " times with in " n " minutes.
("n" and "m" depends on user's definition ) (Default : m=6 ; n=10 )
OE Locked AutoRel Sec : If the function of OE Locked is enabled, it will be auto-release after " x "
seconds. (Default : x=3600)
Info : If the function of the OE Locked is activate, then it needs to be released as in the example screen of "
5.9 OE Protection Switching "
Info : User cannot configure the functions not showing on the menu. When user reboots the equipment, the
setting reloads the default value.