RLH Industries 16 Channel T1 Over Ethernet Multiplexer System Guide de l'utilisateur Page 89

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Automatic laser shutdown
The ALS mechanism implemented in iMux is referred to the ITU Recommendation ITU-T G.664. The ALS
mechanism can be enabled or disabled in the Optical Interface Parameters Configuration screen.
83
Automatic laser shutdown and restart concept
The ALS mechanism implemented in SL-2100 is refered to the ITU
Recommendation ITU-T G.664. The ALS mechanism can be enabled or
disabled in 4-5 Optical Interface Parameters Configuration.
<< Flow Chart>>
Automatic restart Manual OE restart Manual OE restart for test
Delay time (100s)
Tx on for (2s)
Tx on for (2s) Tx on for (90s)
Start
ALS opertion enable
Receive signal from far end?
Loss of received signal
Auto power shutdown
Yes
Yes
No
No
Start
ALS Operation Enable
Receive signal from far end?
Loss of received signal
Auto power shutdown
Manual OE restart
Tx ON for 2 sec.
Automatic restart Manual OE restart for test
Delay time 100 sec.
Tx ON for 2 sec. Tx ON for 90 sec.
No
Yes
No
Yes
Automatic Laser Shutdown Flowchart
System Configuration# RLH Industries, Inc. • 866-DO-FIBER • www.fiberopticlink.com! 89
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