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9.3
Connection to fiber optic interfaces from third-
party suppliers (DIP 2)
•
Check the idle setting for the third-party interface:
–
Logic 1 = Light off or
–
Logic 1 = Light on
If necessary, adjust the idle setting of PSI-MOS using DIP 2.
DIP 2
Idle setting
OFF = INVERS Light on
ON = NORM
Light off
1
Default setting
–
If you switch DIP 2 to "ON," the FO diagnos-
tics are not available via the LED bar graph.
–
The LED bar graph can light up at high trans-
mission speeds or flash at low transmission
speeds. This display does not correspond to
continuous evaluation of the optical power.
–
When connecting third-party devices, ob-
serve the receiver sensitivity and overrange
limits of the fiber optic interfaces.
9.4
Switches with no function (DIP 3, 4, and 5)
These switches are currently without function. They are re-
served for later additional functions.
9.5
Adjusting the transmission power (DIP 6)
If you use multimode fiberglass cables, you can adjust the
transmission power via DIP switches.
•
Set DIP 6 to "ON" (multi-mode) for operation on a multi-
mode fiberglass (50/125 µm or 62.5/125 µm).
•
Leave DIP 6 set to "OFF" (single mode) for operation on
a single mode fiberglass (9/125 µm) (factory setting).
If you are not sure which type of fiberglass is used in your
projects, contact your cable supplier.
103266_en_02
Meaning
1
Logic 1
Logic 1
PSI-MOS-RS232/FO 1300 E
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