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Technical data on item group 099251
RS-485 point-to-point f/o converter HDX half duplex 2-wire

RS-485 point-to-point f/o converter HDX half duplex 2-wire
The RS-485 fiber optic converter is a compact Modem for transmission of an asynchronous RS485 data channel in half-duplex operation mode. The feeding voltage can be provided at the Sub-D connector or at a screw terminal. Depending to the fiber optic cable the maximum transmission distance can reach up to 3km. The extended operating temperature range allows operation in non airconditioned environments.

Technical data
ProductRS-485 HDX fiber optic converter half duplex D-Sub9 for POF or multimode fiber optic
Wavelength
multimode optical fiber or HCS / PCF
polymer optical fiber (POF)
850nm
660nm
Port(s) electricalRS-485 9-pin. Sub-D
Pin assignment
Pin
1
2
3
4
5
6
7
8
9
Name
NC
NC
TxA / RxA
NC
GND
Vcc
V+
TxB / RxB
NC
Function
not connected
not connected
data In / Out positive
not connected
system ground
+5V DC IN / OUT
9 .. 30V DC IN
data In / Out inverted
not connected

Do not use NC pins!
Port(s) optical
fiber
50/125m multimode
200/230m HCS / PCF
980/1000m POF
wavelength
850nm
850nm
660nm
connector
ST/BFOC / F-SMA
ST/BFOC / F-SMA
ST/BFOC / F-SMA
max. distance
3000m
2000m
70m

U-diff (3/8)
+200mV = High Light ON
-200mV = Low Light OFF
inverted Modems on request available
Bit rate0 .. 1 MBit/s
LEDs
Green:
Yellow:
Power Input
Receive Data
CasingMetal case
IP ratingIP40
Mountingoptional with snap-in element for 35mm DIN rail
(not retrofittable)
DimensionsLxWxH ca. 72x55x20 mm
Weightca. 100 g
Power requirements9V ... 30V DC at screw terminal or
+5V DC +/- 5% at Sub-D pin 6 (do not use the screw terminal!) or
9V ... 30V DC at Sub-D pin 7 (do not use the screw terminal!)
Power consumption170mA +/- 10% @ 5V DC
Operating temperature-40°C .. +80°C
Storage temperature-55°C ... + 125°C
ComplianceEN 55022 / EN 50081-1
EN 55024 / EN 50082-1
EN 50082-2
Country of originGermany
Ordering information item
099251029RS-485 f/o converter multimode F-SMA 850nm point-to-point
09925149RRS-485 f/o converter multimode F-SMA 850nm point-to-point DR
099251025RS-485 f/o converter multimode ST / BFOC 850nm point-to-point
09925145RRS-485 f/o converter multimode ST/BFOC 850nm point-to-point DR
099251033RS-485 f/o converter multimode F-SMA 660nm point-to-point
09925133RRS-485 f/o converter multimode F-SMA 660nm point-to-point DR
099251031RS-485 f/o converter multimode ST / BFOC 660nm point-to-point
09925131RRS-485 f/o converter multimode ST/BFOC 660nm point-to-point DR
Ordering information Accessories
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Dimensional drawing
dimensional drawing 099251 RS-485 point-to-point f/o converter HDX half duplex 2-wire
The product description has been prepared with great care. No liability is accepted for fallacies or errors. Subject to change.

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