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Transport 2 Active Channels of Serial Data Over Fiber
The Serial Data Fiber Link Card system transports two active channels of copper serial data over fiber optic cable, allowing for both RS-232 and RS-485/422 to be used at the same time. Fiber optics not only provide long distance communication up to 74 mi. (120km), but also provide immunity to EMI/RFI and transient surges. This is ideal for extending serial data communications over long distances, or near large electrical equipment where resistance to EMI is desired.
The system supports serial data rates from 50 bps to 921.6Kbps, and has an auto-sensing feature that eliminates the need to manually set serial data rates. The included Pull High / Pull Low rotary dials allows for fast and easy biasing adjustment. Each Fiber Link Card requires 24-48VDC and has a comprehensive set of LEDs on the front panel that indicate power status, fiber status, and activity for RS-232 and RS-485/422 channels.
Features
- Rugged design for wide operating temperature of -25°C to +70°C
- 24-48VDC powering required
- Available with ST or SC connectors for single or multimode fiber
- ST and SC singlemode and multimode fiber units available
- Supports baud rates of 50 bps to 921.6 Kbps baud
- Supports 2 & 4 Wire RS-485 operation
- Critical, high voltage, remote or un-manned locations operating 24/7/365
- On/Off Termination Resistor Dip Switch for RS-485/422
- Protocols tested: DNP, Modbus, DF1, and Profibus
- Limited Lifetime Warranty
- Made in USA
Please see the product documentation for the complete list of specifications
Transmission Method:
Frequency modulated light via two optical fibers
Wavelength:
Multimode: 1310nm
Singlemode: 1310nm
Fiber Type/Distance:
Multimode (62.5/125µm, 50/125µm): 1.2 mi./2km
Singlemode (9/125µm): 12.4 mi./20km, 37 mi./60km, 74 mi./120km
Fiber Connector Type:
ST or SC
Power:
24~48VDC nominal, 150mA @ 24VDC or 3.6 Watt
Protocols:
Serial RS-232 & RS-485/422 Data
Dimensions:
H 3.93” x W 1.24” x D 6.94”
(Standard RLH Fiber Link Card Form Factor)
Operating Temperature:
-25˚C ~ 70˚C (-13˚F ~ 158˚F)
Product Information
CAD Files
SD4-03-2
SD4-04-2
SD4-40-2
SD4-41-2
SD4-45-2
SD4-50-2
SD4-51-2
SD4-55-2
SD4-10-2
SD4-11-2
SD4-14-2
SD4-15-2
For product questions, volume pricing and/or delivery outside of the US and Canada, please contact sales.
Ordering
RS-232 & 485/422 (legacy)
Please contact us to get a quote for your project.
*Lead times are estimates and may vary. You will be contacted within 1 business day to go over the details of your order. If you require a specific date, let us know!
*Days = Business Days