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Transport 2 Active Channels of Serial Data Over Fiber
The RLH Serial Data DIN Fiber Link 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 EM/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.
A comprehensive set of LED’s on the front panel indicate power status, fiber status, RS-232 and RS-485/422 activity. Powering options include our standard 24-48VDC, or high range DC powering of 125VDC. This rugged system also features redundant power inputs with a system alarm contact, and comes standard with DIN clip and wall mount ears.
Features
- Supports 2 active channels of serial data
- Simultaneously transmits both RS-232 and RS485/422
- Convenient LEDs for power, fiber, and serial signals
- Supports baud rates of 50 bps to 921.6 Kbps baud
- Extends communication up to 74 mi. (120km)
- Transparent RS-232 & RS-485/422 extension over fiber
- Supports 2 & 4 Wire RS-485 operation
- DC power alarm contact
- Dual redundant power inputs
- Rugged design for wide operating temperature is standard
- Protocols tested: DNP, Modbus, DF1
- DIN or wall mount with included wall mount accessories
- Singlemode and multimode models available
- 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: 850nm
Singlemode: 1310nm, 1550nm
Bi-Directional Connector Fiber Type/Distance:
Multimode: (62.5/125µm) 1.24 mi. (2 km), (50/125µm): 1.24 mi./2km
Singlemode: (9/125µm) 12.4mi /20km, 37mi / 60km
Dual Fiber Connector Fiber Type/Distance:
Multimode (62.5/125µm): 1.24 mi./2km, (50/125µm): 1.24mi./2km
Singlemode (9/125µm): up to 74.5mi/120km
Fiber Connector Type:
ST or SC
Powering:
24~48VDC / 125VDC
Dual Redundant Power Inputs
Protocols:
Serial RS-232 & RS-485/422 Data
Latency:
100ns
Dimensions:
H 4.93” x W 1.20” x D 3.93” (not including DIN clip)
Standard T-35 DIN rail mounting or wall mount with included brackets
Operating Temperature:
-25˚C ~ 70˚C (-13˚F ~ 158˚F)
General Information
CAD Files
Miscellaneous
Guide
SDD-03-2
SDD-04-2
SDD-40-2
SDD-41-2
SDD-45-2
SDD-50-2
SDD-51-2
SDD-55-2
SDD-10-2
SDD-11-2
SDD-14-2
SDD-15-2
For product questions, volume pricing and/or delivery outside of the US and Canada, please contact sales.
Ordering
Serial Data RS-232 & RS-485/422
| Product configuration | Mode | Connector | Distance | Fibers | Part number | Price | hf:att:pa_mode | hf:att:pa_connector | hf:att:pa_distance | |
|---|---|---|---|---|---|---|---|---|---|---|
| Multimode, SC, 2km/1.2 miles, Dual Fiber | Multimode | SC | 2km/1.2 miles | Dual Fiber | SDD-03-2 | $490.00 | multimode | sc | 2km-1-2-miles | |
| Multimode, ST, 2km/1.25 miles, Dual Fiber | Multimode | ST | 2km/1.2 miles | Dual Fiber | SDD-04-2 | $490.00 | multimode | st | 2km-1-2-miles | |
| Singlemode, SC, 20km/12.4 miles, Dual Fiber | Singlemode | SC | 20km/12.4 miles | Dual Fiber | SDD-40-2 | $600.00 | singlemode | sc | 20km-12-4-miles | |
| Singlemode, SC, 60km/37 miles, Dual Fiber | Singlemode | SC | 60km/37 miles | Dual Fiber | SDD-41-2 | $710.00 | singlemode | sc | 60km-37-miles | |
| Singlemode, SC, 120km/74 miles, Dual Fiber | Singlemode | SC | 120km/74 miles | Dual Fiber | SDD-45-2 | $930.00 | singlemode | sc | 120km-74-miles | |
| Singlemode, ST, 20km/12.4 miles, Dual Fiber | Singlemode | ST | 20km/12.4 miles | Dual Fiber | SDD-50-2 | $600.00 | singlemode | st | 20km-12-4-miles | |
| Singlemode, ST, 60km/37 miles, Dual Fiber | Singlemode | ST | 60km/37 miles | Dual Fiber | SDD-51-2 | $710.00 | singlemode | st | 60km-37-miles | |
| Singlemode, ST, 120km/74 miles, Dual Fiber | Singlemode | ST | 120km/74 miles | Dual Fiber | SDD-55-2 | $930.00 | singlemode | st | 120km-74-miles | |
| Singlemode, SC, 20km/12.4 miles, Single Fiber - Side A | Singlemode | SC | 20km/12.4 miles | Single Fiber - Side A | SDD-10-2 | $630.00 | singlemode | sc | 20km-12-4-miles | |
| Singlemode, SC, 20km/12.4 miles, Single Fiber - Side B | Singlemode | SC | 20km/12.4 miles | Single Fiber - Side B | SDD-11-2 | $630.00 | singlemode | sc | 20km-12-4-miles | |
| Singlemode, SC, 60km/37 miles, Single Fiber - Side A | Singlemode | SC | 60km/37 miles | Single Fiber - Side A | SDD-14-2 | $770.00 | singlemode | sc | 60km-37-miles | |
| Singlemode, SC, 60km/37 miles, Single Fiber - Side B | Singlemode | SC | 60km/37 miles | Single Fiber - Side B | SDD-15-2 | $770.00 | singlemode | sc | 60km-37-miles |
- For the 125VDC input power option, please note your part number, add -A to the end, and get your quote here
- Bi-Directional single fiber models require an A side and B side unit for a complete system
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*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