Shenzhen UTOP Technology Co., Ltd.
| Payment Terms | Western Union, T/T, Paypal, Alipay |
| Delivery Time | 3-5Working days |
| Interface | RS485/422 serial port, 1Fiber port |
| Bit Rate | 0-120Kbps |
| Fiber Connector | SC/FC/ST optional |
| Fiber Mode | SM or MM, Single fiber or Dual fiber optional |
| Fiber Distance | MM (2KM); SM (20km Default) |
| Power input | 9V~36V DC |
| Working Temperature | 0℃ to 60℃ |
| Size | 100mm*69mm*22mm |
| Power supply | DC5V 1A |
| Warranty | 1 year |
| Brand Name | UTOPTEK |
| Model Number | UT268SM-SC20A/B |
| Certification | CE FCC RoHs |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union, T/T, Paypal, Alipay | Delivery Time | 3-5Working days |
| Interface | RS485/422 serial port, 1Fiber port | Bit Rate | 0-120Kbps |
| Fiber Connector | SC/FC/ST optional | Fiber Mode | SM or MM, Single fiber or Dual fiber optional |
| Fiber Distance | MM (2KM); SM (20km Default) | Power input | 9V~36V DC |
| Working Temperature | 0℃ to 60℃ | Size | 100mm*69mm*22mm |
| Power supply | DC5V 1A | Warranty | 1 year |
| Brand Name | UTOPTEK | Model Number | UT268SM-SC20A/B |
| Certification | CE FCC RoHs | Place of Origin | China |
UT268SM-SC20A/B
RS-232/485 Serial to Fiber Converter Single mode Bidi SC 20km 1310/1550nm
(FC/SC/ST Connector optional )
1. Overview
Model UT268 series is a sort of more function and economy RS-485/422 interface optic fiber MODEM. It is the best choice to connect RTU to HOST or SCADA controller. It used Optic fiber as transfer medium, increase the transfer function of system. Communication equipment abstain menace effective to lightning strike, surge, electromagnetism disturb under the secure environment.
2. Function and Characteristic
a) Support RS-485/RS-422 interface
b) Asynchronous, point to point, rate up to 120Kbps
c) Support 5V DC power input
d) 1500W surge protection, 15KV static protection
e) RS-485/422 port support 32 node (can choice hand-tailor 128 Node)
f) Working wavelength: 1310nm
g) Auto test signal rate, zero delay auto transmit
3. Performance guideline
Interface: support EIA RS-485, RS-422 standard
Rate: 0-120Kbps
Transmit distance: RS-485/422 port 1200m, optical port multi-mode 2KM, single-mode 20KM~80KM
Working environment: -15℃ to 60℃
4. Appearance guideline
Interface type: 5 bit terminal block (RS-485/422), multi-mode choice ST/SC/FC interface, single-mode choice FC/SC/ST interface
L*W*H: 100mm*69mm*22mm
Shell: Iron
Color: White
Weight: 230g
5. Pin define
Optical fiber interface
IN --------- Optical fiber input
OUT --------- Optical fiber output
RS-422 port
T+ --------- RS-422 Send +
T- --------- RS-422 Send -
R+ --------- RS-422 Received +
R- -------- RS-422 Received –
GND --------- Ground
RS-485 port
D+ --------- RS-485+
D- --------- RS-485-
GND --------- Ground
6. Indicator light explain
Power: Power indication
RxD: Optical fiber interface receive indication
TxD: Optical fiber interface send indication
| RS232 to fiber series | UT218MM-SC2 | RS232 to Fiber, Dual Fiber, MM 1310nm , 2KM, SC |
| UT218SM-SC20 | RS232 to Fiber, Dual Fiber, SM 1310nm , 20KM, SC | |
| UT218SM-SC20A | RS232 to Fiber, Single Fiber, SM Tx1310nm/RX1550nm, 20KM, SC | |
| UT218SM-SC20B | RS232 to Fiber, Single Fiber, SM Tx1550nm/RX1310nm, 20KM, SC | |
| RS485/422 to fiber series | UT268MM-SC2 | RS485/422 to Fiber, Dual Fiber, MM 1310nm , 2KM, SC |
| UT268SM-SC20 | RS485/422 to Fiber, Dual Fiber, SM 1310nm , 20KM, SC | |
| UT268SM-SC20A | RS485/422 to Fiber, Single Fiber, SM Tx1310nm/RX1550nm, 20KM, SC | |
| UT268SM-SC20B | RS485/422 to Fiber, Single Fiber, SM Tx1550nm/RX1310nm, 20KM, SC | |
| RS485/422/232 to fiber series | UT168MM-SC2 | RS485/422/232 to Fiber, Dual Fiber, MM 1310nm , 2KM, SC |
| UT168SM-SC20 | RS485/422/232 to Fiber, Dual Fiber, SM 1310nm , 20KM, SC | |
| UT168SM-SC20A | RS485/422/232 to Fiber, Single Fiber, SM Tx1310nm/RX1550nm, 20KM, SC | |
| UT168SM-SC20B | RS485/422/232 to Fiber, Single Fiber, SM Tx1550nm/RX1310nm, 20KM, SC |
(Remark: ST/SC/FC Fiber connector Optional; optical distance:20/40/60/80km optional)
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2018
Total Annual:
2.0 million-5.0 million
Employee Number:
20~100
Ecer Certification：
Site Member
Shenzhen UTOP Technology Co., Ltd. Brand is UTOPTEK, specializes in the development, production and sales of optical communications products. With the high attention of the optical communication industry and years of rich experience, UTOPTEK can provide full range of optical transc... Shenzhen UTOP Technology Co., Ltd. Brand is UTOPTEK, specializes in the development, production and sales of optical communications products. With the high attention of the optical communication industry and years of rich experience, UTOPTEK can provide full range of optical transc...
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