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Products Industrial Communications Serial Converters Serial to Fiber Converters
SCFT153 Fiber Converter
SCFT 153
SCFT153 Fiber Converter

The SCFT153 fiber-optic serial server is a device designed for fiber-optic conversion. It enables transparent transmission of data between an RS232/RS485/RS422 serial interface and a fiber-optic link.



Features

The SCFT153 utilizes a single-mode, single-fiber interface with an SC connector; using a single strand of fiber for transmission helps reduce cabling costs over long distances. The device supports power input via either a standard power plug or a 2-pin terminal block, accommodating a wide input voltage range of 9–24V. It functions as a "three-in-one" serial server, supporting RS232, RS485, and RS422 standards. The RS232 interface uses a universal DB9 connector, while the RS485/RS422 interfaces utilize terminal blocks, ensuring convenient installation.

The SCFT153 does not merely convert serial-level signals into fiber-optic signals; instead, it first transforms serial data into TCP/IP signals before transmitting them over fiber. Consequently, the fiber-optic output from the ZLAN9153 can be connected directly to a fiber-optic switch, allowing it to participate directly in data transmission and switching at the network layer.

Technical Features of SCFT153

1. Features an SC-type fiber-optic interface for easy installation.

2. Provides RS232, RS422, and RS485 serial interfaces, ensuring broad compatibility.

3. Functions as a fiber-to-serial server, supporting full-duplex, high-speed data transmission without interruptions or packet loss.

4. Supports TCP Server, TCP Client, UDP, and UDP Multicast modes.

5. Supports baud rates from 1200 to 115,200 bps; data bits from 5 to 9; parity options including None, Odd, Even, Mark, and Space; and hardware flow control (CTS/RTS).

6. Includes built-in lightning protection for RS485/RS422 interfaces, making it suitable for outdoor communication.

7. Includes free Windows virtual serial port software. The device can be discovered and configured via the network interface or the serial port.

8. Provides a device management library (Windows DLL) to facilitate application development in environments such as VC, VB, Delphi, and C++Builder. Users can communicate with the device using simple functions like `read` and `write`.

9. Ideal for upgrading Modbus RTU systems to a networked environment, with built-in support for converting Modbus TCP to Modbus RTU.

10. Features an integrated web server, allowing module parameters to be configured via a web browser.

11. Supports DHCP to simplify IP address management and prevent IP conflicts.

12. Supports DNS, enabling communication via domain names.

13. Allows up to 100 simultaneous TCP connections to the networked module.

14. Offers flexible serial data framing settings to meet diverse packetization requirements.

15. Supports dynamic destination addressing in UDP mode, allowing multiple users to manage the same networked module simultaneously.

16. The "Real COM" driver supports multi-device communication by utilizing the 9th bit (where 1 indicates an address frame and 0 indicates a data frame). 18. Supports remote discovery and configuration of SCFT153 parameters via the Internet.

17. Includes a write-protection feature for parameters to prevent accidental modification; also supports initialization using default parameters.

18. Features high resistance to electromagnetic interference, with an enclosure constructed from radiation-resistant SECC steel.

The SCFT153 is suitable for applications such as:

1. Industrial long-distance data acquisition and control.

2. Connecting serial devices to fiber-optic switch networks for computer-based data acquisition and control.


Specifications

Technical Features

CategoryItemSpecification
OutlineInterfaceRS422:   terminal block; RS485: terminal block; RS232: DB9; Fiber: SC pluggable   connector
Power Supply5.5   mm DC jack, center positive / outer negative; standard power socket
Dimensions L × W × H94x65x25mm
Communication InterfaceEthernetReserved   for future expansion, not in use currently
FiberSingle-mode,   single-fiber bidirectional (BIDI)
Serial PortRS232/485/422   × 1: RXD, TXD, GND, CTS, RTS
Serial Port ParametersBaud   Rate1200–115200   bps
ParityNone,   Odd, Even, Mark, Space
Data Bits5–9   bits
Flow ControlXON/XOFF,   RTS/CTS, None
Fiber ParametersSub-modelTX   Wavelength / RX Wavelength
SCFT153A (A-side Unit)TX:   1310 nm; RX: 1550 nm
SCFT153B    (B-side Unit)TX:   1550 nm; RX: 1310 nm
Fiber Transmission Distance20   km; Optical Interface: SC
SoftwareProtocolsEthernet,   IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
Configuration MethodZLVirCOM   serial configuration, ZLVirCOM Ethernet configuration, WEB browser
Communication ModeSocket,   virtual serial port, device management function library
Operating ModesModeTCP   Server, TCP Client, UDP, Real Com Driver
Power RequirementPower   Supply9–24   V DC; 330 mA @ 9 V; 240 mA @ 12 V
Environmental RequirementsOperating   Temperature-40   ~ 85 °C
Storage Temperature-45   ~ 165 °C
Humidity Range5   ~ 95% RH