TCF-90 Series

Port-powered RS-232 to fiber converters

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Features and Benefits

  • Uses either external power or power over serial
  • Extends RS-232 transmission up to 40 km with single-mode (TCF-90-S) or 5 km with multi-mode (TCF-90-M)
  • Reduces signal interference
  • Protects against electrical interference and chemical corrosion
  • Compact size

Certifications

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Introduction

The TCF-90 is a compact media converter that transmits RS-232 signals over optical fiber. Power is derived from either the serial port or an external power source. The TCF-90 extends RS-232 transmission up to 5 km with multi-mode fiber, or up to 40 km with single-mode fiber. A pair of TCF-90 converters can be used to connect two RS-232 devices with optical fiber in full-duplex mode. The optical fiber isolates the data signals from dangerous increases in ground potential, ground loops, and electrical EMI/RFI noise, and it enhances data security by eliminating the harmful effects of RF radiation and susceptibility to electromagnetic radiation.

Self-Powered RS-232 to Optical Fiber

Connecting RS-232 devices to the TCF-90 is easy. The ST-type optical-fiber connector is designed especially for data communication applications that transmit data either between or within buildings. The TCF-90 can be used for industrial applications and for applications that require secure data transfer.

The RS-232 port on the TCF-90 uses a DB9 female socket to connect directly to the host PC, with power drawn from the TxD, RTS, and DTR lines. Although the TCF-90 can obtain enough power from the three data/handshake lines, whether the signal is high or low, we strongly recommend setting either the RTS or DTR signal to ON.

LED Port Power Indicator

It’s easy enough to use a multimeter to test if the serial device is supplying the TCF-90 with enough power through the serial connection, but the TCF-90 can do the testing for you. Connect the TCF-90 to the device’s RS-232 port and set the SW4 switch to Test mode. If the port power LED indicator lights up, the TCF-90 is receiving enough power. If the LED does NOT light up, you will need to attach an external power source to the TCF-90.

Optional External Power Source

In most circumstances, the TCF-90 should be able to operate without using an external power source. However, an external USB power cord or DC power supply can be used in situations where the handshake lines are not available, both the RTS/DTR signals are set to OFF, or the attached device’s serial interface chip provides less power than required.

  • No. of Ports

    2

  • Serial Standards

    RS-232

  • Baudrate

    50 bps to 921.6 kbps (supports non-standard baudrates)

  • Flow Control

    ADDC® (automatic data direction control) for RS-485

  • Optical Fiber

    TCF-90-M-ST: 100BaseFX ports (multi-mode ST connector)
    TCF-90-S-ST: 100BaseFX ports (single-mode ST connector)

  • Optical Fiber

  • RS-232

    TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

  • Input Current

    20 mA @ 12 VDC

  • Input Voltage

    5 to 12 VDC

  • No. of Power Inputs

    1

  • Overload Current Protection

    Supported

  • Power Consumption

    20 mA @ 12 VDC

  • Source of Input Power

    Power input jack

  • Housing

    Plastic

  • IP Rating

    IP30

  • Dimensions

    42 x 80 x 22 mm (1.65 x 3.15 x 0.87 in)

  • Weight

    150 g (0.33 lb)

  • Installation

    Desktop

  • Operating Temperature

    0 to 60°C (32 to 140°F)

  • Storage Temperature (package included)

    -20 to 75°C (-4 to 167°F)

  • Ambient Relative Humidity

    5 to 95% (non-condensing)

  • EMC

    EN 55032/24

  • EMI

    CISPR 32, FCC Part 15B Class A

  • EMS

    IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
    IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
    IEC 61000-4-4 EFT: Power: 0.5 kV; Signal: 0.5 kV
    IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
    IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
    IEC 61000-4-8 PFMF

  • Environmental Testing

    IEC 60068-2-1
    IEC 60068-2-14
    IEC 60068-2-2
    IEC 60068-2-3

  • Safety

    EN 60950-1, IEC 60950-1

  • Vibration

    IEC 60068-2-6

  • Time

    2,272,562 hrs

  • Standards

    Telcordia (Bellcore), GB

Support Documents

Name Type Version Release Date
Datasheet for TCF-90 Series
811.5 KB
Datasheet v1.0 2018-11-12 Nov 12, 2018
Manual for TCF-90 Series
186.4 KB
Manual v2.0 2008-07-24 Jul 24, 2008
2D CAD for TCF-90
242.8 KB
2D CAD 2008-07-24 Jul 24, 2008

Available Models (2)

Show Images
moxa-tcf-90-m-st-image.jpg | MoxaTCF-90-M-STmoxa-tcf-90-s-st-image.jpg | MoxaTCF-90-S-ST
Fiber Module TypeMulti-mode STSingle-mode ST
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TCF-90 Series

TCF-90-M-ST

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Buy online from our distributors

TCF-90 Series

TCF-90-S-ST

moxa-tcf-90-s-st-image.jpg | Moxa

Buy online from our distributors