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TCF-142 Series

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RS-232/422/485 to fiber converters

Product Feature

  • Ring and point-to-point transmission
  • Extends RS-232/422/485 transmission up to 40 km with single-mode (TCF-142-S) or 5 km with multi-mode (TCF-142-M)
  • Decreases signal interference
  • Protects against electrical interference and chemical corrosion
  • Supports baudrates up to 921.6 kbps
  • Wide-temperature models available for -40 to 75°C environments

Introduction

The TCF-142 media converters are equipped with a multiple interface circuit that can handle RS-232 or RS-422/485 serial interfaces and multi-mode or single-mode fiber. TCF-142 converters are used to extend serial transmission up to 5 km (TCF-142-M with multi-mode fiber) or up to 40 km (TCF-142-S with single-mode fiber). The TCF-142 converters can be configured to convert either RS-232 signals, or RS-422/485 signals, but not both at the same time.

 

Automatic Baudrate Detection

The TCF-142 converters can automatically detect the serial baudrate, which is an extremely convenient feature. Even if a device’s baudrate is changed, the signal will still be transmitted through the media converter without any data loss.

 

Ring Operation

The TCF-142 converters can be used to connect serial devices to a fiber ring. To form the ring, connect the Tx port of one TCF-142 to the Rx port of a neighboring converter. Once the ring is set up, simply use the DIP switches to configure the TCF-142 converters for ring mode. When one node transmits a signal, the signal travels around the ring until it returns back to the transmitting unit, which then blocks the signal. With the TCF-142, you can set up fiber rings that have a total circumference of up to 100 km.

 

MOXA

 

 

Automatic Data Direction Control (ADDC®)

ADDC® is a patented hardware data flow solution developed by Moxa to handle RS-485 data direction control. ADDC® senses and controls RS-485 data direction automatically, making it unnecessary to use the handshaking signal.

Serial Interface

No. of Ports

2

Serial Standards

RS-232, RS-422, RS-485

Baudrate

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

Flow Control

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

Optical Fiber

Read more

Pull High/Low Resistor for RS-485

1 kilo-ohm, 150 kilo-ohms

RS-485 Data Direction Control

ADDC® (automatic data direction control)

Terminator for RS-485

N/A, 120 ohms, 120 kilo-ohms

Connector

7-pin terminal block

Latency

300 ns

Serial Signals

RS-232

TxD, RxD, GND

RS-422

Tx+, Tx-, Rx+, Rx-, GND

RS-485-4w

Tx+, Tx-, Rx+, Rx-, GND

RS-485-2w

Data+, Data-, GND

Power Parameters

No. of Power Inputs

1

Input Current

70 to 140 mA @ 12 to 48 VDC

Input Voltage

12 to 48 VDC

Overload Current Protection

Supported

Power Connector

Terminal block

Power Consumption

70 to 140 mA @ 12 to 48 VDC

Physical Characteristics

IP Rating

IP30

Housing

Metal

Dimensions (with ears)

90 x 100 x 22 mm (3.54 x 3.94 x 0.87 in)

Dimensions (without ears)

67 x 100 x 22 mm (2.64 x 3.94 x 0.87 in)

Weight

320 g (0.71 lb)

Installation

Wall mounting

Environmental Limits

Operating Temperature

Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models: -40 to 75°C (-40 to 167°F)

Storage Temperature (package included)

-40 to 85°C (-40 to 185°F)

Ambient Relative Humidity

5 to 95% (non-condensing)

Standards and Certifications

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: 10 V/m
IEC 61000-4-4 EFT: Power: 1 kV
IEC 61000-4-5 Surge: Power: 1 kV
IEC 61000-4-6 CS: 3 V
IEC 61000-4-8 PFMF

Environmental Testing

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

Safety

EN 60950-1, IEC 60950-1

Vibration

IEC 60068-2-6

MTBF

Time

780,480 hrs

Standards

Telcordia (Bellcore), GB

Warranty

Warranty Period

5 years

Details

See www.moxa.com/warranty
Name Type Version Release Date
Datasheet for TCF-142 Series Datasheet V1.2 21 May 2020

TCF-142-M-SC

Operating Temp. 0 to 60°C
Fiber Module Type Multi-mode SC

TCF-142-M-SC-T

Operating Temp. -40 to 75°C
Fiber Module Type Multi-mode SC

TCF-142-M-ST

Operating Temp. 0 to 60°C
Fiber Module Type Multi-mode ST

TCF-142-M-ST-T

Operating Temp. -40 to 75°C
Fiber Module Type Multi-mode ST

TCF-142-S-SC

Operating Temp. 0 to 60°C
Fiber Module Type Single-mode SC

TCF-142-S-SC-T

Operating Temp. -40 to 75°C
Fiber Module Type Single-mode SC

TCF-142-S-ST

Operating Temp. 0 to 60°C
Fiber Module Type Single-mode ST

TCF-142-S-ST-T

Operating Temp. -40 to 75°C
Fiber Module Type Single-mode ST

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