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232-SR

232-SR584-SR224-SR

241-FCT

241-FCT241-FCT

xT xTxT

xRxRxR

241-FCT

0125

S-241-FCT

xTxR

RWP

xTrebiF

xR rebi F

retre vnoC rebiF ot laireS

584/224/232-SR

T+

T-R+/D+

R-/D-Tx

RxGND

584 /22 4-SR 232-SR V84-21

V+V-

0125

S-241-FCT

xTxR

RWP

xTre biF

xR rebiF

retrevnoC reb iF ot laireS

584/224/23 2-SR

T+T-

R+/D+R-/ D-

TxRx

GND

584/224 -SR 232-S R V8 4-21

V+V-

0125

S-241-FCT

xTxR

RWP

xTrebiF

xR rebiF

retrevnoC rebiF ot laireS

584/224/232-SR

T+T-R+/D+

R-/D-Tx

RxGND

584/224-SR 23 2-SR V84-21

V+V-

0125

S-241-FCT

xTxR

RWP

xTrebi F

xR rebi F

retrevno C rebiF ot laireS 58 4/224/23 2-SR

T+T-

R+/D+

R-/D-Tx

GND

584/224-SR 232 -SR V84-21

V+V-

TCF-142 Series

Serial to Fiber-optic Converter

Quick Installation Guide

Ninth Edition, April 2008

1. Overview

Introduction

TCF-142 series (Rev. 3.1 or later) converters are equipped with a multiple

interface circuit that can handle RS-232, RS-422, and RS-485 serial

interfaces, as well as multi-mode or single-mode fiber. TCF-142

converters are used to extend serial transmission distance 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 must be configured to transmit a

particular serial interface. You cannot transmit both RS-232 and RS-485

signals at the same time.

Why Convert Serial to Fiber?

Fiber communication not only extends the communication distance, but

also provides many advantageous features.

IMMUNITY FROM ELECTRICAL INTERFERENCE: Fiber is not

affected by electromagnetic interference or radio frequency interference.

It provides a clean communication path and is immune to cross-talk.

INSULATION: Optical fiber is an insulator; the glass fiber eliminates the

need for using electric currents as the communication medium.

SECURITY: Fiber cannot be tapped by conventional electric means and

is very difficult to tap into optically.

RELIABILITY & MAINTENANCE: Fiber is immune to adverse

temperature and moisture conditions, does not corrode or lose its signal,

and is not affected by short circuits, power surges, or static electricity.

Reverse Power Protection

The Reverse Power Protection feature provides extra protection against

accidentally connecting the power cables to the wrong terminal. The

converter automatically detects which power wire is positive and which is

negative.

Ring Mode

To allow one half-duplex serial device to communicate with multiple

half-duplex devices connected to a fiber ring, you should configure the

TCF-142 for “ring mode” by setting DIP switch “SW4” to the “On”

position. The Tx port of a particular TCF-142 unit connects to the

neighboring converter’s Rx port on the ring. Note that 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. Users

should ensure that the total fiber

ring length is less than 100 km

when using either single-mode

models (TCF-142-S) or multi-mode

models (TCF-142-M).

ATTENTION

For Fiber Ring Users:

To avoid problems when setting up a fiber ring, each TCF-142 unit

making up the ring must be powered down and set to “Ring mode.” Next,

make sure all cables are connected properly, and then power up all

devices connected to the ring. After powering up the TCF-142 units, if

the Rx LEDs of the converters are ON continuously, power down and

then power up ONE of the TCF-142 units in the ring to return the

network to normal operation.

NOTE “Ring Mode” can only be used with half-duplex applications

(i.e., RS-485 multi-drop communication).

DIP Switch Selectable Terminator

The TCF-142’s termination resistor is set with a DIP switch located on

the outside of the converter’s casing.

No Configuration Required for Baudrate Settings

The TCF-142 is compatible with any baudrate from 300 bps to 921.6

Kbps. The TCF-142 automatically converts the signal back and forth

between serial (RS-232, RS-422, or RS-485) and fiber, and does not need

to interpret the signal or the baudrate of the transmitting device. For this

reason, the TCF-142 does not have any DIP switches or jumpers for

setting the baudrate.

2. Features

y “Ring” or “Point to Point” transmission

y Extend RS-232/422/485 transmission distance:

> up to 40 km with single-mode—TCF-142-S Series

> up to 5 km with multi-mode—TCF-142-M Series

y Compact size

y Decrease signal interference

y Protect against electronic degradation and chemical corrosion

y Supports baudrates up to 921.6 Kbps

y Extended operating temperature from -40 to 75°C (for “T” models)

3. Package Checklist

Before installing the TCF-142, verify that the package contains the

following items:

y TCF-142 Fiber Converter

y Quick Installation Guide

y 7-contact terminal block connector

y 3-contact terminal block connector

NOTE: Please notify your sales representative if any of the above items

are missing or damaged.

4. Dimensions and Appearance

TCF-142 fiber converters are easy to set up and use. The serial terminal

block of one of the converters connects to your computer, the serial

terminal block of the other converter connects to your serial device, and

the two converters are connected by fiber cable(s).

NOTE

Electrostatic Discharge Warning!

To protect the product from damage due to electrostatic

discharge, we recommend wearing a grounding device when

handling your TCF-142.

TCF-142-M/S-ST TCF-142-M/S-SC

)ni 59.3( mm 4.001

22.0 mm

(0.87 in)

21.3 mm

(0.8 in)

42.3 mm (1.67 in) 67 mm (2.64 in)

78 mm (3.07 in)

12.5 mm

(0. 49 in)

)ni 89.0( mm 52

O 6 mm

(0. 24 in)

O 4 mm

(0. 16 in)

O 7 mm

(0. 28 in)

1 2 3 4

67 mm (2.64 in)

78 mm (3.07 in)

12.5 mm

(0. 49 in)

)ni 89.0( mm 52

O 6 mm

(0. 24 in)

O 4 mm

(0. 16 in)

O 7 mm

(0. 28 in)

90.2 mm

(3.55 in)

67 mm

(2.64 in)

22.0 mm

(0.87 in)

1 2 3 4

5. Wiring Examples

Connecting the Power Supply

Before using the TCF-142, first connect the DC power supply to the

power supply terminal block located on the TCF-142’s bottom panel.

Power

Supply

RS-422/485

V - V -

V+ V+

GND GND

TCF-142

P/N: 1802001420618

— 4 — — 5 — — 6 —

Connecting RS-422 and 4-wire RS-485 Serial Devices

RS-422/485

Tx Rx

RS-422/485

Tx-

Tx+

Rx-

Rx+

GND

R-

R+

T-

T+

GND

TCF-142

Serial

Device

T-

R+

R-

GND

T+

Rx-

Tx+

Tx-

GND

Rx+

Copper CopperFiber

Connecting 2-wire RS-485 Serial Devices

RS-485

Tx Rx

RS-485

GND

Data-

Data+

GND

D-

D+

TCF-142

Serial

Device

D-

GND

D+

Data-

GND

Tx-

GND

Data+

Copper CopperFiber

Connecting an RS-232 Serial Device to a PC

GND

Copper CopperFiber

RS-232

Tx Rx

GND

RS-232

GND

CTS

RTS

DSR

DTR

CTS

RTS

DSR

DTR

GND

TCF-142

Serial

Device

6. Switch Settings

Serial Connection SW1 SW2

RS-232 ON OFF

RS-422 OFF OFF

RS-485 4-wire OFF OFF

RS-485 2-wire OFF ON

Built-in 120 Ω

Terminator SW3

Enable ON

Disable OFF

SW4

Ring mode ON

Point to Point mode OFF

Two additional DIP switches (SW1 and SW2) are located inside the

TCF-142. These switches are used to configure the pull high/low resistors.

Note that SW1 and SW2 must both be configured to ON or both must be

configured to OFF.

TCF-142-M/S-SC TCF-142-M/S-ST

Pull High/Low Resistor SW1* SW2*

150K (default) OFF OFF

1 K ON ON

* These DIP switches are located inside the TCF-142.

NOTE We recommend setting SW1 and SW2 to the 1 K option

(ON/ON) when termination is enabled.

7. LED Description

There are 3 LEDs on the front panel of the TCF-142.

LED Color Function

PWR Red Steady ON: Power is ON

Fiber Tx Green Blinking when fiber is transmitting data

Fiber Rx Orange Blinking when fiber is receiving data

8. Specifications

Model Names TCF-142-M-ST

TCF-142-M-SC

TCF-142-S-ST

TCF-142-S-SC

TCF-142-M-ST-T

TCF-142-M-SC-T

TCF-142-S-ST-T

TCF-142-S-SC-T

Serial Communication

Signals for RS-232 TxD, RxD, SGND

Signals for RS-422 TxD+, TxD-, RxD+, RxD-, SGND

Signals for 4-wire RS-485 TxD+, TxD-, RxD+, RxD-, SGND

Signals for 2-wire RS-485 Data+, Data-, SGND

Baudrate 300 bps to 921.6 Kbps

Surge protection 15 KV ESD

Fiber Communication

Connector type ST or SC

Distance TCF-142-S series:

Single mode fiber for 40 km

TCF-142-M series:

Multi mode fiber for 5 km

Cable Specifications TCF-142-S series:

8.3/125, 8.7/125, 9/125 or 10/125 μm

TCF-142-M series:

50/125, 62.5/125, or 100/140 μm

Wavelength TCF-142-S series: 1310 nm

TCF-142-M series: 850 nm

TX Output TCF-142-S series: > -5 dBm

TCF-142-M series: > -5 dBm

RX Sensitivity TCF-142-S series: -25 dBm

TCF-142-M series: -20 dBm

Point-to-Point

Transmission

Half or Full duplex

Multi-drop Transmission Half duplex, fiber ring

Environmental Limits

Operating Temperature 0 to 60°C (32 to 142°F), 5 to 95 % RH

Extended Operating

Temperature (T models)

-40 to 75°C (-40 to 167°F)

Storage Temperature -20 to 85°C (-4 to 185°F), 5 to 95 % RH

Power

Input Power Voltage 12 to 48 VDC

Power Line Protection 1 KV Burst (EFT), EN61000-4-4

1 KV Surge, EN61000-4-5

Reverse Power Protection Protects against V+/V- reversal

Over Current Protection Protects against 2 signals shorted together:

1.1A

Power Consumption 100 mA at 12 VDC

Physical Characteristics

Dimensions 67 × 100 × 22 mm

90 × 100 × 22 mm (including ears)

Material Aluminum (1 mm)

Gross Weight 140g

Regulatory Approvals

CE Class B

FCC Part 15 sub Class B

TÜV EN 60950

UL UL 60950

EMI EN55022 1998, Class B

EMS EN61000-4-2 (ESD), Criteria A, Level 2

EN61000-4-3 (RS), Criteria A, Level 2

EN61000-4-4 (EFT), Criteria A, Level 2

EN61000-4-5 (Surge), Criteria A, Level 3

EN61000-4-6 (CS), Criteria A, Level 2

Freefall IEC 60068-2-32

Click here for online support:

www.moxa.com/support

The Americas: +1-714-528-6777 (toll-free: 1-888-669-2872)

Europe: +49-89-3 70 03 99-0

Asia-Pacific: +886-2-8919-1230

China: +86-21-5258-9955 (toll-free: 800-820-5036)

Reproduction without permission is prohibited.

Produktspecifikationer

Varumärke:	Moxa
Kategori:	Inte kategoriserad
Modell:	TCF-142-M-SC-T

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