Moxa Technologies TCF-90 User manual

P/N: 1802000900012

*1802000900012*

TCF-90

Quick Installation Guide

Version 1.0, June 2020

Technical Support Contact Information

www.moxa.com/support

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

- 2 -

Overview

Introduction

TCF-90 is a compact size, high-speed RS-232 to Optic Fiber converter

which handles the extension of RS-232 transmission from simply 15

meters to 5 km (TCF-90-M, multi-mode) or 40 km (TCF-90-S, single-

mode) without supplying external power to it. The TCF-90 series is

designed to drain the power from the attached serial port. It allows two

RS-232 serial devices to connect to each other in full duplex

transmission via the reliable optic fiber. Moreover, the TCF-90 isolates

the devices from the dangerous ground potential rise, ground loops,

and also the electrical EMI/RFI noise. It greatly reduces RF radiation

and susceptibility. Data security is also enhanced by almost nonexistent

electromagnetic emissions.

Package Checklist

Before installing the TCF-90, verify that the package contains the

following items:

•TCF-90

•USB Power Cord

•Quick Installation Guide

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

are missing or damaged.

Applications

•Point-to-point data communication

•Factory automation

•Remote serial device control

•Building security automation

•Critical industrial control

Specifications

Serial Communications

Serial Interface

RS-232

RS-232 Signals

TxD, RxD and GND

RS-232 Loopback

RTS to CTS; DTR to DSR and also DCD

Port Types

DB9 Female

Baudrate

300 bps to 115.2 Kbps

Fiber Communications

Connector Type

ST type

- 3 -

Optic Fiber Interfaces

Multi/Single-mode

Optic Fiber Transmit Distance

TCF-90-S Multi-mode: 40 km

TCF-90-M Single-mode: 5 km

Wavelength

TCF-90-S: 1310 nm

TCF-90-M: 850 nm

TX Output Single mode: 0 to -5 dBm

Multimode: 0 to -5 dBm

RX Sensitivity

Single mode: 0 to-25 dBm

Multimode: 0 to -20 dBm

Environmental

Operating Temperature

0 to 60°C (32 to 140°F)

Storage Temperature

-20 to 75°C (-4 to 167°F)

Power

Ext. Power (jack)

5 to 12 VDC adapters or a USB Power

cord (DC +5V)

Serial Power Source

TxD, RTS and DTR; (RTS/DTR ON are

recommended)

Power Consumption

5 to 12 VDC 20 mA(max.)

Mechanical

Dimensions (W × D × H)

42 × 80 × 22 mm

Housing

Plastic (ABS + PC)

Gross Weight

50 ± 5 g

Regulatory Approvals

EMC

CE, FCC Class B approval

Warranty

5 years

Typical Applications

Connecting TCF-90 to the RS-232 devices is simple. At the RS-232 side,

it is easy to connect to the host computer or the serial port of a device.

The ST type optic fiber connector is designed especially for the

inter/intra building applications, security, data communication and also

the industrial applications. Typical connection is as follows,

Serial RS-232 Port Power

The RS-232 port of TCF-90 is designed with a female DB9 socket to

connect directly to thehost PC, with power drawn from the TxD, RTS,

and DTR lines. Although the TCC-80I is able to obtain enough power

from the combination of the three Data/Handshake lines regardless of

whether the signal is high or low, it is highly recommended to have the

“ON” signal on either the RTS or DTR. For those applications that do not

- 4 -

use the handshake lines, a DC jack is provided for connecting a 5 to 12

VDC power supply via a USB power cord or external power adaptor.

Port Power Dissipation

When installing an RS-232 port-powered TCF-90 converter, pay

attention to the power consumption, RS-232 cable length, and the

power provided by the serial port. In general, TCF-90 itself derives 70

mW from the power source; a standard COM port on a host PC can

provide 70 to 90 mW of power if the TxD, RTS, and DTR lines are

connected.

Moreover, the RS-232 cable length should be shorter than 15 m (@

9600 bps) to ensure that less power is lost from the host/device to the

TCF-90. The rest of the supplied power is used for transmitting the

Optic fiber signal.

Serial Port Power Compatibility

There are various kinds of serial ports that use diverse interface chips.

The power provided by those ports are not always the same, and some

of them do not even have enough power to activate the TCF-90.

Usually, the on-board COM1 and COM2 ports seldom have problems.

The table shows the add-on cards and the Serial-to-Ethernet Device

Servers that have been well tested as a good power source to drive the

TCF-90 when their RTS/DTR is connected and at the “ON” status.

RTS/DTR is ON

Multiport Serial Board

Serial Device Server

Moxa Smartio

CP-118U

CP-168U V2

CP-104U V2

CP-102U

Moxa NPort 5110/5210 V2.1

5410 V2.2

5610 V3.0

(or later)

Moxa Smartio

CP-118EL Series

CP-168EL Series

CP-104EL Series

Moxa USB to Serial UPort

1410/1610

Moxa USB NPort U1110

LED Port Power Indicator

The best way to ensure the attached serial port does provide enough

electricity to the TCF-90 is to check the power indicator LED at the front

panel. Attach the TCF-90 to the target RS-232 Port, turn the SW4 at

the side to the “Test” mode, it will be so easy to distinguish if the power

it OK or not by checking the LED status. ON means OK and in the

- 5 -

opposite, please attach the external power to the TCF-90 when the LED

is OFF.

NOTE

Please turn the SW4 back to “Std.” mode (default) when

finishing the test. During the “Test” mode, TCF

-90 WILL NOT

perform any data transmission.

Optional External Power

In most circumstances, TCF-90 should be working without ext. power if

RTS/DTR is connected. For those application that the host does not

have the handshake lines available, or the both RTS/DTR are at “OFF”

states in which the interface chip of the attached serial port provides

less power than the general ones, an external USB power cord or DC

power supply should be used.

In short, performing the “LED Port Power Indicator” test is

recommended to verify if the power source is enough.

Ext. Power Supply

If additional external power is required, TCF-90 is designed to be

connected to a standard 5 to 12 VDC power adapter.

SW4

- 6 -

RS-232 Pinouts

The DB9 Female port for the RS-232 signal is shown in the following

figure.

RS-232

DCD

TxD

RxD

DSR

GND

DTR

CTS

RTS

NOTE

Each group of (RTS, CTS; DTR, DSR and DCD) pins are shorted,

freeing users from the hardware flow control cable wiring

problem.

USB Power Cord

If additional external power is required, TCC-80 is designed to be

connected to a standard 5 to 12 VDC Power Supply, or an USB Power

Cord “CBL-USBAP-50”

USB “A” Male Connector

Connector

Pinouts

Signals

+5 VDC

GND

TCF-90

USB Connector

shorted

- 7 -

NOTE

The optical transceiver is a class 1 laser product. The optical

transceiver complies with FDA performance standards for laser

products, except IEC 60825

-1 Ed. 3., as described in Laser

Notice No. 56, dated May 8, 2019. In order to meet laser safety

requirements, the transceiver shall be operated within the

Absolute Maximum Ratings.

WARNING

All adjustments have been done at the factory before the

shipment of devices. No maintenance or user serviceable part is

required. Tampering with or modifying the performance of the

device will result in

a voided product warranty. If any of the

controls ar

e adjusted, or any procedures altered other than

those specified herein

, may result in hazardous radiation

exposure.

WARNING

Class 1 laser products comply with 21 CFR 1040.10 and

1040.11

, except for conformance with IEC 60825-1 Ed. 3., as

described in laser Notice No.56 dated May 8, 2019.

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