StarTech.com IC485S Handleiding

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Installation Manual

IC485S

IC485SGB

IC485SEU

Interface Converter

RS-232 to RS-485/422 Serial Interface Converter

110

Overview

Changing line signals is no longer a problem. StarTech.com’s IC485S / GB / EU

converts RS-232 serial interfaces to RS-485/422 serial interfaces. This 2 in 1 converter

converts RS232C to either the RS 485 or RS 422 interface. Other features include DCE/

DTE selectable modes, point to point multidrop configuration and the ability to monitor

RS 485/422 signals.

The IC485S / GB / EU can be powered from the following two ways:

1. DC 9V, 200mA power adapter

2. The pin #9 of the RS-232 connector

The following is a figure of the IC485S / GB / EU:

Features

• Two in one converter-Converts RS232C to either RS-485 or RS-422

• DCE/DTE mode selectable

• Supports point to point multidrop configuration

• Can be used to monitor RS-485/422 signals

• Full or half duplex operation

Specifications

Data rate

RS-232 connector

RS-485 connector

Dimensions (mm)

Power

Up to 1MB/sec

Cable length Up to 4000ft.

DB25 Female

RJ11 Female or 4 terminal block

54 x 74 x 19

Self-powered or DC 9V 200mA

Radio and TV Interference

Warning!!! This equipment generates, uses and radiates radio frequency energy and if

not installed and used in accordance with the instruction manual may case interference

to radio and television reception. It has been tested and found to comply with the limits

for a Class A computing device in accordance with the specifications in Subpart J of

Part 15 of FCC Rules, which are designed to provide reasonable protection against

such interference when operated in a commercial environment. Operation of this

equipment in a residential area is likely to cause interference, in which case the user at

his own expense will be required to take whatever measures may be required to

correct the interference.

If this equipment does cause interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to

correct the interference by one or more of the following measures:

1. Reorient the receiving antenna.

2. Relocate the computer with respect to the receiver.

3. Move the computer away from the receiver.

4. Plug the computer into a different outlet so that the computer and receiver are on

different branch circuits.

5. Ensure that the mounting screws, attachment connector screws and ground wires

are tightly secured.

6. Ensure that good quality, shielded and grounded cables are used for

data communications.

If necessary, the user should consult the dealer or an experienced radio/television

technician for additional suggestions.

Getting Started

This section is designed to help you prepare the IC485S / GB / EU for installation.

Please read through this section carefully before attempting to install the converter.

Unpacking the IC485S / GB / EU

This package should contain:

• 1 x interface converter

• 1 x power adapter

Installation

Before installing the IC485S / GB / EU you will need a 4-wire cable. This cable must go

from your location to the place you want to connect to.

1. Decide on one of the 6 possible configurations suitable for your application. Check the

for the correct slide switch settings and phone wires connection, then Operation

connect the IC485S / GB / EU to the PC.

2. Turn on the PCs.

3. Insert the adapter’s plug into the power jack on the right side of the converter.

4. Plug the power adapter into an AC outlet. The unit is not ready for operation.

Switch Function Description

Device Mode Selection

Position 1: DCE means that the IC485S / GB / EU is set to the DCE mode and must be

connected to a DTE device.

Position 2: DTE means that the IC485S / GB / EU is set to the DTE mode and it must be

connected to a DCE device.

Position 3: Monitor means that the IC485S / GB / EU is set to the monitor mode and it is

used to monitor the RS-485 line signals.

Transmitting and Receiving Mode Selection

Position 1: (TxON, RxON) means the IC485S / GB / EU is always in transmitting mode

and in receiving mode (using in Point-to-Point mode).

Position 2: (TxRTS, RxRTS) means the IC485S / GB / EU is in transmitting mode while

the RTS is at a high level and it is on receiving mode while the RTS signal is at a low

level (using in Multidrop mode).

Position 3: (TxRTS, RxON) means the IC485 / GB / EU is always in receiving mode and

it is in transmitting mode only while the RTS signal is at a high level (using in Multidrop

mode to monitor the RS/485 line signal).

Note: DTE means Data Terminal Equipment. DCE means Data Communication

Equipment. For more detailed information, refer to the Appendix.

Appendix

Troubleshooting

If failure of printing still exists upon the above solutions, please contact your dealer

for help.

RS-232 DCE/DTE Description

Note: The DTE mode devices must be connected ti a DCE mode device because the

polarity of the communication signals are different. The shadow area is a connection

example for a DTE device to a DCE device.

Problem Solution

Failure of Data Transmission 1. Check that the DC9V power adapter

is available.

2. Check that the IC485SEU is plugged

securely to the PC.

3. Check that the 4-wire cable is

connected properly at both ends.

4. Check that the SW1 and SW2 are

properly set.

Data Loss or Error Check that the data rate and data format

are the same for both devices.

Device's Connector Pin # Cables IC485S/GB/EU

DCE

DB9

DTE

DB9

DCE

DB25

DTE

DB25

25/25 or

9/25-Pin

DCE

DB25

DTE

DB25

2 3 3 2 Tx Rx 3 2

3 2 2 3 Rx Tx 2 3

8 7 5 4 RTS CTS 5 4

7 8 4 5 CTS RTS 4 5

5 5 7 7 GND GND 7 7

Product specificaties

Merk:	StarTech.com
Categorie:	Niet gecategoriseerd
Model:	IC485S
Kleur van het product:	Grijs
Breedte:	54 mm
Diepte:	74 mm
Hoogte:	19 mm
Gewicht verpakking:	390 g
Breedte verpakking:	59 mm
Diepte verpakking:	240 mm
Hoogte verpakking:	162 mm
Gewicht (imperiaal):	0.86 lbs
Inhoud doos of mastercarton:	20 stuk(s)
Afmetingen (B x D x H):	54 x 74 x 19 mm
Aansluiting 1:	RJ11 Female/DB25 Female
Aansluiting 2:	DB25 Female/RJ11 Female or 4 terminal block
Aansluiting 1 type:	Vrouwelijk
Aansluiting 2 type:	Vrouwelijk