Leased Line Modem Communication

Outline

A computer link module is used for the long-distance communication using a leased line through a leased line modem of external type and the control of the modem for communication.

 

Leased Line Modem Specifications

The performance of the leased line modem communication using a computer link module is decided according to the state of a leased line. For reliable communication, the modem complying with a recommended standard is to be used.

 

· Baud Rate

Over 1200 bps

 

 

· DTE Interface

CTS / RTS Flow Control

 

 

· Error Correction

Corrects error when sending data

 

 

· Carrier Control

Controls to send carrier

 

 

· Line Control

Full duplex/Half duplex(2-wire, 4-wire)

 

 

· RTS/CTS Delay Time

Within 500ms

 

Modem Link Method

  1. Order to Link a Computer Link Module with a Modem

  2. Connect a RS-232C cable to an external type modem and a computer link module.

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  3. Select the menu to set up the leased modem method as the communication method in the CICON.

  4. Make sure the modem is initialized after inputting the power to it.

  5. If the modem is not initialized normally, make sure the communication method is set up as the leased line modem communication and the wiring of the RS-232C cable.

  6. The wiring of the RS232C cable is 1:1 connection.