ACR Electronics SmartReader Plus Manuel d'utilisateur télécharger pdf (Page 173)

Modems

162

2005 ACR Systems Inc.

9.3 Configuring Modems

To communicate with remote data logger sites, the modems have to be configured properly.

The computer modem and remote site modem each require their own setup parameters. The

number of modem makes and models is so large it is impractical to produce a comprehensive

list of settings. The following setup is for the popular US Robotics Sportster 56K fax modem.

9.3.1 Setting up the Computer Station

Application programs on a computer usually issue initial commands to modems to establish

their setup. When the application is terminated, other programs are free to re-configure the

modem. In

TrendReader Standard 2

, you can set up the modem's required configuration in

the Modem section of the Connection's settings. The commands are sent to the modem to

initialize it before placing a call to the remote logger site.

9.3.1.1

DIP Switch Settings

Set the DIP switches for the computer station's modem as follows (or equivalent settings if you

are using a different brand of modem):

Normal DTR operation

Verbal result codes

DOWN

Result codes enabled

Echo offline commands

Auto answer enabled

Normal CD operation

Load user defaults

DOWN

AT command recognition

9.3.1.2

Software Configuration

TrendReader Standard 2

, you can set up the modem's required configuration in the Modem

section of the Connection Settings. While you can configure the settings for the COM Port in

Connections, it is better to save it as a connection in Connection Settings. This way, you only

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ACR Electronics SmartReader Plus Manuel d'utilisateur Page 173