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Chapter 9 – HTTP Server

Command Line Interface and Application Examples for Multi-Tech Systems, Inc. IP Modules (S000368F) 98

Configuration Modes

The embedded HTTP Server on the IP module supports two configuration modes. This option is available when the

http-page is set to serial (see Mandatory Setup instructions).

• Host Configuration Mode

• IP Module Configuration Mode (not supported at this point of time)

In the Host Configuration Mode, the OEM’s embedded home page is sent to the remote browser. The page serves

as a means of monitoring the host parameters live remotely. Further, the host parameters can be updated or

configured through the browser.

The IP Module Configuration Mode enables the configuration of the IP module remotely through any standard

Web browser. All parameters can be configured or their status can be viewed remotely through the interactive GUI

provided. Further, vital statistics of the IP module can be viewed remotely.

Host Configuration Mode

The Host Configuration Mode provides the OEM flexibility to design and implement a product-specific embedded

Web page, which is stored, managed, and hosted by the IP module’s HTTP server on behalf of the host device.

The OEM can design the Web page to contain the host parameters that will display live values for monitoring and for

providing options for setting and configuring the host parameters remotely.

The three essential components of host configuration are the:

1. Parameter List

2. HTML Page

3. CGI Scripts

Note: Certain File naming and size conventions are to be strictly adhered to and followed by the Web

developer. See details later in this chapter.

1. The Parameter List

The OEM’s customized host HTML page, which is uploaded, may contain parameters (for Configuration

or for Monitoring). All these parameters must be available in the Serial Device Parameter List, which

must be loaded onto the IP module.

The format of the Serial device parameter list is shown here:

P<n>:Description:Type:Minimum:Maximum:<Data>

Definition of the parameters:

n ranges from 0 to 99

Description = Name of the parameter

Type = I: Integer

S: String

Minimum = If the Type is integer, corresponds to Minimum value.

If the Type is String, corresponds to Minimum no of characters.

Maximum = If the Type is integer, corresponds to Maximum value.

If the Type is String, corresponds to Maximum no of characters.

Data = The parameter value to be contained.

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Multitech MultiConnect Adapter Guía de usuario Pagina 98