Section 2. excella architecture and operation, Igure, Xcella – MagTek Excella Windows API99875313 User Manual

Page 11: Rchitecture

SECTION 2. EXCELLA ARCHITECTURE AND OPERATION

The architecture of the system is shown in Figure 2-1. Descriptions of the terms and operations
used follow the illustration.

Figure 2-1. Excella Architecture

COMPUTER

EXCELLA DEVICE

CONNECTED VIA USB

Wininet.dll

‘C’ API to xfer data to a web

XML to Key/Value and vice versa

Application

Excella Image API

MSXML

‘C’ API

USB Protocol

USB Protcol

HTTP: XML

Microsoft Network Stack

RNDIS over USB drivers

USB Driver

Magtek RNDIS Layer

Network Layer TCP/IP

WEB Server

( HTTP and XML

parser)