Delphi Gateway Systems Analysis INterface Tool (SAINT) manual Overview, Page 4 of, Saint, 01/20/04

SAINT

Keyword 2000 to RS-232 Gateway

01/20/04

Page 4 of 20

2 Overview

This document describes the operation of the Keyword 2000 to RS-232 Gateway. The gateway is often referred to as the “SAINT gateway” or simply “SAINT”.

The following is synopsis of gateway features:

∙Allows host system to communicate on Keyword 2000 bus.

∙Performs timing, access, arbitration, serialization, and error control.

∙Configuration via host to gateway messages.

∙LED status indicator array:

1.Power LED (flashing LED)

2.Bus Message LED (toggles upon receiving a valid bus message)

3.Message Trigger LED (toggles upon receiving a specified byte pattern)

∙Gateway to host status / error messages.

∙Software is easily updated via a flash connector. Will eventually be done through the USB bus.

The following is a synopsis of requirements for use of the gateway:

Connection to power, ground, and busses to be monitored

RS-232 connection to host