general motors global electrical architecture (global a)
and global diagnostic hardware & software
gm全球电气构架（global a)与诊断硬件与软件
global diagnostic system - gds
全球诊断系统
&
multiple diagnostic interface – mdi
多功能诊断仪
mdi and gds background背景介绍
mdi is an interface between the vehicle dlc and a pc
(by wired usb, wired ethernet, wireless ethernet) and tis2web.
mdi通过usb，有线或无线网络将车辆dlc，pc与tis2web 三者互连。
tis2web，gds，sps和mdi管理软件协同使用
mdi + gds + correct spec pc will replace tech2 on new programs, starting with sgm buick regal and chevrolet cruze.以sgm别克regal和雪佛兰cruze项目作为新一代诊断仪使用的开始
diagnostic tool strategy
hardware and software
诊断软硬件
mdi+pc+gds software +mdi software+ tis2web+sps
global a electrical architecture – requires
why?
- tech2+candi cannot handle
medium speed and expansion
bus
tech2+candi不能处理中速与扩展总线
necessary for new technology
and support
tech2已使用15年，需要升级以支持不断发展的新技术
gm mdi el-47955 hardware and software
dimensions:
6.6 x 4.5 x 1.5 in. /
167 x 114 x 38 mm
weight: 1lb. / 454 g
32bit arm processor
520mhz
128m sdram
512m mass storage
ac/dc power supply
vehicle interface
usb cable
ethernet cable
aaa batteries
wifi ieee 802.11b/g
mdi manager
尺寸：
6.6 x 4.5 x 1.5英寸/ 167 x 114 x 38 毫米
重量：454克
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