Drew Technologies AVIT Panduan Memulai Cepat - Halaman 5
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Halaman Cetak
Getting to Know AVIT
AVIT supports all modern heavy duty vehicle diagnostic protocols including: J1850VPW,
J1850PWM, CAN, ISO 15765, J1708 and J1939.
Your package includes the AVIT hardware and two types of Ethernet cables. The vehicle
interface cable is not included. The AVIT vehicle interface is the standard heavy truck 15 pin
DSUB connector.
Connectors and Status Indicators
Front Panel
Connections to Ethernet, USB host and RS232 are available on the front panel.
There are 4 status lights on the front panel of AVIT. For all new or upgraded units (v2.0.2 and
later), these status lights are useful for troubleshooting the AVIT's connection to a PC.
The yellow warning light indicates that AVIT is communicating with the vehicle. Do not
disconnect while this is illuminated! If you interrupt a reflash while the vehicle's ECU is blank
or only partially programmed, the module may be unrecoverable. Refer to Table 1 for a
description of the other status lights.
Light
Top left
Power
Top right
Network
Bottom left
Vehicle
Bottom right
Fault
4
Figure 1: AVIT front panel
Table 1: Status lights on the front panel of AVIT
Description
Power (Solid Green)
Green indicates a good connection directly to a PC or an
existing Ethernet network or to an existing wireless access
point.
Yellow warns that AVIT is talking to a vehicle. Blinks to
indicate activity on the vehicle's network.
Red indicates a momentary network fault or a serious
hardware failure. Please call technical support for assistance.