GW-7238D Quick Start v1.0 Nov. 2011
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Quick Start
Nov. 2011 Version 1.0
Package checklist
The package includes the following items:
One GW-7238D hardware module
One Quick Start
One software utility CD
One screw driver
One RS-232 cable (CA-0910)
Note:
If any of these items are missed or damaged, contact the
local distributors for more information. Save the shipping
materials and cartons in case you want to ship in the future.
Appearance and pin assignments
Table 1: COM Connector Pin Assignment
Pin No.
Name
Description
1
CTS1
CTS pin of COM1 (RS-232)
2
RTS1
RTS pin of COM1 (RS-232)
3
RXD1
RXD pin of COM1 (RS-232)
4
TXD1
TXD pin of COM1 (RS-232)
5
INIT*
Initial pin for enable/disable AUTOEXEC.BAT
6
(Y)D2+
Data+ pin of COM2 (RS-485)
7
(G)D2-
Data- pin of COM2 (RS-485)
8
(R)VS+
V+ of power supply
9
(B)GND
GND of power supply
Table 2: CAN bus Connector Pin Assignment
Pin No.
Name
Description
1
N/A
Not Connected
2
CAN_L
CAN_L bus line (dominant low)
3
N/A
Not Connected
4
CAN_H
CAN_H bus line (dominant high)
5
N/A
Not Connected
