Compsee Apex III, Technical Reference Manual

Page: 21 / 168

Apex PDT Technical Reference Manual 3 Hardware Configuration
COAM30002 Rev. 2.00 8/13/02
3-1
3 HARDWARE CONFIGURATION
Associated Pinouts
The Apex Portable Data Collection Terminal (PDT) comes standard
with an onboard RS-232 connector located within the unit on the
main circuit board. The connector is an 8-pin Molex connector
(Molex 53261-0890, see Figure 3-2) located to the left of the unit’s
DIP switches. To access this connector you must first remove the
unit’s End Cap. Installation of the optional Serial End Cap
eliminates the need for removing the standard End Cap to access the
internal RS-232 port. This allows the connection to be made with a
10-pin phone type connection on the exterior of the unit (refer to the
Apex PDT User’s Manual and the Serial End Cap Installation And
Operating Instructions for additional details).
1 10
Pin # Description
1 +5 V (Out – see *Note and Figure 3-5, p. 3-3)
2 RXD (In)
3 TXD (Out)
4 DTR (Out)
5 GND
6 Not Used
7 RTS (Out)
8 CTS (In)
9 Not Used
10 Not Used
Figure 3-1: Serial End Cap Connector Pinout Illustration
(Looking Into Connector)
* Note: Nominal 400 mA simultaneous total current output to
Wand Port and RS-232 port.