
©2005 Cypress Computer Systems, Inc. 9/20/05 WDG-5912 Connection Diagram V1.00 2
Standard WDG-5912 Connections
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation.
To Computer USB
port or USB Hub
Supply Voltage: 5 Vdc from USB Interface
Supply Current: 100mA
Readers requiring 100mA or greater current
or greater than 5 VDC will require an
external supply.
2 RXD (Data In)
3 TXD (Data Out)
5 GND
9 + 5VDC Out
The RS-232 port is set
for 9600 Baud, 8,N,1.
All printable ASCII data
received from the port will
be sent to the USB keyboard
output.
The RS-232 port also
provides the programming
interface for the wedge.
Refer to programming manual
for details.
DB-9 Connections to
standard PC Com Port
DB9-2
DB9-3
DB9-3
DB9-2
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