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The Wireless Connectivity Expert
ACT-IR220Li&220LN
User’s Manual
© Copyright 1999-2008 ACTiSYS Corp Page 5
of 10 Apr. 22,2008
Version 1.3.1.1
1. PRODUCT INTRODUCTION
1.1. ACT-IR220LN
No SW Modification required. Single IR speed. You may use exactly the same RS232 protocol
software you have now if you use it on both sides of two communicating devices. You can select one of
the optional IR speeds: 9.6k, 19.2k, 38.4k, 57.6k, 115.2k bps as a factory preset speed for your
application.
1.2. ACT-IR220Li
Replace RS232 serial wires on embedded systems without using IrDA
®
protocol and with self-
programmable speed selection in user’s own application software. This is a direct replacement for
ESI9680 in level mode.
61.8 mm
35.6 mm
18.7 mm
35.6 mm
100 cm
2. CONNECTOR PIN DEFINITION
Signal Name Pin Number Signal Description
DCD 1 Not Connected
Rx 2 Data transmitted from IR dongle to PC
Tx 3 Data transmitted from PC to IR dongle
DTR 4 Supplies power and selects baud rate
GND 5 Signal Ground
DSR 6 Not Connected
RTS 7 Supplies power and selects baud rate
CTS 8 Not Connected
RI 9 Not Connected