RS-232 WIRELESS BRIDGE USER’S MANAUL REV. 02
5
The mechanical dimensions for the Wireless Bridge are shown in Figure 1. The mechanical dimensions
are shown with the optional DIN rail mount bracket which is not included with the standard part
number. Mechanical data for the antenna is not shown.
Pinout and Wiring
The pinout follows the standard RS-232 Data Communications Equipment (DCE) device. Signal names
for RS-232 are defined from the standpoint of a Data Terminal Equipment (DTE) device. The signal
named Receive Data is an output from the RS-232 Wireless Bridge and the signal named Transmit Data is
an input. Not all RS-232 signals are implemented on the Wireless Bridge. Only Transmit Data, Received
Data and Ground are required for basic function. The DTR input may be used to control the pin sleep
function on the internal radio for reduced power draw.
Wireless Bridge DB9 RS232 DCE Pinout
PIN
Name
Direction
1
Carrier Detect (DCD)
Not Used
2
Receive Data (RD)
Output
3
Transmit Data (TD)
Input
4
Data Terminal Ready (DTR)
Input
5
Ground (GND)
Signal Ground
6
Data Set Ready (DSR)
Not Used
7
Request to Send (RTS)
Not Used
8
Clear to Send (CTS)
Not Used
9
Ring Indicator (RI)
Not Used
Fig 2. DB9 Pinout
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