Wire Operation; Remote Pin-Out, Rs-232 - Murata Hn-210 Manual

3 Wire Operation

If configuration and hardware flow control is not necessary, the HN-210 can be used
in 3-wire mode. In this mode, only Ground, Receive Data and Transmit data are
connected
9 Not Used
8 Clear to Send (CTS)
7 Request to Send (RTS)
6 Data Set Ready (DSR)

Remote Pin-Out, RS-232

Pin Number Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 Not Used
Note: When the HN-210 and HN-210X are used as three wire serial devices, DTR and RTS
do not have to be used.
Copyright © Murata Manufacturing Co., Ltd. All Rights Reserved. 2004
HN-210/210X 01/13/17
RS-232 Interface
Type
Output Data Carrier Detect. For remotes, DCD indicates
that the remote has successfully acquired the
hopping pattern.
Output Output for received serial data.
Input Input Serial Data to be transmitted
Input Data Terminal Ready. Sleep/ wakes radio
transceiver.
- Signal and Chassis Ground
Output Data Set Ready. Response to DTR.
Input Request to Send. Gates the flow of receive data
from the radio to the user on or off. In normal
operation signal should be asserted.
Output Clear to Send. Used to control transmit flow from
the user to the user to the radio. The WIT 2410
radio module supports hardware flow control
only and does not support software flow control
(e.g. Xon-Xoff).
- Not Used
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5 Ground
4 Data Terminal Ready (DTR)
3 Transmit Data (TX)
2 Receive Data (RX)
1 Data Carrier Detect (DCD)
Description
HN210
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