Cirronet HopNet 10 Series, Руководство пользователя

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HN-3010 Base/Remote
800281 Rev. B HopNet Family of Products 31
Remote Pin-Out, RS-232
Pin Number Signal Type Description
1 TXD Input
•
Input Serial Data to be transmitted
2 RTS 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.
3 RXD Output
•
Output for received serial data.
4 DSR Output
•
Data Set Ready. Response to DTR.
5 CTS 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).
6 DTR Input
•
Data Terminal Ready. Sleep/ wakes radio
transceiver.
7 DCD Output
•
Data Carrier Detect. For remotes, DCD
indicates that the remote has successfully
acquired the hopping pattern.
8 VCC -
•
Positive Supply
•
+7.5V minimum
•
+24V maximum
9 GND -
•
Signal and Chassis Ground