Airlink101 LX60 Hardware User's Manual page 41

Serial Port
Rev. 2 June 2021
9-pin RS232 serial port connects directly to most computers or other
•
devices with a standard serial straight-through cable
Note: If you have a DCE device, you need to use a null modem (cross-over)
cable.
Used for connecting serial devices and configuration
•
Complies with the EIA RS232D specification for DCE equipment
•
Output driver levels swing from -7 VDC to +7 VDC with normal loading
•
5 4 3 2
9 8 7 6
Figure 3-1: DB-9 Female Serial Connector
Table 3-1: Serial Connector Pin-out
Name Pin Description
DCD 1 Data Carrier Detect
RXD 2 Receive Data
TXD 3 Transmit Data
DTR 4 Data Terminal Ready
GND 5 Main GND. Connected internally
to BOARD GND
DSR 6 Data Set Ready
RTS 7 Ready To Send
CTS 8 Clear To Send
RI 9 Not connected
41
1
Specifications
Type
OUT
OUT
IN
IN
GND
OUT
IN
OUT
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