Autocue HPS-120 User Manual
Page 5
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5
2.2. RS-232 Interface
2.2.1. Pin-out
2.2.2. Signals
Pin Number
Signal
Direction
Description
1
DCD
Output
Data Carrier Detect
2 TxD
Output
Transmitted
Data
3 RxD
Input
Received
Data
4
DSR
N/A (Input)
Option: Data Set Ready
(Remark1)
5 GND
N/A
Signal
Ground
6
DTR
Output
Data Terminal Ready
7 CTS
Input
Clear
to
Send
(Remark1)
8 RTS
Output
Request
to
Send
9 Vcc
Input
Power
Supply
Remark1) The default hardware configuration is for using CTS. If you want to use DSR, please
contact us.
2.3. Factory Setting
The following is the factory setting of COM port.
z
Baud rate: 9600 bps
z
Data Bit: 8 bit
z
Parity Bit: No parity
z
Stop Bit: 1 stop bit
z
Flow control: None
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