Figure 3-17 j8 pin header -23 – Solvline Eddy Series Ver 2.1a User Manual
Page 48
Chapter 3. Hardware Description
figure 3-17 J8 PIN header
◇ J8 : RS232
Pin
Signal
Description
1
DCD
Data Carrier Detection (Input)
2 RXD
Receive
Data
(Input)
3
TXD
Transmit Data (Output)
4
DTR
Data Terminal Ready (Output)
5 GND
Ground
6
DSR
Data Set Ready (input)
7
RTS
Request to Send (Output)
8
CTS
Clear to Send (Input)
9,10 NC
No
Connection
◇ J8 : RS422 Full Duplex
Pin
Signal
Description
2
RXD+
Receive differential data positive (Input)
3 TXD+
Transmit
differential data positive (Output)
6
RXD-
Receive differential data negative (input)
7
TXD-
Transmit differential data negative (Output)
◇ J8 : RS485 Half Duplex
Pin
Signal
Description
3 TRX+
Transmit/Receive
differential data positive
7
TRX-
Transmit/Receive differential data negative
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