Rs-232c cable connection, Rs-485 cable connection, Interface connector – Samsung SRP-350 User Manual
Page 28
Advertising
54
RS-232C Cable Connection
RS-485 Cable Connection
55
Interface Connector
Serial Interface (RS-232)
Pin No. Signal name
Direction Function
1 FG
- Frame
Ground
2 TxD
Output
Transmit
Data
3 RxD
Input
Receive
Data
4
RTS
Output
Ready To Send
5
CTS
Input
Clear To Send
6
DSR
Input
Data Set Ready
7 SG
- Signal
Ground
20
DTR
Output
Data Terminal Ready
Serial Interface (RS-485)
Pin No.
Signal Name Direction Function
1 FGND - Frame
Ground
2 SD2
Output
3 SD1
Output
Send Data
4 RD2
Input
5 RD1
Input
Receive Data
7 SGND - Signal
Ground
8
9
DR2
DR1
Output
Same as DTR(RS-232)
10
11
CS2
CS1
Input
Same as DSR(RS-232)
Advertising