Interface Connector - Samsung SRP - 350 Operator's Manual

Interface Connector

Serial Interface(RS-232)
Pin No. Signal
name
1 FG
2 TxD
3 RxD
6 DSR
7 SG
20 DTR
Serial Interface(RS-485)
Pin No. Signal Name
1 FGND
2 SD2
3 SD1
4 RD2
5 RD1
7 SGND
8 DR2
9 DR1
10 CS2
11 CS1
Direction Function
- Frame Ground
Output Transmit Data
Input Receive Data
Input Data Set Ready
- Signal Ground
Output Data Terminal Ready
Direction Function
- Frame Ground
Output
Send Data
Output
Input
Receive Data
Input
- Signal Ground
Output Same as DTR(RS-232)
Input Same as DSR(RS-232)
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