Samsung SyncMaster 550DX - Cable Connections

Remote Control (RS232C)
Cable connections
interface RS232C(9 pin)
pin TxD(No.2) RxD(No.3) GND(No.5)
Bits rate 9600 bps
Data Bits 8 bit
Parity None
Stop Bits 1 bit
Flow control None
Maximum length 15 m (only shielded type)
• Pin assignment
Pin Signal
1 Data Carrier Detect
2 Received Data
3 Transmitted Data
4 Data Terminal Ready
5 Signal Ground
6 Data Set Ready
7 Request to Send
8 Clear to Send
9 Ring Indicator
• RS232C cable
Connector : 9-pin D-Sub
Cable : Cross (reversed) cable
-P1- -P1- -P2- -P2-
FEMALE Rx 2 ---------> 3 Rx FEMALE
Introduction