Samsung SRP270AP, SRP270CPG user manual Fgnd

SRP-270

2-2-2 Serial Interface (RS-485)

ON RS-232 Ver.2

Interface Connector	Drawer kick-out	Power supply
	connector	connector

※When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other.

Printer Side Host Side

Pin No.	Signal Name		Direction	Function
1	FGND	-		Frame Ground
2	SD2		Output	Send Data
3	SD1		Output
4	RD2		Input	Receive Data
5	RD1		Input
7	SGND	-		Signal Ground
8	DR2		Output	Same as DTR(RS-232)
9	DR1
10	CS2		Input	Same as DSR(RS-232)
11	CS1

Rev. 1.00 - 12 -