DCE

DCE - RS-232 to TTL

• RS-232 to TTL converter
• The DCE (peripheral) has the female.

DTE (reference)

• The DTE (PC) has the male connector

Pin	SIG.	Signal Name		DTE (PC)
1	DCD	Data Carrier Detect	in
2	RXD	Receive Data		in
3	TXD	Transmit Data		out
4	DTR	Data Terminal Ready	out
5	GND	Signal Ground		-
6	DSR	Data Set Ready		in
7	RTS	Request to Send		out
8	CTS	Clear to Send		in
9	RI	Ring Indicator		in

H1 Connector

• Signal referenced to H1 connector

1. GND
2. RTS (out)
3. VCC
4. RX (in)
5. Tx (out)
6. CTS (in)

DeE Assembly Sheet

• DCE Assembly Sheet