Eicon Networks C2x Family manual The V.24 DCE Interface, V.24 DCE Interface Signals, Pin #, Name

The V.24 DCE Interface

A pin-out diagram for the V.24 DCE interface is shown in Figure 6. The signal definitions and names are listed in Table 3.

P G N D	1	14
TXD
RXD		TCLK
RTS
		RCLK
CTS
DSR		TEST
S G N D		DTR

DCD	RLB
	RI
	DTECLK
	TI
	25
	13

Figure 6. V.24 DCE Interface

Pin #	Signal	Name	Direction	CCITT #
1	PGND	Protective Ground	Common	101
2	TXD	Transmit Data	Output	103
3	RXD	Receive Data	Input	104
4	RTS	Request to Send	Output	105
5	CTS	Clear to Send	Input	106
6	DSR	Data Set Ready	Input	107
7	SGND	Signal Ground	Common	102
8	DCD	Data Carrier Detect	Input	109
15	TCLK	Transmit Clock (DCE)	Input	114
17	RCLK	Receive Clock	Input	115
18	TEST	Local Loopback Activation	Output	141
20	DTR	Data Terminal Ready	Output	108
21	RLB	Remote Loopback	Output	140
22	RI	Ring Indicator	Input	125
24	DTECLK	Transmit Clock (DTE)	Output	113
25	TI	Test Indicator	Input	142

Table 3. V.24 DCE Interface Signals

14 The V.24 DCE Interface