SM-01 connector pin description

DHR-26F (female)
Pin	V.35 Signal Name	RS-232 Signal Name	Direction
7	-	RXD	Input
2	RXD-a	-	Input
20	RXD-b	-	Input
9	-	TXD	Output
13	TXD-a	-	Output
12	TXD-b	-	Output
22	-	RXCIN	Input
1	RXCIN-a	-	Input
11	RXCIN-b	-	Input
14	-	TXCIN	Input
19	TXCIN-a	-	Input
10	TXCIN-b	-	Input
23	-	RXCOUT	Output
26	RXCOUT-a	-	Output
16	RXCOUT-b	-	Output
24	-	TXCOUT	Output
15	TXCOUT-a	-	Output
6	TXCOUT-b	-	Output
17	DTR	DTR	Output
18	DSR	DSR	Input
8	RTS	RTS	Output
5	CTS	CTS	Input
4	DCD	DCD	Input
21	IF-TYPE *		Input
3	GND		-
25	CGND		-

*	-	must be connected to pin 3 (GND) for RS-232 interface type
		must be unconnected for V.35 interface type

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