Intel MI910F user manual FUSB1 USB0/USB1 Connector, COM2

INSTALLATIONS

F_USB1: USB0/USB1 Connector

Signal Name		Pin		Pin	Signal Name
Vcc	1		2		Vcc
D0-	3		4		D1-
D0+	5		6		D1+
Ground	7		8		Ground
NC	9		10		Ground

JP1, JP2, JP3: RS232/422/485 (COM2) Selection COM1 is fixed for RS-232 use only.

COM2 is selectable for RS232, RS-422 and RS-485.

The following table describes the jumper settings for COM2 selection.

COM2	RS-232	RS-422	RS-485
Function
	JP3:	JP3:	JP3:
Jumper	1-2	3-4	5-6
Setting	JP2:	JP2:	JP2:
(pin closed)	3-5 & 4-6	1-3 & 2-4	1-3 & 2-4
	JP1:	JP1:	JP1:
	3-5 & 4-6	1-3 & 2-4	1-3 & 2-4

COM2 is jumper selectable for RS-232, RS-422 and RS-485.

Pin #		Signal Name
	RS-232	R2-422	RS-485
1	DCD	TX-	DATA-
2	RX	TX+	DATA+
3	TX	RX+	NC
4	DTR	RX-	NC
5	Ground	Ground	Ground
6	DSR	RTS-	NC
7	RTS	RTS+	NC
8	CTS	CTS+	NC
9	RI	CTS-	NC
10	NC	NC	NC

MI910 User’s Manual 19