68-Pin Connector

The following figure and table give the pin locations and descriptions of the 68-pin connector.

68-Pin Connector Port

1	2	3	4	5	6	7	8	485 Signal	485 D-Sub 9 Connector	232 Signal	232 D-Sub 9 Connector
66	57	49	40	32	23	15	6	RXD–	5	DCD	1
68	59	51	42	34	25	17	8	CTS+	2	RXD	2
65	56	48	39	31	22	14	5	RTS+	3	TXD	3
64	55	47	38	30	21	13	4	RXD+	4	DTR	4
60	60	43	43	26	26	9	9	GND	1	GND	5
63	54	46	37	29	20	12	3	CTS–	6	DSR	6
62	53	45	36	28	19	11	2	RTS–	7	RTS	7
61	52	44	35	27	18	10	1	TXD+	8	CTS	8
67	58	50	41	33	24	16	7	TXD–	9	RI	9