Sun Microsystems Interface Adapter manual RTS4A

TABLE A-1RS-449 Connector Pin Assignments (Continued)

80-Pin Amp.	RS-449	RS-449
Pin No.	Signal Name	DB-37 Pin No.	Description
65	TxD4(A)	4	Port 4 Transmit Data
66	TxD4(B)	22	Port 4 Transmit Data
67	RTS4(A)	7	Port 4 Request To Send
68	RTS4(B)	25	Port 4 Request To Send
69	TxC4(A)	17	Port 4 Transmit Clock
70	TxC4(B)	35	Port 4 Transmit Clock
71	TxCI4(A)	5	Port 4 Transmit Clock In
72	TxCI4(B)	23	Port 4 Transmit Clock In
73	DCD4(A)	13	Port 4 Data Carrier Detect
74	DCD4(B)	31	Port 4 Data Carrier Detect
75	DSR4(A)	11	Port 4 Data Set Ready
76	DSR4(B)	29	Port 4 Data Set Ready
77	CTS4(A)	9	Port 4 Clear To Send
78	CTS4(B)	27	Port 4 Clear To Send
79	RxC4(A)	8	Port 4 Receive Clock
80	RxC4(B)	26	Port 4 Receive Clock
Shield Ground	SG	1	Port 4 Shield Ground and Signal
			ground

26 Sun PCI High Speed Quad Port Serial Interface Adapter User’s Guide • December 2005