Sun Microsystems Interface Adapter manual Appendix a Cable Pin Assignments & Signals

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

80-Pin Amp.	RS-449	RS-449
Pin No.	Signal Name	DB-37 Pin No.	Description
38	CTS2(B)	27	Port 2 Clear To Send
39	RxC2(A)	8	Port 2 Receive Clock
40	RxC2(B)	26	Port 2 Receive Clock
Shield Ground	SG	1	Port 2 Shield Ground and Signal
			ground
41	RxD3(A)	6	Port 3 Receive Data
42	RxD3(B)	24	Port 3 Receive Data
43	DTR3(A)	12	Port 3 Data Terminal Ready
44	DTR3(B)	30	Port 3 Data Terminal Ready
45	TxD3(A)	4	Port 3 Transmit Data
46	TxD3(B)	22	Port 3 Transmit Data
47	RTS3(A)	7	Port 3 Request To Send
48	RTS3(B)	25	Port 3 Request To Send
49	TxC3(A)	17	Port 3 Transmit Clock
50	TxC3(B)	35	Port 3 Transmit Clock
51	TxCI3(A)	5	Port 3 Transmit Clock In
52	TxCI3(B)	23	Port 3 Transmit Clock In
53	DCD3(A)	13	Port 3 Data Carrier Detect
54	DCD3(B)	31	Port 3 Data Carrier Detect
55	DSR3(A)	11	Port 3 Data Set Ready
56	DSR3(B)	29	Port 3 Data Set Ready
57	CTS3(A)	9	Port 3 Clear To Send
58	CTS3(B)	27	Port 3 Clear To Send
59	RxC3(A)	8	Port 3 Receive Clock
60	RxC3(B)	26	Port 3 Receive Clock
Shield Ground	SG	1	Port 3 Shield Ground and Signal
			Ground
61	RxD4(A)	6	Port 4 Receive Data
62	RxD4(B)	24	Port 4 Receive Data
63	DTR4(A)	12	Port 4 Data Terminal Ready
64	DTR4(B)	30	Port 4 Data Terminal Ready

Appendix A Cable Pin Assignments & Signals 25