Sun Microsystems Interface Adapter User Manual
Page 45
Appendix A
Cable Pin Assignments & Signals
25
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
TABLE A-1
RS-449 Connector Pin Assignments (Continued)
80-Pin Amp.
Pin No.
RS-449
Signal Name
RS-449
DB-37 Pin No.
Description