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24 Sun PCI High Speed Quad Port Serial Interface Adapter User’s Guide • December 2005
10 TxC1(B) 35 Port 1 Transmit Clock
11 TxCI1(A) 5 Port 1 Transmit Clock In
12 TxCI1(B) 23 Port 1 Transmit Clock In
13 DCD1(A) 13 Port 1 Data Carrier Detect
14 DCD1(B) 31 Port 1 Data Carrier Detect
15 DSR1(A) 11 Port 1 Data Set Ready
16 DSR1(B) 29 Port 1 Data Set Ready
17 CTS1(A) 9 Port 1 Clear To Send
18 CTS1(B) 27 Port 1 Clear To Send
19 RxC1(A) 8 Port 1 Receive Clock
20 RxC1(B) 26 Port 1 Receive Clock
Shield Ground SG 1 Port 1 Shield Ground and Signal
Ground
21 RxD2(A) 6 Port 2 Receive Data
22 RxD2(B) 24 Port 2 Receive Data
23 DTR2(A) 12 Port 2 Data Terminal Ready
24 DTR2(B) 30 Port 2 Data Terminal Ready
25 TxD2(A) 4 Port 2 Transmit Data
26 TxD2(B) 22 Port 2 Transmit Data
27 RTS2(A) 7 Port 2 Request To Send
28 RTS2(B) 25 Port 2 Request To Send
29 TxC2(A) 17 Port 2 Transmit Clock
30 TxC2(B) 35 Port 2 Transmit Clock
31 TxCI2(A) 5 Port 2 Transmit Clock In
32 TxCI2(B) 23 Port 2 Transmit Clock In
33 DCD2(A) 13 Port 2 Data Carrier Detect
34 DCD2(B) 31 Port 2 Data Carrier Detect
35 DSR2(A) 11 Port 2 Data Set Ready
36 DSR2(B) 29 Port 2 Data Set Ready
37 CTS2(A) 9 Port 2 Clear To Send
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