Interface Adapter User's Guide

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