B-6 SPARCstation 5 Service Manual—November 1996
B
B.5 Serial Connector Ports A and B
Figure B-5 Serial Connector
Table B-5 Pinout for Serial Connector Ports A and B
Pin Description Pin Description
1 N/C 14 N/C
2 Transmit Data (TxD) 15 Transmit Clock IN (TRxC)
3 Receive Data (RxD) 16 N/C
4 Request to Send (RTS) 17 Receive Clock (RTxC)
5 Clear to Send (CTS) 18 N/C
6 Data Set Ready (DSR) 19 N/C
7 Signal Ground 20 Data Terminal Ready (DTR)
8 Data Carrier Detect (DCD) 21 N/C
9 N/C 22 N/C
10 N/C 23 N/C
11 N/C 24 Transmit Clock OUT (TRxC)
12 N/C 25 N/C
13 N/C
113
25 14