Figure B-7 Serial Connector; Table B-7 Pinout For Serial Connector - Sun Microsystems SPARC classic Service Manual

TABLE B-6
Pin
23
24
25
Note – Pin 38 is +5V, fused and supplied by a schottkey diode.
B.7 Serial Connector
13
25
FIGURE B-7
TABLE B-7
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Pinout for External SCSI Connector (Continued)
Description
Ground
Ground
Ground
14
Serial Connector
Pinout for Serial Connector
Description
N/C
A Transmit Data
A Receive Data
A Request to Send
A Clear to Send
A Data Set Ready
Signal Ground
A Carrier Detect
N/C
N/C
B Data Terminal Ready
B Carrier Detect
B Clear to Send
Pin Description
48 cd*
49 req*
50 io*
1
Pin Description
14 B Transmit Data
15 A Transmit Clock (DCE source)
16 B Receive Data
17 A Receive Clock
18 B Transmit Clock (DCE source)
19 B Request to Send
20 A Data Terminal Ready
21 N/C
22 N/C
23 N/C
24 A Transmit Clock (DTE source)
25 B Transmit Clock (DTE source)
Appendix B System Connectors B-7