![Sun Microsystems Ultra 5 Скачать руководство пользователя страница 193](http://html1.mh-extra.com/html/sun-microsystems/ultra-5/ultra-5_service-manual_1392603193.webp)
Appendix B
Signal Descriptions
B-7
B.4
Serial Port A Connector
The serial port A connector is a DB-25 type connector located on the motherboard
back panel. The serial port A connector provides both synchronous and
asynchronous serial communications. The following figure illustrates the serial port
A connector configuration and the following table lists the pin assignments.
FIGURE B-4
Serial Port A Connector Pin Configuration
TABLE B-5
Serial Port A Connector Pin Assignments
Pin
Signal
Description
1
NC
Not connected
2
TXD_A
Transmit data A
3
RXD_A
Receive data A
4
RTS_A
Read to send A
5
CTS_A
Clear to send A
6
DSR_A
Data set ready A
7
Gnd
Signal ground
8
DCD_A
Data carrier detect A
9
NC
Not connected
10
NC
Not connected
11
NC
Not connected
12
NC
Not connected
13
NC
Not connected
14
NC
Not connected
13
1
14
25
A
Содержание Ultra 5
Страница 12: ...xii Sun Ultra 5 Service Manual February 2000...
Страница 16: ...xvi Sun Ultra 5 Service Manual February 2000 FIGURE C 20 JP1 JP2 Jumper Settings for the Flash PROM C 39...
Страница 40: ...1 2 Sun Ultra 5 Service Manual February 2000 FIGURE 1 1 Ultra 5 System Monitor System Keyboard Mouse...
Страница 46: ...1 8 Sun Ultra 5 Service Manual February 2000...
Страница 72: ...3 24 Sun Ultra 5 Service Manual February 2000...
Страница 102: ...4 30 Sun Ultra 5 Service Manual February 2000...
Страница 112: ...5 10 Sun Ultra 5 Service Manual February 2000...
Страница 168: ...8 22 Sun Ultra 5 Service Manual February 2000...
Страница 186: ...A 10 Sun Ultra 5 Service Manual February 2000...
Страница 246: ...D 6 Sun Ultra 5 Service Manual February 2000...