Программа Сервисный Центр
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Modem (9-25)

This cable should be used for DTE to DCE (for instance computer to modem) connections with hardware handshaking.

9 PIN D-SUB FEMALE (To Computer).
25 PIN D-SUB MALE (To Modem).

9 PIN D-SUB FEMALE to the Computer
25 PIN D-SUB MALE to the Modem

  Female Male Dir
Shield   1 ---
Transmit Data 3 2 -->
Receive Data 2 3 <--
Request to Send 7 4 -->
Clear to Send 8 5 <--
Data Set Ready 6 6 <--
System Ground 5 7 ---
Carrier Detect 1 8 <--
Data Terminal Ready 4 20 -->
Ring Indicator 9 22 <--
 
Nullmodem (9-25)

Use this cable between two DTE devices (for instance two computers).

9 PIN D-SUB FEMALE (To Computer 1).
25 PIN D-SUB FEMALE (To Computer 2).

9 PIN D-SUB FEMALE to Computer 1.
25 PIN D-SUB FEMALE to Computer 2.

D-Sub 9 D-Sub 25
Receive Data 2 2 Transmit Data
Transmit Data 3 3 Receive Data
Data Terminal Ready 4 6+8 Data Set Ready + Carrier Detect
System Ground 5 7 System Ground
Data Set Ready + Carrier Detect 6+1 20 Data Terminal Ready
Request to Send 7 5 Clear to Send
Clear to Send 8 4 Request to Send

Note: DSR & CD are jumpered to fool the programs to think that they are online.

 
Two-Wire Modem (9-25)

This cable should be used for DTE to DCE (for instance computer to modem) connections without hardware handshaking.

9 PIN D-SUB FEMALE (To Computer).
25 PIN D-SUB MALE (To Modem).

9 PIN D-SUB FEMALE to the Computer
25 PIN D-SUB MALE to the Modem

Female Male Dir
Shield Ground 1
Transmit Data 3 2 -->
Receive Data 2 3 <--
System Ground 5 7
Jumper these:
Request to Send 7 -->
Clear to Send 8 <--
Data Set Ready 6 <--
Carrier Detect 1 <--
Data Terminal Ready 4 -->
Request to Send 4 -->
Clear to Send 5 <--
Data Set Ready 6 <--
Carrier Detect 8 <--
Data Terminal Ready 20 -->
 
Serial Printer (9-25)

Use this cable between two a computer (DTE) and a printer (DTE) devices.

9 PIN D-SUB FEMALE (To Computer).
25 PIN D-SUB FEMALE (To Printer).

9 PIN D-SUB FEMALE to Computer.
25 PIN D-SUB FEMALE to Printer.

D-Sub 1 D-Sub 2
Receive Data 3 3 Transmit Data
Transmit Data 2 2 Receive Data
Clear To Send + Data Set Ready 8 + 6 20 Data Terminal Ready
Carrier Detect + Data Terminal Ready 1 + 4    
Ground 5 7 Ground
 
Обратная связь

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Опросы

Есть ли справедливость в жизни?
Конечно есть, уверен!
Вроде как должна быть, но...
Затрудняюсь ответить...
Какая справедливость? О чем Вы?
Эх.., нет правды на свете!

 

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