Caple C871i Manual de usuario descargar pdf (Pagina 473)

Apple II Computer Info

|=====================|=============|================================|

|ON 8 data, 1 stop | ON 32 ms | ON ON 40 columns, video ON |

|OFF 8 data, 2 stop | OFF none | ON OFF 72 columns, video OFF |

| | | OFF ON 80 columns, video OFF |

| | | OFF OFF 132 columns, video OFF|

|_____________________|_____________|________________________________|

____________ Switch Block #2 cont'd __________ _______Handshaking_______

|---------------------|------------------------| |-----------------------|

|---------------------|------------------------| |-----------------------|

|_____________________|________________________| |_______________________|

______________________________ ________________________________________

| Connector Pin Assignments || Jumper Block Wiring |

|------------------------------||----------------------------------------|

| 10 Pin DB-25 Signal || SSC signal MODEM (pin) TERMINAL (pin) |

| Header Connector Name ||----------------------------------------|

|------------------------------|| TXD TXD 2 RXD 3 |

| 1 1 Frame GND || RXD RXD 3 TXD 2 |

| 2 2 TXD || RTS RTS 4 DCD 8 |

| 3 3 RXD || CTS CTS 5 DCD 8 |

| 4 4 RTS || DSR DSR 6 DTR 20 |

| 5 5 CTS || DCD DCD 8 RTS 4 |

| 6 6 DSR || DCD DCD 8 CTS 5 |

| 7 19 SCTS || DTR DTR 20 DSR 6 |

| 8 7 Signal GND ||----------------------------------------|

| 9 20 DTR || Note that RS-232-C signals on the SSC |

| 10 8 DCD || use negative-true logic; that is, they |

|______________________________|| are true at 0v and false at +5 volts |

|________________________________________|

_________________________________________ ______________________

| | | |

| Explanation Of Signals | | Jumper Block |

| ----------------------------------------| |---------------------|

| GND Ground, either Frame or Signal | | MODEM |

| TXD Transmit Data | | ______________ |

| RTS Request To Send | | | /\ | |

| CTS Clear To Send | | | /__\ | |

| DSR Data Set Ready | | |______________| |

| SCTS Secondary CTS | | |

| DTR Data Terminal Ready | | TERMINAL |

| DCD Data Carrier Detect | | (Printer) |

|_________________________________________| |_____________________|

Pins 1-7 and 2-7 are set together to determine the SSC pin to be read

for the Hardware Handshaking signal. Generally set to monitor Pin #20.

Common Configurations: [Don't Forget The JUMPER Block]

Hi Speed Modem ImageWriter I/II

1234567 1234567 1234567 1234567

ON XXXXXX XXXXXX X XX X XX

OFF X X XXX X XX XX

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 473 of 572

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Caple C871i Manual de usuario Pagina 473

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