 Разработка, производство и продажа радиоэлектронной аппаратуры  |
Требуется программист в Зеленограде
- обработка данных с датчиков; ColdFire; 40 тыс. e-mail:jobsmp@pochta.ru |
1.1. Connect modem to PC from COM-port and switch it on.
1.2. Start HyperTerminal with parameters: COMx-9600-8-N-1-no flow control, terminal program must be configured to not show sent characters (without echo).
1.3. Check modem connection: Write at Terminal window “AT” +ENTER. Modem must answer “OK”. If you don’t see what you type on keyboard, write “ATE1”+ENTER in blind mode.
1.4. Write “AT&D0” +ENTER. Modem response “OK”. It is configured to ignore DTR.
1.5. Write “AT&K0” +ENTER. Modem response “OK”. It is configured to ignore errors.
1.6. Write “AT&R1” +ENTER. Modem response “OK”. It is configured to disable RTC/control.
1.7. Write “AT\N1”+ENTER. Modem response “OK”. It is configured without using modem buffers.
1.8. Write “ATS0=2”+ENTER. Modem response “OK”. It configuring autoanswer mode (hang up after 2 rings).
1.9. Write “ATE0” +ENTER. Modem response “OK”. It is configured to disable echo.
1.10. Write “AT&W0”+ENTER. Important! Modem doesn’t send echo, be careful. Modem store current configuration at modem-profile #0 and gives response “OK”.
1.11. Write “AT&Y0”+ENTER. Modem response “OK”. The modem will use profile #0.
1.12. Modem LEDs: RD-OFF, TD-OFF, CD-OFF, OH-OFF, AA-ON, HS-OFF, DTR-ON, MR-ON, PWR-ON
1.13. Switch off modem and switch it on again. LEDs lights as above. Send AT+ENTER command (echo missing)/ Modem response “OK”.
2. Device configuration
2.1. Turn ON device.
2.2. Press “Enter” and “Ltr” to open menu.
2.3. Select Option by Up and Down keys.
2.4. Press Enter.
2.5. Check initialization string. It must be “E0&K0&D0&R1&Q5S0=2”.
2.6. Exit menu pressing A+B button.
