5/15/2016 12:49 PM | |
Posts: 2 Rating: (0) |
may i connect gsm modem SIM900A with with ts adaptor ii , my gsm modem have only 3 pins of rs232 tx , rx and ground ! as i connect the serial port rs232 of ts adaptor ii with pc serial and monitor it it send some at command after sending some commands SF (group error ) led lit but when i connect with GSM ! there is no respond ! so please tell me as rs232 serial of ts adaptor ii required all connection with GSM module or only 3 pins (tx, rx and GND) can configure the device ! thankx please help me its my university mini project ------------------------------------------------------------------------------------------ |
Last edited by: yousaf zai at: 5/15/2016 12:55:12 PMGSM modem pic as i use for interfacing with ts adaptor ii Last edited by: Min_Moderator at: 5/17/2016 3:13:02 PMNew subject after splitting |
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5/18/2016 8:06 AM | |
Joined: 9/16/2013 Last visit: 5/21/2024 Posts: 199 Rating: (23) |
have you set the same Baud rate at ts-Adapter and modem? because if they differ they can't talk. helpful link: https://support.industry.siemens.com/cs/ww/en/view/1096710 |
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