Quectel UC15 MUX User Manual
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Contents
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UMTS/HSPA Module SeriesUC15 MUX User GuideUC15_MUX_User_Guide Confidential / Released 27 / 35Module is waked upModule is waked up Module is sleepModule is sleepWake upWake upSend PSC response &ready to sleepSend PSC response &ready to sleepYESYESYESYES YESYESModule is in MUX statusModule is in MUX statusChange RIChange RICall, ShortMessage…Call, ShortMessage…Is AP Ready functionworking?Is AP Ready functionworking?Output dataOutput dataIs AP_READY pinvalid?Is AP_READY pinvalid?YESYESYESYESIs PSC frame?Is PSC frame?YESYESData from HostData from HostDTR from HIGH toLOW?DTR from HIGH toLOW?DTR changeDTR changeNONONONOFigure 4: Power Saving Flow Chart (2)5.2.1. Host Enables Module to Enter into Power Saving ModeIf the module is not in power saving mode, Host can trigger it into power saving mode through thefollowing procedure:1. Configure the AT commands mentioned in Table 9.2. Ensure the module is not in the following sate: There is command waiting for execution or reply. Module is still in service, e.g., in data connection, messaging sending, call incoming or onlinecall.3. Send PSC frame to module, and wait for response.4. Set hardware flow control. Set the Host RTS to disable data receiving. If hardware flow control isdisabled, then ignore this step.5. Set AP_READY pin as invalid. If it is disabled, then ignore this step.QuectelConfidential |
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