Quectel UC15 MUX User Manual
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UMTS/HSPA Module SeriesUC15 MUX User GuideUC15_MUX_User_Guide Confidential / Released 34 / 35synchronization has been resetto normal0D 67 F9 F9 25 EF0D 0D 0A 4F 4B0D 0A 8A F91. UC15 does not initiative to send sync flags (F9), even though MS receives error frames.2. While UC15 module is not in power saving mode and receives more than 2 sync flag, module willsend only 3 sync flags to TE, even if it receives more than 3 sync flays.3. While UC15 module is in power saving mode, module will send the number of sync flags (F9)received from TE.6.7. Closing Down MultiplexersNo Step Data Direction Hex Comment1TE sends DISC frame to request forclosing down DLC 1 TE→MS F9 07 53 01 3f F9MS feeds back UA frame to accept TE←MS F9 07 73 01 15 F92TE sends DISC frame to request forclosing down DLC 2 TE→MS F9 0b 53 01 B8 F9MS feeds back UA frame to accept TE←MS F9 0b 73 01 92 F93TE sends DISC frame to requestfor closing down DLC 3 TE→MS F9 0f 53 01 3f F9MS feeds back UA frame to accept TE←MS F9 0f 73 01 15 F94TE sends DISC frame to request forclosing down DLC 4 TE→MS F9 13 53 01 3f F9MS feeds back UA frame to accept TE←MS F9 13 73 01 15 F95TE sends CLD message frame torequest for closing down multiplexerthrough DLC 0TE→MS F9 03 EF 05 C3 01F2 F9MS feeds back CLD response toaccept TE←MS F9 03 EF 05 C1 01F2 F96 By now, closing down procedure isoverNOTESQuectelConfidential |
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