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Chapter 18 – Sleep Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 107
Chapter 18 – Sleep Commands
(Not for IP and GPS Builds)
Wavecom 32kHz Sleep Mode +W32K
Description: This specific command allows the 32kHz sleep mode to be enabled or disabled. When sleep
mode is entered, the product uses a 32kHz internal clock during inactivity stages.
Syntax: Command syntax: AT+W32K=<mode>
Command Possible Responses
AT+W32K=<mode>[,<DTR Used>] OK
AT+W32K?
Note: Disable 32kHz sleep mode
+W32K: 1,0
OK
AT+W32K=? +W32K: (0-1),(0-1)
OK
Values: <mode>
0 Disable 32kHz sleep mode
1 Enable 32kHz sleep mode
<DTR Used>
0 DTR cannot be used to wake up the modem
1 DTR can be used to wake up the modem. DTR high wakes up the modem. DTR low puts
the modem to sleep.
Notes: The modem will not go to sleep if any of the following conditions are true:
• The modem is not registered to the network. If it has stopped searching for a network due
to a UOOS timeout, the modem will go to sleep.
• The modem is in the middle of an NV Backup.
• DTR is asserted, and it has been enabled as a sleep control (AT+W32K=1,1).
• QXDM is running and is connected to the modem.
• The modem is in a call state other than idle.
• Deep Sleep mode is disabled; i.e., AT+W32K=1 has not been issued.
• USB is connected.
• Note that if QXDM was running before USB is disconnected, the modem will not go to
sleep. QXDM must be closed before disconnecting USB.
• The modem can take up to a minute to enter sleep after the +W32K command is issued.
This can occur when it is in the middle of GPS processing such as GPS demodulation.
The modem will wake up from sleep when any of the following conditions are true.
• Plugging in a USB cable will cause the modem to exit deep sleep.
• An incoming call can wakeup the modem from deep sleep. All peripherals (i.e., UARTs,
USB, GPS, etc.) are available while the call is up. Once the call hangs up, the modem will
go back to deep sleep and all peripherals will shutdown.
• The UART is connected and the DTR pin is asserted (if AT+W32K=1,1 was issued).
• In deep sleep, unsolicited messages are not buffered and will be discarded. If real-time
notifications of events are needed, the Ring Indicator can be used. After the modem
wakes up, new unsolicited messages will be received.
- CDMA-C1 AT Commands 1
- Contents 3
- Chapter 1 – Introduction 7
- Chapter 2 – AT Commands 8
- Overview 8
- Command Types 9
- Command Format and Syntax 9
- Input Command Syntax 10
- Other Syntax 10
- Output Response Syntax 10
- Parameter Defaults 10
- Unsolicited Message Syntax 11
- Attention AT 12
- Repeat Last Command A/ 12
- Echo E 12
- Bits +WUSLMSK 13
- Chapter 4 – Identification 15
- Commands 15
- Chapter 5 – Query Commands 17
- Chapter 6 – Global 18
- Configuration Commands 18
- Save Configuration &W 19
- Chapter 7 – Status Commands 20
- Chapter 8 – Communication 26
- Set Diagnostic Port +WDMX 27
- Set DCD Signal &C 27
- Set DTR Signal &D 28
- Set DSR Signal &S 28
- Automatic Answer S0 30
- Command Edit Character S5 31
- Chapter 9 – Call Control 33
- Hang-Up Command H 34
- Answer a Call A 34
- Incoming Call +RING 35
- Emergency Mode +WSOS 37
- Call Answered +WANS 38
- Call Connected +WCNT 38
- Call Ended +WEND 39
- Call Originated +WORG 40
- CPHS Command +CPHS 40
- Call Forwarding +CCFC 42
- Send DTMF Tones +VTS 44
- Chapter 10 – Network Service 45
- Signal Quality +CSQ 46
- Band Preference +WBND 49
- Service Indication +WSRV 50
- Roam Preference +WRMP 50
- Default Cell Band +WDCB 51
- Roaming Indication +WROM 51
- Chapter 11 – Provisioning 54
- Control Commands 54
- Excess SPC Failures +WLCK 55
- Download PRL +DPRL 56
- Commit Changes +WCMT 58
- Set IMSI +WIMI 58
- Slot Cycle Index +WSCI 60
- SID and NID +WSID 60
- Chapter 12 – OTASP / OTAPA 61
- Commit Successful +WOTC 62
- SPL Unlocked +WOTS 62
- NAM Download OK +WOTN 62
- MDM Download OK +WOTM 62
- IMSI Download OK +WOTI 63
- PRL Download OK +WOTP 63
- Chapter 14 – Short Message 70
- Service Control Commands 70
- Read Message +CMGR 71
- List Message +CMGL 72
- Delete Message +CMGD 73
- Chapter 15 – Audio Commands 79
- Microphone Gain +VGT 81
- Speaker Gain Control +VGR 82
- Digital Gain Receive +WDGR 84
- Echo Cancellation +ECHO 86
- Speaker Driver Gain +WSDG 87
- Audio Loopback &T 88
- Chapter 16 – Data Commands 89
- R-SCH Selection $QCMIP 90
- MIP Selection $QCMIPP 91
- Chapter 17 – TCP APP AT 98
- Chapter 18 – Sleep Commands 107
- Builds) 111
- Chapter 19 – Antenna 111
- Commands (Not for IP and GPS 111
- +WANTPOLL 113
- Auxiliary GPS Power +WANT 115
- Scenarios 118
- Call Processing 119
- Sending Binary Data 120
- TCP Socket Examples 121
- TCP Server Example 122
- ATZ, and AT&F 123
- Chapter 22 – CDMA 128
- Terminology and Acronyms 128
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