Downlink Commands

This device supports downlink commands for configuration and control. The downlink application port is 85 by default.

General Setting

Item Channel Type Byte Description
Reboot ff 10 1 ff
Reporting Interval ff 8e 3

Byte 1: 01

Byte 2-3: Interval, [1~1440], Unit: min
Occupancy Trigger Sensitivity f9 3e 1 00: Low, 01: Middle, 02: High
Occupancy Maintaining Sensitivity f9 3f 1 00: Low, 01: Middle, 02: High
Report Vacancy Time f9 40 1 UINT8, Unit: min
Illuminance f9 41 1 Byte 1: 01-enable, 00-disable

Byte 2-3: Bright Status Illuminance, UINT 16, unit: lux, Default: 700

Byte 4-5: Dim Status Illuminance, UINT 16, unit: lux, Default: 300
Hibernate Period f9 44 6 Byte 1: 01-Period 1, 00-Period 2

Byte 2: 01-enable; 00-disable

Byte 3-4: Start Time, unit: min

Byte 5-6 End Time, unit: min
UTC Time Zone ff bd 2 INT16/60
Daylight Saving Time ff ba 10 Byte1: 01-Enable; 00-Disable

Byte2: DST Bias, INT8, Unit: min

Byte3: Start Month

Byte4:
  • Bit 7-4: Start Week
  • Bit 3-0: Start Day
Byte5-6: Start Time, UINT 16, Unit: min

Byte7: End Month

Byte8:
  • Bit 7-4: End Week
  • Bit 3-0: End Day

Byte9-10: End Time, UINT 16, Unit: min
Time Synchronization ff 4a 1 ff
Bluetooth ff 8f 1 01: enable; 00: disable
Examples:
  1. Reboot the device.
    ff10ff
  2. Set report interval as 20 minutes.
    ff8e011400
    Channel Type Value
    ff 8e 14 00=>00 14= 20 minutes
  3. Set up Hibernate Mode.
    f944 00 01 fe01 ec04
    Channel Type Value
    ff 44 00: Period 1

    01: Enable Hibernate mode

    fe 01 => 01 fe = 510 minutes = 8 hours +30mins = 8:30

    ec 04 => 04 ec = 1260minutes =21 hours = 21:00
  4. Set time zone as UTC-4.
    ffbd10ff
    Channel Type Value
    ff bd 10 ff => ff 10 = -240/60=-4
  5. Set Daylight Saving Time from Mar. /2nd /Sun. 14:00 to Nov. /1st /Mon 14:00 and Bias as 60min.
    ffba 01 3c 03 27 4803 0b 11 4803
    Channel Type Value
    ff ba 01=enable

    Bias: 3c=60min

    Start Month: 03=March

    27=>0010 0111

    Start Week: 0010=2= 2nd

    Start Day: 0111=7=Sunday

    Start Time: 48 03=> 03 48=>840min=14:00

    End Month: 0b=11=Nov.

    11=>0001 0001

    End Week: 0001=1=1st

    End Day: 0001=1=Monday

    End Time: 48 03=> 03 48=>840min=14:00
  6. Enable Illuminance collection and set bright/dim status threshold values.
    f941 012003 9001
    Channel Type Value
    f9 41

    01=>Enable;

    Max Illuminance: 20 03=>03 20=>800 lux

    Min Illuminance: 90 01=>01 90=>400 lux

Milesight D2D Setting

Item Channel Type Byte Description
D2D Feature ff 84 1 01-enable, 00-disable
D2D Key ff 35 8 The first 16 digits of D2D key, and the last 16 digits are fixed as 0.
D2D Settings ff 96 8 Byte 1:

00-Occupied

01-Vacant

02-Bright

03-Dim

04-Occupied/Bright

05-Occupied/Dim

Byte 2: 01-enable, 00-disable

Byte 3: 01-enable LoRa Uplink, 00-disable LoRa Uplink

Byte 4-5: D2D control command

Byte 6-7: control time, Unit: min

Byte 8: 01-enable control time, 00-disable control time
Example:
  1. Set D2D Key as 12345678123456780000000000000000.
    ff35 1234567812345678
    Channel Type Value
    ff 35 1234567812345678
  2. Set D2D settings.
    ff96 04 01 01 04e0 0500 01
    Channel Type Value
    ff 96

    04=> Occupied/Bright;

    01=>Enable;

    01=>Enable LoRa Uplink;

    04 e0=>e0 04, Control Command is e0 04;

    05 00=>00 05, Control time is 5 mins;

    01=>Enable Control Time