Perform scan, Perform scan 49 – AeroComm TRANSCEIVER ZB2430 User Manual

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ZB2430 User’s Manual - v1.6

A D V A N C E D N E T W O R K C O M M A N D S

www.aerocomm.com

P e r f o r m S c a n

ZigBee Coordinators and Routers can manually scan selected channels for RF activity and other ZigBee devices/PAN
ID’s, etc.
Note: This command not valid for End Devices.
Command Definitions

• Scan Channel: A 32-bit channel mask specifying the channel(s) to include in the scan.
• Scan Type: Specifies the type of scan to perform. Energy scan, the device will tune to each channel &

perform an energy measurement. Active scan, the device tunes to each channel, sends a beacon request
and listen for beacons from other ZigBee devices.

• Scan Duration: Duration of the Active & Energy scans on each channel selected. Time is measured as:

(15.36ms) x 2^(Scan Duration + 1)

• Max Results: The maximum number of results to report for Active scans. Ignored with Energy scan command.
• Status: Indicates the status of the current scan.
• Channel Number: 8-bit channel current measurement was taken from.
• Energy: The strength of the RF channel during the Energy scan.
• NWK Address: 16-bit NWK address of the neighboring device.
• PAN ID: The 16-bit PAN ID of the network to which the device belongs.
• Link Quality: The strength of the link between the current device and the device found during the Active scan.

F i g u r e 2 1 : P e r f o r m S c a n C o m m a n d

32-bit channel mask
describing channels to scan

Scan Channel (Bytes 3-6)

0x00: Energy detect scan
0x01: Active scan

Scan Type (Byte 7)

Data

Request

0xCC

Start Delimiter

0x8B

Command Identifier

Range: 0x00-0x0E

Scan Duration (Byte 8)

Reserved.
Set to 0x00.

Reserved (Byte 9)

Maximum number
of results to return

Max Results (Byte 10)

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