XBee®/XBee‐PRO® SMT ZB RF Modules
Contents
PAN ID Filtering 48
Forming and Joining a Secure Network 70
Implementing Security on the XBee 70
Enabling Security 71
Preconfigured Security Keys 48
Permit Joining 48
Application Messaging 48
Setting the Network Security Key 71
Setting the APS Trust Center Link Key 71
Enabling APS Encryption 71
Transmission, Addressing, and Routing 49
Addressing 49
Using a Trust Center 71
64-bit Device Addresses 49
16-bit Device Addresses 49
Application Layer Addressing 49
Data Transmission 49
XBee Security Examples 72
Example 1: Forming a network with security (pre-con-
figured link keys) 72
Example 2: Forming a network with security (obtain-
ing keys during joining) 72
Broadcast Transmissions 50
Unicast Transmissions 50
Data Transmission Examples 52
RF Packet Routing 53
Network Commissioning and Diagnostics 74
Device Configuration 74
Device Placement 74
Link Testing 74
Link Status Transmission 54
AODV Mesh Routing 55
RSSI Indicators 75
Many-to-One Routing 57
Source Routing 57
Device Discovery 75
Network Discovery 75
Encrypted Transmissions 60
Maximum RF Payload Size 60
Throughput 61
ZDO Discovery 75
Joining Announce 75
Commissioning Pushbutton and Associate LED 75
Commissioning Pushbutton 76
Associate LED 77
ZDO Transmissions 61
ZigBee Device Objects (ZDO) 62
Sending a ZDO Command 62
Receiving ZDO Commands and Responses 62
Transmission Timeouts 64
Unicast Timeout 64
Managing End Devices 79
End Device Operation 79
Parent Operation 79
End Device Poll Timeouts 80
Packet Buffer Usage 80
Non-Parent Device Operation 80
XBee End Device Configuration 81
Pin Sleep 81
Extended Timeout 64
Transmission Examples 65
Security 67
Security Modes 67
ZigBee Security Model 67
Network Layer Security 67
Frame Counter 68
Cyclic Sleep 83
Transmitting RF Data 86
Receiving RF Data 86
Message Integrity Code 68
Network Layer Encryption and Decryption 68
Network Key Updates 68
APS Layer Security 68
I/O Sampling 87
Waking End Devices with the Commissioning Pushbut-
ton 87
Parent Verification 87
Message integrity Code 69
APS Link Keys 69
Rejoining 87
XBee Router/Coordinator Configuration 87
RF Packet Buffering Timeout 88
Child Poll Timeout 88
APS Layer Encryption and Decryption 69
Network and APS Layer Encryption 69
Trust Center 70
Transmission Timeout 88
© 2010 Digi Internaitonal, Inc.
4
DCD [ DIGITAL CORE DESIGN ]
