AG Electronica XBee 2 Series Manual page 25

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XBee Series 2 OEM RF Modules ‐ ZigBee ‐ v1.x2x [2007.07.019] Chapter 3 ‐ ZigBee Networks
the data, up to 2 times until an Ack is received. This Ack is called the ZigBee APS layer
acknowledgment.
Refer to the ZigBee specification for more details.
Figure 3‐08. Unicast Data Transmission
R
E
R
E
R
R
R
C
E
Legend
R
Data Transmission
One Network ACK: Destination to Source
R
Mac ACK
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