XBP24-DMWIT-250 Digi International, XBP24-DMWIT-250 Datasheet - Page 13

• Manufacturer Part Number: XBP24-DMWIT-250
• Description: XBEE-PRO MESH 2.4 EXTENDED
• Manufacturer: Digi International
• Series: XBEE-PRO™r

Specifications of XBP24-DMWIT-250

• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: ISM
• Applications: General Purpose
• Power - Output: 18dBm
• Sensitivity: -100dBm
• Voltage - Supply: 2.8 V ~ 3.4 V
• Current - Receiving: 55mA
• Current - Transmitting: 250mA
• Data Interface: PCB, Through Hole
• Antenna Connector: On-Board, Wire Whip
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4542387

XBee/XBee‐PRO DigiMesh 2.4 RF Modules
Idle Mode
Transmit Mode
When not receiving or transmitting data, the RF module is in Idle Mode. During Idle Mode, the RF module is also checking
for valid RF data. The module shifts into the other modes of operation under the following conditions:
When serial data is received and is ready for packetization, the RF module will exit Idle Mode and attempt to transmit the
data. The destination address determines which node(s) will receive the data. To communicate, modules must be config-
ured to operate on the same channel and network ID.If a route is not known, route discovery will take place for the purpose
of establishing a route to the destination node. If a module with a matching network address is not discovered, the packet
is discarded. The data will be transmitted once a route is established. If route discovery fails to establish a route, the packet
will be discarded.
When data is transmitted from one node to another, a network-level acknowledgement is transmitted back across the
established route to the source node. This acknowledgement packet indicates to the source node that the data packet was
received by the destination node. If a network acknowledgement is not received, the source node will re-transmit the data.
See Data Transmission and Routing in Chapter 4 for more information.
As a general rule of thumb, API firmware is recommended when a device:
If the above conditions do not apply (i.e. a sensor node, router, or a simple application), then AT firmware might be
suitable. It is acceptable to use a mixture of devices running API and AT firmware in a network.
To implement API operations, refer to the API Operation Chapter 6, Modes of Operation.
• sends RF data to multiple destinations
• sends remote configuration commands to manage devices in the network
• receives IO samples from remote devices
• receives RF data packets from multiple devices, and the application needs to know which device sent which
• must support multiple endpoints, cluster IDs, and/or profile IDs
• uses the Device Profile services.
• Transmit Mode (Serial data in the serial receive buffer is ready to be packetized)
• Receive Mode (Valid RF data is received through the antenna)
• Command Mode (Command Mode Sequence is issued)
• Sleep Mode (Sleep-enabled devices only)
Transmit Mode Sequence
packet
Idle Mode
© 2010 Digi International, Inc.
New
Transmission
Data Discarded
Yes
Route Discovered?
Route Discovery
Route Known?
No
No
Successful Transmission ?
Yes
Yes
No
Transmit Data
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