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CR1000 Manual - Campbell Scientific

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Section 8. Operation<br />

Table 84. PakBus Leaf-Node and Router Device Configuration<br />

Network<br />

Device<br />

Description<br />

network link 1<br />

PakBus<br />

Leaf Node<br />

PakBus<br />

Router<br />

PakBus<br />

Aware<br />

Transparent<br />

NL120<br />

NL200<br />

NL240<br />

Peripheral port<br />

network link 1 •<br />

Serial port<br />

network link<br />

Wireless<br />

network link<br />

MD485 Multidrop • •<br />

RF401,<br />

RF430,<br />

RF450<br />

Radio • • •<br />

CC640 Camera •<br />

SC105 Serial interface •<br />

SC32B Serial interface •<br />

SC932A Serial interface •<br />

COM220<br />

COM310<br />

SRM-5A<br />

Telephone<br />

modem<br />

Telephone<br />

modem<br />

Short-haul<br />

modem<br />

•<br />

•<br />

•<br />

1 This network link is not compatible with CR800 datalogger.<br />

8.5.3 Linking PakBus Nodes: Neighbor Discovery<br />

New terms (see Nodes: Leaf Nodes and Routers (p. 351) ):<br />

• node<br />

• link<br />

• neighbor<br />

• neighbor-filters<br />

• hello<br />

• hello-exchange<br />

• hello-message<br />

• hello-request<br />

• CVI<br />

• beacon<br />

To form a network, nodes must establish links with neighbors (neighbors are<br />

adjacent nodes). Links are established through a process called discovery.<br />

353

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