Campbell-scientific CR1000 Measurement and Control System Manuel d'utilisateur Page 353

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Vue de la page 352
Section 8. Operation
353
Table 84. PakBus Leaf-Node and Router Device Configuration
Network
Device
Description
PakBus
Leaf Node
PakBus
Router
PakBus
Aware
Transparent
network link
1
NL120
Peripheral port
network link
1
NL200
Serial port
network link
NL240
Wireless
network link
MD485 Multidrop
RF401,
RF430,
RF450
Radio
CC640 Camera
SC105 Serial interface
SC32B Serial interface
SC932A Serial interface
COM220
Telephone
modem
COM310
Telephone
modem
SRM-5A
Short-haul
modem
1
This network link is not compatible with CR800 datalogger.
8.5.3 Linking PakBus Nodes: Neighbor Discovery
New terms (see Nodes: Leaf Nodes and Routers (p. 351) ):
node
link
neighbor
neighbor-filters
hello
hello-exchange
hello-message
hello-request
CVI
beacon
To form a network, nodes must establish links with neighbors (neighbors are
adjacent nodes). Links are established through a process called discovery.
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