Campbell Scientific CR3000 CR3000 Micrologger - Page 544
RS232, SDC10, SDC11, Central Routers
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Appendix B. Status Table and Settings Table 125. CR3000 Settings Settings are accessed through the Campbell Scientific Device Configuration Utility (DevConfig) via direct-serial and IP connections, or through PakBusGraph via most CR3000 supported telecommunications options. Setting Description Default Entry Neighbors Allowed RS232 ME SDC7 SDC8 SDC10 SDC11 COM1 COM2 COM3 COM4 Central Routers This setting specifies, for a given port, the explicit list of PakBus® node addresses that the CR3000 will accept as neighbors. If the list is empty (the default condition), any node is accepted as a neighbor. This setting will not effect the acceptance of a neighbor if that neighbor's address is greater than 3999. The formal syntax for this setting follows: neighbor := { "(" range-begin "," range-end ")" }. range-begin := pakbus-address. ; range-end := pakbus-address. pakbus-address := number. ; 0 < number < 4000 If more than 10 neighbors are in the allowed list and the beacon interval is 0, the beacon interval is changed to 60 seconds and beaconing is used for neighbor discovery instead of directed hello requests that consume comms memory. This setting specifies a list of up to eight PakBus® addresses for routers that are able to work as central routers. By specifying a non-empty list for this setting, the CR3000 is configured as a branch router meaning that it will not be required to keep track of neighbors of any routers except those in its own branch. Configured in this fashion, the CR3000 will ignore any neighbor lists received from addresses in the central routers setting and will forward any messages that it receives to the nearest default router if it does not have the destination address for those messages in its routing table. Each entry in this list is expected to be formatted with a comma separating individual values. 544
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