Campbell Scientific CR1000 Measurement and Control System - Manual (Page 101)

Section 7. Installation
101
Figure 40: DevConfig Deployment | ComPorts Settings tab
Advanced Sub-Tab
• Is Router allows the datalogger to act as a PakBus ® router.
• PakBus Nodes Allocation indicates the maximum number of PakBus ®
devices the CR1000 will communicate with if it is set up as a router. This
setting is used to allocate memory in the CR1000 to be used for its routing
table.
• Max Packet Size is the size of PakBus ® packets transmitted by the CR1000.
• USR: Drive Size specifies the size in bytes allocated for the "USR:" ram disk
drive.
• RS-232 Power/Handshake | Port Always On controls whether the RS-232
port will remain active even when communication is not taking place.
Note If RS-232 handshaking is enabled (handshaking buffer size is non-zero),
RS-232 Power/Handshake | Port Always On setting must be checked.
• RS-232 Hardware Handshaking Buffer Size indicates hardware
handshaking is active on the RS-232 port when non-zero. This setting
specifies the maximum packet size sent between checking for CTS.
• Handshake Timeout (RS-232) this specifies in tens of milliseconds the
timeout that the CR1000 will wait between packets if CTS is not asserted.