National Instruments RS485 - Manual (Page 13)

© National Instruments Corp. 13 NI 9871 Operating Instructions
Sleep Mode (CompactRIO Only)
You can enable sleep mode for the CompactRIO system in
software. In sleep mode, the system consumes less power and may
dissipate less heat. Typically, when a system is in sleep mode, you
cannot communicate with the modules. Refer to the Specifications
section for more information about power consumption and
thermal dissipation.
Specifications
The following specifications are typical for the range –40 to 70 °C
unless otherwise noted.
Maximum baud rate.......................... 3.6864 Mbps
Maximum cable length ..................... 1.2 km (4,000 ft.)
Data line ESD protection
(human body model)......................... ±15 kV
MTBF ............................................... 514,016 hours at 25 °C;
Bellcore Issue 6, Method 1,
Case 3, Limited Part Stress
Method