Note
Cable capacitance greater than 250 pF may
adversely affect the maximum baud rate and thermal
dissipation.
Maximum RS232 Receive
signal (RXD, CTS, DSR,
DCD, RI) continuous
voltage
±8 V
Note
Continuous RS232 input voltages in excess of
±8 V may cause excessive thermal dissipation.
Data line ESD protection
(human body model)
±15 kV
MTBF
448,008 hours at 25 °C; Bellcore
Issue 6, Method 1, Case 3,
Limited Part Stress Method
Note
Contact NI for Bellcore MTBF specifications at
other temperatures or MIL-HDBK-217F specifications.
14
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NI 9870 Getting Started Guide
