Appendix A: Multiple Chassis Local Connect
Setting Up and Powering Up Multiple Chassis
94 | SmartBits 600x/6000x Installation Guide
Power Up the Multiple Chassis In Sequential Order
Important: Follow the power up sequence procedures as shown below. Failure to do so
will cause random errors and incorrect test results.
When powering up your multiple chassis configuration:
• SmartBits 200/2000 – Allow the LINK LED on the chassis to stop flashing before
powering up the next chassis in sequence. (Time varies between 30 and 60 seconds.)
• SmartBits 600x/6000x – Allow the STATUS LED on the chassis to turn green before
powering up the next chassis in sequence. (Time varies between 30 and 200 seconds.)
• Stacking configuration – Turn on all the slave units (any sequential order). Wait at
least 30 seconds and then power up the master controller of the stack. If this sequence
is not followed, the master controller may not recognize the slaves.
For an example of powering up multiple chassis in sequential order, we will use the
example shown in Figure A-5 on page 95.
To power up multiple chassis:
1 Turn on the slave units #1, #2, #3, #6, #7, #9.
2 Allow the LINK LEDs on the chassis’ to stop flashing (at least 30 seconds) and then
power on the primary controller (chassis #4).
3 When the LINK LED has stabilized on the primary controller, power on the
dependent controllers in sequential order, (chassis #5, #8, 10). Wait for the LINK
LED or the STATUS LED to stabilize in between powering up each chassis, until you
have completely powered up all the chassis in a given series.
Important: If any of the dependent controllers get power-cycled or disconnected, repeat
the power-up sequence to ensure the system clock connection.
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