Issue:

In order to ensure proper operation, SmartSlot cards must be installed in a certain, specific order according to precedence


Product Line:

Single Phase Symmetra and smart-slot accessories.

Note: Only SmartSlot accessories with revision K or later can be integrated with the Symmetra.


Resolution:

When placing multiple SmartSlot accessories in the Symmetra expansion slots, great care must be taken so the correct ordering of the accessories observed. A SmartSlot device with higher priority must be placed in the SmartSlot labeled with the higher number. Refer to the following table for details.

	PART NUMBER	PRIORITY	POSITION
Network Management Card	AP9606 AP9617 AP9618 AP9619 AP9630/30CH AP9631/31CH	Highest	Highest-numbered slot
Call-UPS II Out of Band Management SmartSlot Card	AP9608	Second highest	Second-highest-numbered slot (highest if no network management card is present)
Dry Contact I/O SmartSlot Card	AP9610 AP9613	Medium	Any slot numbered lower than a network management card, Call-UPS II; any slot higher than Measure-UPS
Interface Expander SmartSlot Card	AP9607	Medium	Any slot numbered lower than a network management card, Call-UPS II; any slot higher than Measure-UPS
Measure-UPS SmartSlot Card	AP9612T AP9612TH	Lowest	Lowest-numbered slot

The following graphic is an example of how to install multiple SmartSlot devices in the Symmetra Power Array. Please note the numbering shown in the figure. The network management card is installed in slot #4, Call-UPS II in #3, Interface Expander in #2, and Measure- UPS in #1.




The following graphic is an example of how to install multiple SmartSlot devices in the Symmetra RM and Symmetra LX.  The network management card is installed in slot #2 and Call-UPS II is installed in slot #1.