Changes for page **General Overview and Design Considerations

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27	27	Note: the terminology used for these modes was modified in .puf firmware v1.03.27 (device firmware v1.002.00026). Hardware delivered with older firmware will require the use of different commands to change modes during start-up.
28	28	)))
29	29
30		-ZUMNET-JBOX-* devices can be set to be either the primary room controller or a secondary load controller. As of February, 2023, ZUMNET-JBOX-*
	30	+ZUMNET-JBOX-* devices can be set to be either the Primary room controller or a Secondary load controller. There must only be one Primary ZUMNET-JBOX on a given Zūm Link bus, and in a networked system the Primary ZUMNET-JBOX is the one that should be connected to the Zūm Net.
31	31
32		-* In Primary
	32	+* In Primary mode, the ZUMNET-JBOX acts as the Zūm Link host, and is able to detect all connected Zūm Link devices. If connected to in Crestron Toolbox, a Primary ZUMNET-JBOX can be used to view and manually address any connected ZUMLINK-* devices. While in App mode, a ZUMNET-JBOX in Primary mode is the logical room controller for the space and is the device that should be used for configuration via the Zūm App.
	33	+* In Secondary mode, the ZUMNET-JBOX acts as if it were a ZUMLINK-JBOX. It does not process any room control logic, and when connected to via Crestron Toolbox it will not be able to see any other ZUMLINK-* devices. Using Secondary mode is rare, and should only be used in cases where a spare ZUMNET-JBOX is being used to add a load to another ZUMNET-JBOX or replace a ZUMLINK-JBOX that has been lost or damaged.
33	33
34		-While in secondary mode, the ZUMNET-JBOX-* acts as if it were cannot detect any devices on its
	35	+As of February, 2023, Crestron is shipping all ZUMNET-JBOX-* preconfigured in Secondary mode, though this may change in the future.
35	35
36	36	== Security ==
37	37