MS390 Power Stacking

Karla
Conversationalist

MS390 Power Stacking

Hello, anyone has a recommendation to connect power stack cables, on a stack of 3 MS390?

Current situation:

3 x MS390 connected and power on.

 

Do I need to power off the devices before connecting the power stack cables??

 

Please someone can advise.

3 REPLIES 3
bmehta
Meraki Alumni (Retired)
Meraki Alumni (Retired)

Hello,

I would recommend following the stacking procedure mentioned here for MS390s
https://documentation.meraki.com/MS/Stacking/Switch_Stacks#Stacking_MS390s

 

https://documentation.meraki.com/MS/MS_Installation_Guides/MS390_Series_Installation_Guide#Stack_Cab...

 

Let me know if you have any concerns

 

thank you

 

 

cmr
Kind of a big deal
Kind of a big deal

@Karla the stack power feature comes from the Cisco 9300/3850 switches and on those you just plug a cable from one switch to the next and loop round at the end.  You can connect up to 4 switches in one loop.

 

To power up the switches you only need one power supply in one switch, but obviously need more to use PoE etc. 

 

It is a fantastic system and one I *wish* was on the MS355s etc. In fact it's about the only 3850 feature I really miss.

cmr
Kind of a big deal
Kind of a big deal

Oh, and to be clear you can connect cables with switches on, but be aware that a switch with no power supply or power cable will power up as soon as you connect the first stackpower cable.

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