HP Switch experts.

Dear Experts,
We want to replace 3 D-Link non manageable switch with the HP manageable switch. Currently these unmanageable switch is connected with Cisco Catalyst 2960 Switch with three uplink to Cisco switch. I want to connect three HP switch to new 2 HP Core switch working as Active-Active with 10 GBPS uplink between them. As per the HP Chat, their recommendation is to have 3 HP Switch model 2920-48 G J9728A. The core switch suggest here by local supplier is HP 5820-24XG-SFP+Switch. I don't have any idea about how many transceiver I need to connect between them. Please advice.
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ibu1System AdministratorAsked:
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Lee IngallsConnect With a Mentor Director of IT/TS, Quality and FinanceCommented:
If I counted correctly you're are replacing  3 D-Link and 1 Cisco switch with 5 HP switches:
2, 5820-24XG-SFG+
3, 2920-48
To connect the 3 2920-48 to each of the 5820-24XG will require 6 transceivers. If you're going to connect the 2 Core 5820-24XG to each other will require 2 more transceivers.

8 total for Core to Core Connectivity.
Check the rough diagram... is this what you're looking for?

The type of transceiver will depend on the distances between switches.
ibu1System AdministratorAuthor Commented:
Hi Lee Ingalls,
Don't I need the transceiver at the other end of 5820 switch?
ibu1System AdministratorAuthor Commented:
Dear Experts,
Attachment is the BOQ. I want to know more about item number 4 mentioned.
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