Correct, a 10GB LR transceiver will match the fiber you've described. You can also use any of the other SMF options listed in the following link (assuming your switch supported it). SFP and Stacking Accessories - Cisco Meraki It sounds like a fairly simple topology - just make sure your VLANs are trunked in all the right places. If I'm understanding you correctly in that your network is logically separate from the University campus network but is transiting across it, you might want to consider placing an L3 switch in the new building. You can then place the clients there on a separate L3 network and use a transit VLAN to connect between the new building and your existing network (through the university switches). If that's not correct and you are a part of the university campus network, it's still a good practice to split the L3, but you could also just trunk your L2 VLAN's to the new building switch.
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