One possibility: https://www.ebay.com/itm/Cisco-Catalyst-3560-WS-C3560-48PS-S-48-Port-PoE-10-100-FE-Fast-Ethernet-Switch/381829332599?hash=item58e6cd3e77:g:70cAAOSwZrhaeyZY  $39 I didn't buy mine from there, but with my version I wasn't able to imple...