Used CISCO WS-C2960S-48LPS-L   48 port full POE switch 

24 or 48 Gigabit Ethernet ports with line-rate forwarding performance

4 fixed 1 Gigabit Ethernet Small Form-Factor Pluggable (SFP) uplinks or 2 fixed 10 Gigabit Ethernet SFP+ uplinks

PoE+ support with a power budget of up to 740W and Perpetual PoE

 CISCO IOS LAN Base[1] or LAN Lite1 and CISCO IOS IP Lite[2]

Device management with web UI, over-the-air access via Bluetooth, Command-Line Interface (CLI), Simple Network Management Protocol (SNMP), and RJ-45 or USB console access

Network management with CISCO Prime®, CISCO Network Plug and Play, and CISCO DNAâ„¢ Center

Stacking with FlexStack-Plus and FlexStack-Extended

Layer 3 features with routed access (Open Shortest Path First [OSPF]), static routing, and Routing Information Protocol (RIP)

 Visibility with Domain Name System as an Authoritative Source (DNS-AS) and Full (Flexible) NetFlow

Security with 802.1X, Serial Port Analyzer (SPAN) and Bridge Protocol Data Unit (BPDU) Guard

Reliability with higher Mean Time Between Failures (MTBF) and Enhanced Limited Lifetime Warranty
(E-LLW)

Resiliency with optional dual field-replaceable power supplies2