The Cisco 2125 Wireless LAN Controller supports up to 25 access points and comes with eight Ethernet ports, two of which can provide power to Cisco access points.
Features
Product Description: Cisco Wireless LAN Controller 2125, network management device
Device Type: Network management device
Enclosure Type: External, 1U
Dimensions (WxDxH): 7.9 in x 6.9 in x 1.8 in
Weight: 4 lbs
Ports Qty: 8
Data Link Protocol: Ethernet, Fast Ethernet
Network / Transport Protocol: TCP/IP, UDP/IP, ICMP/IP