CISCO - CATALYST 2922-XL SWITCH - 2 PORTS EXPANSION MODULE (WS-X2922-XL-V). KEY FEATURES : DEVICE TYPE : EXPANSION MODULE FORM FACTOR : PLUG-IN MODULE PORTS : 10/100 CONNECTIVITY TECHNOLOGY : WIRED CABLING TYPE : ETHERNET 100BASE-FX DATA LINK PROTOCOL : 100MB LAN DATA TRANSFER RATE : 100 MBPS FEATURES : FULL DUPLEX CAPABILITY, MANAGEABLE COMPLIANT STANDARDS : IEEE 802.3U INTERFACES : 2 X 100BASE-FX - 4 COMPATIBLE SLOTS : 1 X COMMUNICATION SLOT CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.