CISCO - 1 ETHERNET 1 TOKEN RING 2 WAN CARD SLOT NETWORK MODULE SPECIFICATIONS - PRODUCT DESCRIPTION : CISCO EXPANSION MODULE - 2 PORTS - DEVICE TYPE : EXPANSION MODULE - FORM FACTOR : PLUG-IN MODULE - PORTS QTY : 2 PORTS - CABLING TYPE : TOKEN RING - DATA LINK PROTOCOL : ETHERNET, TOKEN RING - NETWORK / TRANSPORT PROTOCOL : TCP/IP, IPX/SPX - COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.5 CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. WARRANTY : 30 DAYS.