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3Com (3C421600A-US) Expansion Module External, Cabling: Ethernet 10Base-T, ISDN PRI

	Protect your hardware investment with 3Com's grow-as-you-need and mix-and-match solution. Unlike traditional, fixed-port stackable servers, the RAS 1500 is a stackable base unit that accepts expansion units that provide slots for additional plug-in I/O cards or ISDN PRI T1 or E1 connectivity. This unit supports dial-in, shared ISP access, individual dial-out, and LAN-to-LAN applications. Product rating:	Compare Prices Product Details

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