Home >  3com Megahertz AC894S Ethernet Dongle Product is Out of Stock and/or Discontinued. Product No: 7 Refurbished in Plain Box 30 Days Warranty Extremely difficult to find ethernet dongle ("don-gull") cable for 3CXEM Series, 3CCEM Series, XJEM Series, and CCEM Series Products Only. The 3com site also says it is a cable modem "AC894S Twisted pair cable for 3CCEM556T, 3CXEM556T" (source: http://support.3com.com/infodeli/inotes/techtran/4742_5ea.htm) - Other PCCard models this cable is compatible with: 3CCEM556B 3CCEM556BC 3CCEM556C 3CCEM556CT 3CCEM556T 3CXEM556B 3CXEM556BC 3CXEM556BT 3CXEM556C CCEM3288C CCEM3288T CCEM3336 CCEM3336C CCEM3336T CXEM556T XJAEM3336 XJEM1144C XJEM1144T XJEM3288C XJEM3288T XJEM3336