Part Number IOM-21-4 having (CAGE Code 0BC68) and FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware in stock with ready to ship. Get an instant quote for IOM-21-4 Electronic Components Assembly by Enterasys Networks Inc Dba Cabletron. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.