ASAP Purchasing is a leading supplier of Cisco obsolete computer hardware parts and networking components. We specialize in providing immediate quotes for Cisco part number NM-4B-S T-RF, 4 X Isdn Bri (S/T) .. Our sales team is dedicated to fulfilling your order requirements for Cisco NM-4B-S T-RF and will contact you shortly with a response after receiving your quote request. We are available 24/7 to assist with all your parts requirements, including targeted pricing and order-fulfillment date.