The ACCULINK 3100 Series of CSU and DSU/CSU products is your source for intelligent, high-quality T1 and fractional T1 CSUs and DSU/CSUs. The 3100 CSUs and DSU/CSUs provide an interface between Data Terminal Equipment (DTE) and T1 or fractional T1 services. They are fully compatible with D4 or ESF framing and satisfy both ANSI T1.403 and AT&T 54016 standards.
Routermall is your premier online reseller of quality used Paradyne T1/E1 Equipment. All our gear is cleaned, fully tested by manufacturer certified technicians and covered by our industry leading 1-year end-user warranty. Nearly all the gear you see on our site is in stock and ready to ship or in bound to us within 24 hours. Our goal is to offer high quality alternatives to new, with pricing as low as 50%-90% off retail list.