Site Search:     ADTRAN TDU 120 Model # 1200.156L1 More ADTRAN PART #: TDU-1201200156L1 Items are good condition used/refurbed unless stated otherwise.  All products include a 100% satisfaction guarantee and six (6) month warranty.  Cables and power supplies sold separately unless stated otherwise. Information provided in this web site is believed to be accurate, but is not guaranteed. All trademarks, logos, symbols, product names, etc. are the property of their respective owners. We welcome yourcomments about this web site.(440) 350-9900 Copyright © 2011 Micro Associates. All Rights Reserved.