Specifications subject to change without notice. ADTRAN and NTU are trademarks ofADTRAN, Inc. and/or its affiliates in the U.S. and certain other countries. All other trade-marks mentioned in this document are the property of the their respective owners.Product SpecificationsNetwork Interface RJ-45 for ISDN Basic Rate U-InterfaceDTE Interface EIA-530, EIA232 or V.35Dialing Selections Manual or automatic stored number dialing In-Band DTE Dialing: V.25 bis, AT commands DTR Dialing of stored numberData Rates (DTE) 2400 bps to 128 kbps synchronous 300 bps to 230.4 kbps asynchronousProtocols CCITT V.120, V.110, T-LINK, SAP, Clear Channel,Async, Async to Sync PPP, Multilink PPP, BONDINGMode 1, FallbackInteroperability BONDING-compatible inverse multiplexers, Switched56 DSUs, ISDN TAs, ISUs, PPP compatible routersSwitch Compatibility National ISDN-1, Lucent 5ESS™,Nortel DMS-100™, NECDiagnostic and Testing Local and remote loopbacks, CCITT V.54 loopback,2047 pattern, remote configurationExpress NTUSynchronous ISDN Terminal AdapterAgency Approvals FCC Part 15, Class B, FCC Part 68, UL,CUL, CSA, and CS03Environment Operating: 0° to 50°C (32° to 122°F) Storage: –20° to 70°C (–4° to 158°F) Relative Humidity: Up to 95%, non-condensingPhysical Size: 5.7 cm H, 19.1 cm D x 25.5 cm W(2.25" H, 7.5" D, 10.0" W) Weight: 1.36 kg (3 lbs.) Power: +12 VDC, 8 W maximum dissipationProduct Includes One seven-foot RJ-45 telephone cable User ManualOrdering InformationEquipment Part #Express NTU™, no P/S 1200200L1Express NTU, 115 vAC 4200200L1Express NTU, Euro 220 vAC 4200200L2Express NTU, Australian 220 vAC 4200200L3Express NTU, British 220 vAC 4200200L4I61200200L1-8B July 2003Copyright©2003 ADTRAN, Inc.All rights reserved.ADTRAN is aTL 9000 registered company.ADTRAN is aISO 9001 registered company.ADTRAN, Inc.Corporate HeadquatersAttention:International Department901 Explorer BoulevardHuntsville, Alabama 35806USAwww.adtran.comAsia Pacific—Beijing, China+86 10 8857-6415 voice+86 10 8857-6417 faxsales.china@adtran.comAsia Pacific—Hong Kong, China+852 2824-8283 voice+852 2824-8928 faxsales.asia@adtran.comAsia Pacific—Guangzhou, China+86 20 8384-6015 voice+86 20 8384-7127 faxsales.china@adtran.comAsia Pacific—Melbourne,Australia+61 3-9658-0500 voice+61 3-9658-0599 faxsales.australia@adtran.comEuropean/Middle East/Africa—Bad Homburg, Germany+49 6172-483-2304 voiceGermany+1 256-963-8695 voiceAlabama, USA+49 6172-483-2305 faxGermanysales.europe@adtran.comLatin America/Caribbean+1 954-474-4424 voiceFlorida, USA+1 256-963-7551 voiceAlabama, USA+1 954-474-1298 faxFlorida, USAsales.latin@adtran.comMexico+1 954-474-4424 voiceFlorida, USA+1 256-963-7551 voiceAlabama, USA+1 954-474-1298 faxFlorida, USAsales.mexico@adtran.comU.S. HeadquartersHuntsville, Alabama USA+1 256-963-8000 voice+1 256-963-8669 voice+1 256-963-6300 faxinternational@adtran.com