Product SpecificationsOperating modes 2-wire Switched 56 (SW56)DTE Rates DTE-to-loop rate matching in both switched andvirtual private line mode Synchronous rates: 1.2, 2.4, 4.8, 9.6, 19.2, 38.4,48, 56, and 64 kbps Asynchronous rates: 1.2, 2.4, 4.8, 9.6, 19.2,38.4 and 57.6 kbpsNetwork Interface 2-wire SW56 based on Northern TelecomDatapath® technologyDTE Interface Both EIA-232 and V.35 electricaland physical DTE interfacesLine Interface RJ-11Dialing Options EIA-366 or AT out-of-band AT in-band dial commands Front panel keypad (standalone unit only) V.25 bis in-band (async, bi-sync, SDLC) Switch stored number Switch speed dial DTR stored number (pulsed/constant)Diagnostics Local: DTE, DTE and loop, DTE with test pattern, looponly, test pattern Remote: V.54 with 2047 and 511 test patterns or datafrom DTEDSU III S2W2-Wire Switched 56 DSU/CSUAgency Approvals UL 1950, CSA FCC Part 15, Class AEnvironment Operating: 0°C to 50°C (32°F to 122°F) Storage: -20°C to 70°C (-4°F to 158°F) Relative Humidity: Up to 95%, non-condensingPhysicalDimensions Standalone: 2.25" H, 8.75" W, 10.25" DWeight Standalone: 3 lbsPower 115 vAC, 60 Hz, 8 wattsProduct Includes 6-pin to 6-pin modular cable User manualOrdering InformationEquipment Part #DSU III S2W 1200015L2Specifications subject to change without notice. ADTRAN is a registeredtrademark of ADTRAN, Inc. All registered trademarks and trademarksmentioned in this publication are the property of their respective owners.ADTRAN, Inc.Attn: Enterprise Networks901 Explorer BoulevardHuntsville, AL 35806P.O. Box 140000Huntsville, AL 35814-4000256 963-8000 voice256 963-8699 fax256 963-8200 fax backGeneral Information800 9ADTRANinfo@adtran.comwww.adtran.comPre-SalesTechnical Support800 615-1176 toll-freeapplication.engineer@adtran.comwww.adtran.com/supportWhere to Buy877 280-8416 toll-freechannel.sales@adtran.comwww.adtran.com/where2buyPost-SalesTechnical Support888 423-8726support@adtran.comwww.adtran.com/supportACES Installation &Maintenance Service888 874-ACESaces@adtran.comwww.adtran.com/supportInternational Inquiries256 963 8000 voice256 963-6300 faxinternational@adtran.comwww.adtran.com/internationalFor the regional officenearest you, visit:www.adtran.com/where2buy61200015L2-8E April 2002Copyright © 2004 ADTRAN, Inc.All rights reserved.ADTRAN is aTL 9000 3.0 certified supplier.ADTRAN is anISO 9001: 2000 certified supplier.