Specifications subject to change without notice. ISU is a trademark of ADTRAN, Inc. 5ESS is aregistered trademark of Lucent, DMS-100 is a trademark of Northern Telecom, HP Openview is aregistered trademark of Hewlett Packard Company, Netview is a registered trademark of IBMCorporation, SunNet Manager is a registered trademark of Sun Microsystems, Inc., all othermarks or trademarks are property of their respective owners.Product SpecificationsNetwork Interface Four RJ-45s for ISDN 2B1Q Basic Rate U-Interface Up to four BRIs(Maximum of eight 56/64 kbps B channels)DTE Interface V.35 56 kbps to 512 kbps synchronous data ratesDialing Selections Manual from front panel In-Band DTE Dialing: V.25 bis DTR assertion From VT100 terminal interface RS-366Protocols Multilink PPP Clear Channel BONDING Mode 1Switch Compatibility National ISDN-1, Lucent 5ESS, NTI DMS-100, NECDiagnostic and Testing Local and remote loopbacks, V.54 loopback,2047 pattern (remote testing for BONDING mode only) Remote configurationISU 512e512 kbps ISDN Inverse Multiplexer with SNMPDisplay Two-line x 16-character LCDEnvironmental Operating Temperature: 0° to 50°C, 32° to 122°F Storage Temperature: -20° to 70°C, -4° to 158°F Relative Humidity: Up to 95%, non-condensingPhysical Dimensions: 2.5" H, 7.875" W, 10.5" D Weight: 3 lbs Power: 115 vAC, 60 Hz, 8 watts maximum dissipationProduct Includes Four 7 foot RJ-45 telephone cables User ManualOrdering InformationEquipment Part #ISDN Ordering Codes are available to aid in orderingISDN lines for this product.ISU 512e 1203086L1ADTRAN, 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/where2buyPrinted in the U.S.A.61203086L1-8A May 2002©2002 ADTRAN, Inc. All rights reserved.ADTRAN is aTL 9000 registered company.ADTRAN is aISO 9001 registered company.eeeEthernet LANISDNISDNISDNPCVideo-ConferenceEquipmentCSU/DSU