51.6 SERVICEAll warranty and non-warranty repairs must be returned freightprepaid and insured to Patton Electronics. All returns must have aReturn Materials Authorization number on the outside of the shippingcontainer. This number may be obtained from Patton ElectronicsTechnical Support at:tel: (301) 975-1007;email: support@patton.comwww: http://www.patton.com.NOTE: Packages received without an RMA number will not beaccepted.Patton Electronics' technical staff is also available to answer anyquestions that might arise concerning the installation or use of yourPatton Model 2711. Technical Service hours: 8AM to 5PM EST,Monday through Friday.62.0 GENERAL INFORMATIONThank you for your purchase of this Patton Electronics product.This product has been thoroughly inspected and tested and is warrant-ed for One Year parts and labor. If any questions arise during installa-tion or use of the unit, contact Patton Electronics Technical Services at(301) 975-1007.2.1 FEATURES• Operates over 4-Wire T1 (DS1) Circuits• Supports Unstructured Rates at 1.544 Mbps• Supports Common Framed nx56/64 rates up to 1.536 Mbps• Seven Easy-to-Read LED Indicators Monitor Data & Diagnostics• Internal or Receive Loopback Clocking• Also Works as a High-Speed Point-to-Point Modem• Compact Size Plugs Directly into a Router, Switch or other DTE• Made in USA2.2 GENERAL PRODUCT DESCRIPTIONThe Model 2711 Series T1 CSU/DSUs continue Patton’s traditionof high quality,miniature access products. The Model 2711 SeriesCSU/DSUs plug directly into the WAN port of a switch, router or multi-plexer. The 2711MicroLink T1™ supports a single T1 or FT1 connec-tion at data rates of 1.544 Mbps (unstructured), nx64, and nx56 (n=1,2, 3,....24). Moreover, the starting channel can be set to any value from1 to 24.The Model 2711 Series is easily configurable using pc-boardmounted DIP switches. Use the DIP switches to set D4 and ESF fram-ing modes, AMI or B8ZS line coding, clocking modes, Line Build Out,Data Rate, and starting channel. Connecting directly to the V.35 inter-face, the ultra-compact Model 2711 attaches without using additionalcables. Twisted-pair line connections are facilitated by a modular RJ-48S jack on the rear of the unit.Seven easy-to-read LED indicators monitor data, network, test sig-nals, and proper setup. Model 2711 is also available for 120 VAC or100-240 Universal Interface (UI), or even DTE Interface power opera-tion.