Patton electronic X.21 Interfaces, 2707C, 2707D user manual Service, Tel 301 Mailsupport@patton.com

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1.3 SERVICE

All warranty and nonwarranty repairs must be returned freight prepaid and insured to Patton Electronics. All returns must have a Return Mate- rials Authorization number on the outside of the shipping container. This number may be obtained from Patton Electronics Technical Services at:

Tel: (301) 975-1007

E-mail:support@patton.com

URL: www.patton.com

Note Packages received without an RMA number will not be accepted.

Patton Electronics' technical staff is also available to answer any ques- tions that might arise concerning the installation or use of your Patton Model 2707. Technical Service hours: 8AM to 5PM EST, Monday through Friday.

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Contents User Manual An ISO-9001 Certiﬁed CompanyWarranty Information ConfigurationInstallation General InformationFCC Information Warranty InformationCE Notice Service Tel 301 Mailsupport@patton.comGeneral Information FeaturesDescription Configuration DIP Switch ConfigurationSwitch SW1-1 through SW1-8 Switch SW1-1 Line Coding HDB3 defaultPosition Function Factory Default Selected Option SW1-1 Line EncodingSW1-2 Local Loop Inactive default SW1-2 SettingSW1-8 Enable/Disable Loop Tests from DTE Clock ModeSW1-8 Setting SW1-6 and SW1-7 Clock ModesConnecting to the G.703 Network InstallationOpening the Case Connecting the Twisted Pair 120 Ohm to the G.703 Network Connecting the Serial PortConnecting to a DTE Device Connecting to a DCE DevicePower Connection Universal AC Power 100-240VACDC Power To Power Supply JackOperation POWER-UPLED Status Monitors Local Loop Diagnostics Operating Local Loopback LLAppendix a Model 2707, G.703 Specifications Signal Appendix B Model 2707, Interface PIN AssignmentAppendix B Pin # Signal Appendix C Model 2707, Interface PIN AssignmentAppendix D Model 2707, Factory Replacement Parts Accessories Model # Description