ADTRAN NxT1 HSSI/V.35 Functional Description, Features, NXT1 HSSI/V.35 Module Specifications

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Chapter 1. Introduction

When combined with the supported ATLAS 800 Series base units and, optionally, one or more Quad T1/PRI or T3 Modules, the NxT1 HSSI/V.35 Module can implement high-speed point-to-point connectivity), combining multiple T1 circuits into one logical channel on the HSSI/V.35 interface.

FUNCTIONAL DESCRIPTION

The NxT1 HSSI/V.35 Module installs in any available option slot in the supported ATLAS 800 Series units. You can view the status of the module itself, as well as the circuits to which it interfaces, from the front panel (ATLAS 800PLUS only). Additional status information is available via the terminal menus, accessible through either a VT-100 terminal connected to the ATLAS 800 Series control port, or via a Telnet session established through the unit’s Ethernet port. Use the terminal menu to configure the NxT1 HSSI/V.35 Module and to download application software.

FEATURES

Features of the NxT1 HSSI/V.35 Module are listed here:

•Standard SCSI-II 50-pin connector for HSSI interface

•Optional V.35 interface using adapter cable (ADTRAN P/N 3125I081)

•Hot swappable

•Maximum distance 6,000 feet (DS-1), 655 feet (DSX-1) when using 24 gauge conductor

NXT1 HSSI/V.35 MODULE SPECIFICATIONS

Each T1 port of the NxT1 HSSI/V.35 Module conforms to the following specifications:

Line Rate

1.544 Mbps ± 75 bps

Framing

D4, SF or ESF per ANSI t1.403 and AT& T TR 54016

Line Coding

•B8ZS (Bipolar Eight Zero Substitution)

•AMI (Alternate Mark Inversion)

Alarms

Loss of Signal (LOS), Red, Yellow, Blue

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NxT1 HSSI/V.35 Module User Manual

61200771L1-1

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Contents NxT1 HSSI/V.35 Module Page Save These Important Safety Instructions Affidavit Requirements for Connection to Digital Services Page Page SOC REN FIC Usoc Page Page Limited Product Warranty Customer Service, Product Support Information, and Training Post-Sale Support Table of Contents Appendix a Dedicated Maps Configuration List of Tables List of Tables List of Figures Figure A-1 Dedicated Maps MenuList of Figures Introduction NXT1 HSSI/V.35 Module OverviewFunctional Description FeaturesNXT1 HSSI/V.35 Module Specifications Line or payload loopback Local and Remote Physical Description NxT1 HSSI/V.35 Option ModuleInstallation Before Installing the NXT1 HSSI/V.35 ModuleInstalling the NXT1 HSSI/V.35 Module Wiring Usoc RJ-48CPower UP and Initialization Failed Self-Test Operation AlarmsTerminal Menu Structure OperationOverview Modules Read security Write security 3 Read securityModules/Menu on Nor has a module been manually enabled for this option slot Displays the assembly revision Sembly revisionDisplays the part number of the module Displays the serial number of the moduleAccess this menu item Write security 2 Read security Write security 4 Read security Option ModuleRead Security 5 Write Security Functionality between the DTE and the T1 interfacesLA and LB RX Rate and TX Rate Atlas Features Used with NXT1 HSSI/V.35 Module Options RestoreOperation Appendix a Dedicated Maps Configuration Write security3 Read security5Read security5 CREATE/EDIT Maps Write security3 Read security5Write security3 Read security Security level 3 Read securityNXT1 Hssi MenusT1 Trouble Code Service Appendix A. Dedicated Maps Configuration Index Index Index-48
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