3Com T1/PRI specification

3Com Corporation 5400 Bayfront Plaza P.O. Box 58145 Santa Clara, CA 95052-8145

©1999

3Com Corporation All rights reserved Printed in the U.S.A.

Part No. 1.024.1367-01

Image 52

3Com T1/PRI manual

Contents

Dual T1/PRI Version Number Dual T1/PRI 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Configuring the span line’s interface ID Dual T1/PRI Maintenance Trouble Clearing Page About this Reference Finding SpecificInformation This Reference If you are looking for Turn to This table lists conventions used throughout this reference ConventionsIcon Description Supported Features AccessingOverview User Interface Callout # Dual T1/PRI Configuration Configuring SpanLines 1 Interface UI console’s main menu Framing mode selects the T1 format Menu Option 1 Configuring the span line’s framing modeMenu Option 2 Configuring the span line’s line coding This diagram represents this process Menu Option 4 Configuring the span line’s jitter attenuation Menu Option 6 Configuring for the Telco’s switch type Menu Option 7 Configuring the span line’s idle bit pattern Menu Option 8 Mapping the span line’s DS0s to chassis modems DS0#sl#/ch# Menu Option 9 Configuring the span line’s signaling channel Menu Option 10 Configuring the span line’s interface IDMenu Option 11 Configuring span level call-type blocking Menu Option 12 Configuring span level cause codes Cause Code Type Default Cause Code Value Description Menu Option 13 Configuring the DS0 level call-type blockingFollowing types of cause codes are supported Menu Option 15 Configuring the Short Haul NIC line length Menu Option 14 Configuring the DS0 level service stateDSS DS0#, DS0#, DS0#-DS0#,... for multiple DS0s Any changes made will take effect immediately Configuring Inbound CallRouting Menu Option 1 Selecting a Gateway to process digital calls Configuring inbound call routing PHIDX#ph=PH#,ct=x IDP# Use the following syntax to assign a pool type to a pool ID Idpt Menu Option 1 Saving configuration changes to Nvram Saved to Nvram will be restoredCard Menu Option 9 Allowing ISDN-GWC termination Menu Option 2 Restoring configuration from Nvram Menu Option 3 Restoring the default configurationMenu Option 5 Configuring chassis slot devices Menu Option 4 Assigning timing source priority Menu Option 7 Configuring the UI console password Menu Option 6 Configuring the modem routing methodMenu Option 8 Enabling automatic DS0 state change Configuring Software Fault Event Logging Menu Option 9 Companding Code Configuration Dual T1/PRI Maintenance CommandsCommands and logging out of the user interface UI console Dual T1/PRI Menu Option 1 Resetting the highest priority timing source Menu Option 2 Resetting the PRI NACIssuing this command reboots the NAC Selecting option 1 from the main menu produces this screen Forcing the NAC to master the TDM bus Forcing receiver reframe on the span linesMenu Options Menu Option 11 Disabling red Alarm LEDs Changing individual DS0 service statesChanging span line service state Connect/disconnect B-channel on span lines 1 Command, from the console’s main menu Feature in the card configuration option of the main menuLogging Out UI Console Dual T1/PRI Status Displays Dual T1/PRI StatusDisplays From the user interface UI console’s main menu Menu Option 1 Checking power-up self test status RAM No NAC is installed and assigned to that particular slot Menu Option 3 Checking chassis slot device configurationsMenu Option 2 Checking the T1/PRI’s overall status Menu Option 4 Checking DS0/modem channel status Menu Option 5 Checking the chassis’ Isdn gateway status Checking span line 1 and 2’s DS0 status Checking span line 1 and 2’s alarm/event status Time slot is available and awaiting a callNetServer PRI NAC Time slots are mapped to Dual T1/PRI Status Displays 8CHAPTER 4 Dual T1/PRI Status Displays Press Ctrl-Rto reset any of the counters on this screen Using the LEDs Indicate line signal conditionsTrouble Clearing Trouble clearing information Alarm Severity Result LevelsCD 1 or Alrm 1 or Lpbk 1 or T1 Condition LED Color Layer 2 D-channel Status Correcting Alarm/Error Conditions Alarm/Error Level Trouble Clearing Off and signaling Channel Down Technical Specifications CertificationCurrent Draw Regulatory United States Compliance Physical Dimensions EnvironmentShipping and Storage Operating Index Certification B-1 INDEX-2