3Com manual Dual T1/PRI Maintenance

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	Menu Option 4	2-15
	Assigning timing source priority	2-15
	Menu Option 5	2-15
	Configuring chassis slot devices	2-15
	Menu Option 6	2-16
	Configuring the modem routing method	2-16
	Menu Option 7	2-16
	Configuring the UI console password	2-16
	Menu Option 8	2-16
	Enabling automatic DS0 state change	2-16
	Menu Option 9	2-17
	Companding Code Configuration	2-17
	Configuring Software Fault Event Logging	2-17

3 DUAL T1/PRI M AINTENANCE
	Dual T1/PRI Commands	3-1
	Menu Option 1	3-2
	Resetting the highest priority timing source	3-2
	Menu Option 2	3-2
	Resetting the PRI NAC	3-2
	Menu Option 3	3-2
	Enter/Exit span-to-spanpass-thru loopback mode	3-2
	Menu Options 4 and 6	3-3
	Forcing receiver reframe on the span lines	3-3
	Menu Options 5 and 7	3-3
	Disconnecting calls on specific span line B-channels	3-3
	Menu Option 8	3-3
	Forcing the NAC to master the TDM bus	3-3
	Menu Options 9 and 10	3-3
	Entering and exiting locally initiated loopbacks on the
	span lines	3-3
	Menu Option 11	3-4
	Disabling red ALARM LEDs	3-4
	Menu Options 12 and 13	3-4
	Connect/disconnect B-channel on span lines 1 and 2	3-4
	Menu Options 14 and 15	3-4
	Changing individual DS0 service states	3-4

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Contents Dual T1/PRI Version NumberDual 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 Information This Reference About this ReferenceFinding Specific If you are looking for Turn toConventions This table lists conventions used throughout this referenceIcon Description Overview Supported FeaturesAccessing User InterfaceCallout # Lines 1 Dual T1/PRI ConfigurationConfiguring Span Interface UI console’s main menuMenu Option 1 Configuring the span line’s framing mode Framing mode selects the T1 formatMenu Option 2 Configuring the span line’s line coding This diagram represents this process Menu Option 4 Configuring the span line’s jitter attenuationMenu Option 6 Configuring for the Telco’s switch type Menu Option 7 Configuring the span line’s idle bit patternMenu Option 8 Mapping the span line’s DS0s to chassis modems DS0#sl#/ch#Menu Option 11 Configuring span level call-type blocking Menu Option 9 Configuring the span line’s signaling channelMenu Option 10 Configuring the span line’s interface ID Menu Option 12 Configuring span level cause codesMenu Option 13 Configuring the DS0 level call-type blocking Cause Code Type Default Cause Code Value DescriptionFollowing types of cause codes are supported Menu Option 14 Configuring the DS0 level service state Menu Option 15 Configuring the Short Haul NIC line lengthDSS DS0#, DS0#, DS0#-DS0#,... for multiple DS0s Any changes made will take effect immediately Routing ConfiguringInbound Call Menu Option 1 Selecting a Gateway to process digital callsConfiguring inbound call routing PHIDX#ph=PH#,ct=xIDP# Use the following syntax to assign a pool type to a pool ID IdptCard Menu Option 1 Saving configuration changes to NvramSaved to Nvram will be restored Menu Option 9 Allowing ISDN-GWC terminationMenu Option 5 Configuring chassis slot devices Menu Option 2 Restoring configuration from NvramMenu Option 3 Restoring the default configuration Menu Option 4 Assigning timing source priorityMenu Option 6 Configuring the modem routing method Menu Option 7 Configuring the UI console passwordMenu Option 8 Enabling automatic DS0 state change Configuring Software Fault Event Logging Menu Option 9 Companding Code ConfigurationCommands and logging out of the user interface UI console Dual T1/PRI MaintenanceCommands Dual T1/PRIIssuing this command reboots the NAC Menu Option 1 Resetting the highest priority timing sourceMenu Option 2 Resetting the PRI NAC Selecting option 1 from the main menu produces this screenForcing receiver reframe on the span lines Forcing the NAC to master the TDM busMenu Options Changing span line service state Menu Option 11 Disabling red Alarm LEDsChanging individual DS0 service states Connect/disconnect B-channel on span lines 1Logging Out Command, from the console’s main menuFeature in the card configuration option of the main menu UI ConsoleDisplays Dual T1/PRI Status DisplaysDual T1/PRI Status From the user interface UI console’s main menuMenu Option 1 Checking power-up self test status RAMMenu Option 3 Checking chassis slot device configurations No NAC is installed and assigned to that particular slotMenu 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 statusChecking span line 1 and 2’s DS0 status NetServer PRI NAC Checking span line 1 and 2’s alarm/event statusTime slot is available and awaiting a call Time slots are mapped toDual T1/PRI Status Displays 8CHAPTER 4 Dual T1/PRI Status Displays Press Ctrl-Rto reset any of the counters on this screen Trouble Clearing Using the LEDsIndicate line signal conditions Trouble clearing informationCD 1 or Alrm 1 or Lpbk 1 or T1 Condition LED Color Alarm Severity ResultLevels Layer 2 D-channel StatusCorrecting Alarm/Error Conditions Alarm/Error Level Trouble ClearingOff and signaling Channel Down Current Draw Technical SpecificationsCertification Regulatory United States ComplianceShipping and Storage Physical DimensionsEnvironment OperatingIndex Certification B-1INDEX-2