Paradyne 7510 DSU manual Health and Status, Hhhmmss

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Monitoring the DSU

Health and Status

The following messages appear in the first column of the System and Test Status screen. The highest priority Health and Status message also appears on all ATI screens on the bottom right.

Table 4-2. Health and Status Messages (1 of 2)

Message	What Message Indicates	What To Do

Cross Pair Detection

The DDS Receive (RX) and Transmit (TX) pairs are crossed on the network interface. Alarm LED is on.

Reverse the RX and TX pair at the punchdown block or other termination point.

No Signal	No signal is being received.	1.	Verify that the network cable is
hhh:mm:ss 1	Local DSU network problem.		securely attached at both ends.
	The Alarm and NS LEDs are	2.	Contact network provider.
	on and Network Performance	2.	Contact network provider.
	on and Network Performance
	Statistics are active.

Out of Service	DSU is receiving out of	1.	Verify that the remote site is in
hhh:mm:ss 1	service code from the		service.
	network for the remote unit.	2.	Contact network provider.
	The Alarm and OOS LEDs	2.	Contact network provider.
	The Alarm and OOS LEDs
	are on and Network
	Performance Statistics are
	active.

Out of Frame	DSU is detecting an out of	1.	Verify that the line rate matches
hhh:mm:ss 1	frame condition, associated		the configured rate.
	with:	2.	Contact network provider.
	H Receiving out of frame	2.	Contact network provider.
	H Receiving out of frame
	code from the network.
	H DSU detecting out of frame
	errors with 64 kbps CC
	data rate.
	H DSU unable to synchronize
	local receiver circuit with
	line signal.

Excessive BPVs	Data rates do not match or	1.	Verify that the network cable is
hhh:mm:ss 1	network trouble is causing		securely attached at both ends.
	bipolar violations. Alarm LED	2.	Contact network provider if
	is on and Network	2.	Contact network provider if
	is on and Network		problem persists.
	Performance Statistics are		problem persists.
	Performance Statistics are
	active.

User Data Port	The DTE is not ready to	Check on the DTE status. Verify
DTR Off	transmit or receive data. This	that the DTE is powered up and
	message will not appear	asserting DTR.
	unless Monitor DTR is
	enabled.

1hhh:mm:ss indicates the amount of time the condition has existed in hours, minutes, and seconds. When the maximum time has been exceeded, 255:59:59+ appears.

7510-A2-GB20-10

November 1997

4-3

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Contents Model 7510 DSU Copyright 1997 Paradyne Corporation All rights reserved Contents Monitoring the DSU Configuration Option Tables IndexAbout This Guide Document Purpose and Intended AudienceDocument Summary Product-Related Documents Model 7510 DSU Startup InstructionsModel 7510 DSU Features About the DSUTypical DSU Configurations FrameRouter Relay Network User Interfaces Rear Panel InterfacesModem TerminalUsing the Asynchronous Terminal Interface Connecting to the Terminal PortInitiating an ATI Session SelectMain Menu Status Test Configuration Control Load From Screen Format TypesWhat Affects Screen Displays Use the screen formatScreen Work Areas Menu PathNavigating the Screens Keyboard KeysPress Screen Function Keys For the screen Select Press Return to FunctionSwitching to the Screen Function Key Area ExampleEnding an ATI Session Customizing the DSU Identifying the Device and SystemMain Menu → Control → Device Name Device NameSaving Configuration Options If you select ThenConfiguring the DSU Configuration Option AreasAccessing and Displaying Configuration Options Configuration Option Area Configuration Option SetMonitoring the DSU What to MonitorViewing System and Test Status Main Menu → Status → System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Health and Status HhhmmssSelf-Test Results Self-Test Results Messages What Message Indicates What To DoTest Status Messages Test Status Messages MeaningViewing Network Interface Status Main Menu → Status → Network Interface StatusViewing Network Performance Statistics Network Performance StatisticsAlarm Test DM OOS OOF NS TXD RXD RTS CTS DTR Monitoring the LEDsMain Menu → Status → Display LEDs Display Leds System NetworkAlarm System LEDsDM ± Data Mode OOS ± Out of ServiceNS ± No Signal Network LEDsPort LEDs Testing Accessing the Test MenuMain Menu → Test TestDevice Messages Loopback Type Initiated By Table A- 2, Network Interface OptionsRunning Network Tests Main Menu → Test → Network TestsNetwork Tests CSU or External Network Loopback DSU or Internal Network Loopback Send V.54 Up/Down SequencesTest Pattern for the Network Running Data Port Tests Main Menu → Test → Data Port TestsData Port Tests Local Loopback Test Pattern for the DTERunning the Lamp Test Main Menu → Test → Lamp TestEnding an Active Test Messages and Troubleshooting Messages and TroubleshootingResponding to Device Messages Device Messages 1 What Message Indicates What To DoDevice Messages 2 What Message Indicates What To Do Troubleshooting Troubleshooting 1 Symptom Possible Cause SolutionsResetting the DSU Troubleshooting 2 Symptom Possible Cause SolutionsMain Menu → Control → Reset Device Displaying DSU Identity InformationConfiguration Option Tables Select To Access To ConfigureOverview Status Load Edit/Display TestOperating Mode Lads Timing Possible Settings Internal, External, ReceiveSystem Options Menu Table A-1. System Options 1Test Timeout Table A-1. System Options 2Lads Line Rate Kbps Test Duration minNetwork Interface Options Menu Table A-2. Network Interface OptionsNetwork-initiated DSU Loopback 64K CC Data Scrambling 64K CCData Port Options Menu Table A-3. Data Port Options 1Invert Transmit Clock Bilateral LoopbackTable A-3. Data Port Options 2 Carrier Control by RTSRlsd Control Inactivity Timeout Terminal Port OptionsTable A-3. Data Port Options 3 Table A-4. Terminal Port Options 1Table A-4. Terminal Port Options 2 Disconnect TimeminutesConfiguration Worksheets Configuration Option SettingsWorksheets Network Interface Cables and Pin Assignments Terminal Port EIA-232 Connector Signal Direction Pin #User Data Port Connector SignalNumber Direction Pin Socket Connector Standard EIA-232-D Crossover Cable PinLAN Adapter Converter and Cable Modular RJ48S DDS Network Interface CableRJ48S DDS Network Interface Cable Functions Circuit Pin # Cable Plug to Modular Jack LAN AdapterTechnical Specifications Table D-1. Model 7510 DSU Technical Specifications 1Table D-1. Model 7510 DSU Technical Specifications 2 Network InterfaceNetwork Compatibility DTE Data Port InterfaceGlossary Factory defaults EIA-232Excessive BPV Frame relayReset MultiplexingNode Non-latchingIndex NumbersIN-2 IN-3