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TSU LT User Manual

Chapter 2 Inspection and Installation

61203060L1-1A

© 2003 ADTRAN, Inc.

25

In addition to the specified self-tests, background tests are run on various parts of the internal electronics.
These run during normal operation to confirm continued correct functioning. The background tests include
the following:

•

Monitoring the phase-locked loop for lock.

•

Standard background network performance monitoring.

The self-test works as follows:

The automatic self-test consists of the following tests:

•

Board level tests

•

Random access memory (RAM) tests; erasable programmable read only memory (EPROM) checksum

•

On-board data path. Sending a known test pattern through an on-board loop

•

Unit level tests

•

Front panel LED verification

•

Phase lock loop verification

If...

Then...

a power-up (or commanded) self-test occurs

the LCD displays ADTRAN TSU INITIALIZING and the LEDs
illuminate sequentially.

the self-test completes with no failures detected

the LCD momentarily displays ALL TESTS PASSED.

a failure is detected

it is displayed in the LCD window.

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Содержание TSU LT

Страница 1: ...TSU LT USER MANUAL Part Number 1203060L1 61203060L1 1A April 2003...

Страница 2: ...pecial incidental or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this publication About this Manual This manual provides a complete d...

Страница 3: ...ision Date Description of Changes A April 2003 Initial release of new part number B C D E F G Notes provide additional useful information Cautions signify information that could prevent service interr...

Страница 4: ...ng pool 2 Avoid using a telephone other than a cordless type during an electrical storm There is a remote risk of shock from lightning 3 Do not use the telephone to report a gas leak in the vicinity o...

Страница 5: ...facilities equipment operations or procedures that could affect the proper operation of your equipment If they do you will be given advance notice to give you an opportunity to maintain uninterrupted...

Страница 6: ...is required to be given to the telephone company whenever digital terminal equipment without encoded analog content and billing protection is used to transmit digital signals containing encoded analog...

Страница 7: ...Part 68 of the FCC Rules and Regulations The digital CPE does not transmit digital signals containing encoded analog content or billing information which is intended to be decoded within the telecommu...

Страница 8: ...trate compliance with the information as provided in the preceding paragraph if so requested _________________________________Signature _________________________________Title _________________________...

Страница 9: ...number of terminals that can be connected to a telephone interface The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the RENs of...

Страница 10: ...the contact information given below Repair and Return If you determine that a repair is needed please contact our Customer and Product Service CAPS department to have an RMA number issued CAPS should...

Страница 11: ...Services ACES program offers multiple types and levels of installation and maintenance services which allow you to choose the kind of assistance you need This support is available at For questions ca...

Страница 12: ...Customer Service Product Support Information and Training TSU LT User Manual 12 2003 ADTRAN Inc 61203060L1 1A...

Страница 13: ...23 TSU LT Interfaces 23 Power Up Testing Initialization 24 Self Test 24 Chapter 3 Operation 27 Front Panel 27 LCD Window 28 Main Menus 28 Status 29 Config Configuration 29 Util Utility 30 Test 30 Exam...

Страница 14: ...de 48 Keypad 48 Fact Restore 48 Chapter 7 Test Menu 49 Network Tests 49 Local Loopback 49 Remote Loopback 50 Test Pattern 51 CLR Errors 51 Insert 511 Errors 51 Run Self Test 51 Port Tests 52 Chapter 8...

Страница 15: ...ored Seconds Screen 36 Figure 4 3 Loss of Signal Current Errors Alarms Screen 36 Figure 4 4 Clear History Screen 37 Figure 5 1 Configuration Menu Tree 39 Figure 5 2 Network Submenu 40 Figure 5 3 Netwo...

Страница 16: ...List of Figures TSU LT User Manual 16 2003 ADTRAN Inc 61203060L1 1A...

Страница 17: ...l 27 Table 3 2 LCD Features 28 Table 4 1 Network Interface Performance Reports 15 Min 24 Hours 36 Table 4 2 Alarms and Errors Current and Historical 37 Table 5 1 Network Interface Submenus 40 Table 5...

Страница 18: ...List of Tables TSU LT User Manual 18 2003 ADTRAN Inc 61203060L1 1A...

Страница 19: ...l equipment DTE data can occupy contiguous or alternate channels in the T1 stream and the channels may start at any position TSU LT Physical Description Figure 1 1 shows the TSU LT front panel and Fig...

Страница 20: ...contiguous TSU LT Interfaces The TSU LT is equipped with four interfaces Network DS1 interface per AT T 62411 Nx56 64 serial V 35 Control input EIA 232 Chain port input Chain port output TSU LT BRIDGE...

Страница 21: ...RJ 48 T1 Cable Documentation CD Loopback plug INSTALLING THE TSU LT Power Connection Each TSU LT unit comes with an eight foot power cord terminated by a three prong plug which connects to a grounded...

Страница 22: ...nductor shall be connected to the product at the terminal provided and shall be connected to ground in a manner that will retain the ground connection when the product is unplugged from the receptacle...

Страница 23: ...7 shows the pinouts Network DS1 interface per AT T 62411 Control input EIA 232 chain port input Chain port output Nx56 64 serial V 35 Table 2 1 Number Identification for TSU LT Rear Panel No Item Func...

Страница 24: ...llowing data rates N 56K or N 64K where N 1 to 24 DS0s POWER UP TESTING INITIALIZATION Self Test When shipped from the factory the TSU LT is set to factory default conditions When you first power up t...

Страница 25: ...self test works as follows The automatic self test consists of the following tests Board level tests Random access memory RAM tests erasable programmable read only memory EPROM checksum On board data...

Страница 26: ...Chapter 2 Inspection and Installation TSU LT User Manual 26 2003 ADTRAN Inc 61203060L1 1A...

Страница 27: ...tures identified by number in Figure 3 1 Figure 3 1 TSU LT Front Panel Table 3 1 Number Identification for TSU LT Front Panel Item Displays Function 1 PWR LED ON when power is received by TSU LT 2 ERR...

Страница 28: ...submenus Appendix A TSU LT Menu Tree on page 55 contains the complete TSU LT menu tree Figure 3 2 TSU LT Main Menu Screen Operation Keys 10 Up Down Keyboard arrows used to travel up down menu trees Ar...

Страница 29: ...UNIT 3 PORT 1 SOFTWARE REV 3 UTIL 2 REINIT UNIT 3 ADDRESS 1 NETWORK TESTS 4 SET PASSCODE 4 TEST 2 RUN SELFTEST 5 KEYPAD 3 PORT TESTS 6 FACT RESTORE NI PERF RPTS Use to view and reset the user set of d...

Страница 30: ...einitializes the unit runs a self test This menu does not restore the factory default settings ADDRESS Use to view and change the current unit address used for control port access Acceptable addresses...

Страница 31: ...1 Use the front panel UP and DOWN arrows to place the cursor on a main menu item in this example 2 CONFIG See Figure 3 4 2 Press ENTER The unit responds by displaying the first two available submenu f...

Страница 32: ...data field to the right of the submenu item name You can now use the UP and DOWN arrows to scan the available settings which display in the data field position one at a time 3 When the appropriate val...

Страница 33: ...onfiguration of the TSU LT using a graphic interface The T Watch PRO program displays the same status and performance data as the front panel LCD This data is displayed as tables and graphs In additio...

Страница 34: ...Chapter 3 Operation TSU LT User Manual 34 2003 ADTRAN Inc 61203060L1 1A...

Страница 35: ...s cannot be edited only viewed or cleared To clear the counters move to the RESET PERF CNTRS menu and press ENTER To exit the menu press the front panel CANCEL key Only the user copy of performance da...

Страница 36: ...the errors and alarms Figure 4 3 Loss of Signal Current Errors Alarms Screen Table 4 1 Network Interface Performance Reports 15 Min 24 Hours Data Type Description SES Number of severely errored secon...

Страница 37: ...nd Historical Errors and Alarms Meaning Loss of Signal No pulses received at NI AIS Alarm Unframed All Ones received at NI Out of Frame No framing pattern sync at NI Yellow Alarm Receiving yellow alar...

Страница 38: ...Chapter 4 Status Menu TSU LT User Manual 38 2003 ADTRAN Inc 61203060L1 1A...

Страница 39: ...1 Configuration Menu Tree NETWORK NI MENU Use this menu to access the configuration of parameters associated with the network interface in the TSU LT This branch includes six submenus see Table 5 1 o...

Страница 40: ...e for the NI Choices AMI B8ZS YEL ALRM Enables and disables the transmitting of yellow alarms Choices ENA enable DISA disable XMIT ALRM Enables and disables the transmitting of performance report mess...

Страница 41: ...also referred to as looped timed as the transmission clock is derived from the received clock See Figure 5 3 Figure 5 3 Network Timed Clock Source DTE Timing The DTE is the source of timing The TSU LT...

Страница 42: ...se its own internal oscillator as the source of timing Applications include private line driver circuits where one end is set to network and the other to internal See Figure 5 5 Figure 5 5 Internal Cl...

Страница 43: ...erving as the MASTER unit The modem should be physically connected to the TSU LT with the power turned on prior to initialization At this point an industry standard AT command string is used to initia...

Страница 44: ...in Appendix B DTE Data Rate Chart on page 57 Choices 56K 64K CHANNELS Sets the unit to use ALTERNATE or CONTIGUOUS channels in the T1 data stream If more than 12 channels are used then CONTIGUOUS must...

Страница 45: ...hoices NORMAL see Table 5 2 on page 46 FORCE ON DSR Data Set Ready Indicates to the DTE when the DCE is turned ON and ready for operations Choices NORMAL see Table 5 2 on page 46 FORCE ON INBAND Inban...

Страница 46: ...Table 5 2 Normal Mode Operation NORMAL MODE OPERATION Conditions which cause the Port Control Signals to be deactivated SIGNAL RTS V 54 LOOP BK 511 TST ON SELF TEST ACTIVE NETWK TEST ACTIVE NO DS0 MA...

Страница 47: ...he unit Do not use this submenu to restore the factory default settings for all parameters instead use the factory restore submenu number 6 ADDRESS Displays and changes the unit address setting To vie...

Страница 48: ...ge the digits After changing a digit press ENTER to move to the next digit To skip a digit press ENTER while the cursor is blinking on that digit KEYPAD Allows the user to lock or unlock the front pan...

Страница 49: ...s include 1 LOCAL LOOPBK 2 REM LB 3 TEST PATTERN 4 CLR ERRS and 5 INSERT 511 ERR Local Loopback The three choices available for setting the local loopback include NO LOOPBACK LINE ON and Test executio...

Страница 50: ...es the loopback V 54 Inband PLB Indicates inband transmission of V 54 loop up pattern in channels occupied by DTE data only This choice should be used for public fractional network ANSI FDL LLB Per AN...

Страница 51: ...the local TSU LT Then view the CLR ERRORS screen to determine if the link is functioning properly by verifying that no errors are being counted Insert 511 Errors When running a 511 pattern test press...

Страница 52: ...ote the failure number and contact ADTRAN Technical Support PORT TESTS These two tests DTE LOOPBCK and DATA LOOPBCK control the activation of a DTE loopback and a data loopback see Figure 7 4 The DTE...

Страница 53: ...ath Use the 511 test pattern with any T1 configuration regardless of the channel configuration because 511 is always sent in the occupied channels Complete the steps outlined below to loop up the remo...

Страница 54: ...esults complete the following steps to return the TSU LT to normal operation 1 Press CANCEL to return to submenu item TEST PATTERN 2 Select NO PATTERN to terminate the test and the 511 pattern generat...

Страница 55: ...RY CVs RED ALARM LOSS OF SIGNAL 1 STATUS CODE VIOLATIONS AIS ALARM BIPOLAR VIOL OUT OF FRAME FRAME BIT ERRORS YELLOW ALARM PLL ALARM RED ALARM CODE VIOLATIONS 3 ERR ALM HIST BIPOLAR VIOLATIONS FRAME B...

Страница 56: ...ADDRESS 4 SET PASSCODE 5 FACT RESTORE NO LOOPBACK 1 LOCAL LOOPBK LINE ON PAYLOAD ON NO LOOPBACK 2 REMOTE LOOPBK V 54 INBAND PLB 1 NETWORK TESTS ANSI FDL LLB NO PATTERN AT T INBAND LLB 1 8 ALL DS0S ANS...

Страница 57: ...E 64K N 1 56K 64K N 2 112K 128K N 3 168K 192K N 4 224K 256K N 5 280K 320K N 6 336K 384K N 7 392K 448K N 8 448K 512K N 9 504K 576K N 10 560K 640K N 11 616K 704K N 12 672K 768K N 13 728K 832K N 14 784K...

Страница 58: ...Appendix B DTE Data Rate Chart TSU LT User Manual 58 2003 ADTRAN Inc 61203060L1 1A...

Страница 59: ...r or modem See Table C 2 for the pin assignment for this connector Table C 1 Network Pin Assignments Pin Name Description 1 R1 RXDATA Receive data from the network Ring 2 T1 RXDATA Receive data from t...

Страница 60: ...t for this connector Table C 3 Chain Out Pin Assignments Pin Name Description 1 GND Ground connected to unit chassis Connect to GND of next unit pin 1 2 UNUSED 3 TXDATA Data transmitted to chained uni...

Страница 61: ...RTS from DTE D 106 Clear to send CTS to DTE E 107 Data set ready DSR to DTE F 109 Received line signal detector DCD to DTE H Data terminal ready DTR from DTE J Ring indicator RI L Local loopback LL N...

Страница 62: ...Appendix C Pinouts TSU LT User Manual 62 2003 ADTRAN Inc 61203060L1 1A...

Страница 63: ...rate chart 57 timing 41 DTE loopback test 52 E Error Alarm history 29 menu 36 ES errored seconds 36 Example menu operations 31 exiting menus 32 F Factory defaults 30 Failure is detected 25 Far end lo...

Страница 64: ...50 AT T PLB 50 no loopback 50 V 54 inband PLB 50 Restore factory defaults 30 48 Run self test 30 Running self test 51 S selecting main menus 31 selecting submenus 32 self test running 51 Serial inter...

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