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61200060L1-1

TSU User Manual

3-1

Chapter 3

Operation

METHODS OF OPERATION

The TSU can be configured and controlled by two different
methods:

•

Local Front Panel

•

From Adtran’s PC Control program, T-WATCH

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Summary of Contents for 1200060L1

Page 1: ...TSU T1 FT1 Data Channel Service Unit Part Number 1200060L1 User Manual 61200060L1 1B September 1999...

Page 2: ...901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 1999 ADTRAN Inc All Rights Reserved Printed in U S A...

Page 3: ...provide additional useful information Cautions signify information that could prevent service interrup tion Warnings provide information that could prevent damage to the equipment or endangerment to h...

Page 4: ...opportunity maintain uninterrupted service 4 If you experience trouble with this equipment please contact Adtran at 888 4Adtran for repair warranty information The telephone company may ask you to dis...

Page 5: ...d can radiate radio frequency energy and if not installed and used in accor dance with the instruction manual may cause harmful interference to radio fre quencies Operation of this equipment in a resi...

Page 6: ...y tub in a wet basement or near a swimming pool 2 Avoid using a telephone other than a cordless type during an electri cal storm There is a remote risk of shock from lightning 3 Do not use the telepho...

Page 7: ...fails while in service For detailed warranty repair and return information see the ADTRAN Equipment Warranty and Repair and Return Policy Procedure on the inside back page of this manual Return Materi...

Page 8: ...viii...

Page 9: ...56 64 Serial Interface 1 6 Control Port Input 1 6 Chain Port Output 1 6 Three Methods of Control 1 7 Front Panel 1 7 Adtran PC Program 1 7 SNMP 1 7 TSU Clock Sources 1 8 Network Timed 1 8 DTE Timed 1...

Page 10: ...on 3 1 Front Panel Operation 3 2 General Menu Operation 3 3 Data Field 3 3 Display Field 3 3 Arrows 3 3 Example Menu Operation 3 3 Setting the Data Field 3 4 Viewing Display Only Data Fields 3 5 To Ex...

Page 11: ...2 CONFIG 3 17 1 CNTRL PORT 3 17 2 ALARMS 3 18 3 PORT SUBMENU OF CONFIG 3 19 UTIL 3 21 1 Time Date Submenu of 3 Util 3 21 2 Software Rev Submenu of 3 Util 3 23 3 Reinit Unit Submenu of 3 Util 3 23 4 Ad...

Page 12: ...Table of Contents xii TSU User Manual 61200060L1 1...

Page 13: ...igure 1 7 Network Loopback Tests 1 12 Figure 1 8 DTE Interface Loopback 1 13 Figure 1 9 Simple Bridge Application on a T1 or FT1 Circuit 1 14 Figure 3 1 Front Panel Layout 3 2 Figure 3 2 The Four Open...

Page 14: ...List of Figures xiv TSU User Manual 61200060L1 1...

Page 15: ...l xv List of Tables Table 2 1 Network Pin Connection 2 2 Table 2 2 Control In Chain In Pin Connection 2 3 Table 2 3 Chain Out Pin Connection 2 4 Table 2 4 Primary V 35 Pin Connection 2 5 Table 3 1 Nor...

Page 16: ...List of Tables xvi TSU User Manual 61200060L1 1...

Page 17: ...eated a demand also for T1 data communication which now is a large part of the T1 traffic T1 Service Offerings T1 is a digital service that is delivered to the user over two pairs of wires from the se...

Page 18: ...re the same interoffice T1 bandwidth Fractional T1 remains almost exclusively an Inter Exchange Carrier IXC service Local Exchange Carriers LECs typically do not offer FT1 so the user s proximity to t...

Page 19: ...of a slot in the rear panel to house an option module Each module offers up to four additional data ports 3 TSU 600 same as the TSU with the added feature of six slots in the rear panel to house up t...

Page 20: ...ON CONTROL 1 2 3 4 5 6 7 8 9 Item Function 1 Network T1 FT1 Network Interface Test Jacks 2 IN Bantam Test Jack 3 OUT Bantam Test Jack 4 MON Monitor Bantam Test Jack Control 5 Chain In Interface of Ch...

Page 21: ...ternally All ones 3 24 511 and 1 8 Test Patterns Extensive self test and monitoring provides assurance of proper operation Flexible channel allocation any starting channel and alternate or contiguous...

Page 22: ...ial Interface Data rates N 56k or N 64k where N 1 to 24 DS0s Inverted data Inverted HDLC A V 35 interface Standard V 35 connectors Test loopbacks with 511 pattern generation and check Extensive self t...

Page 23: ...e TSU using a graphic interface The T WATCH program displays the same status and performance data as the front panel LCD This data is displayed in the form of tables and graphs The T WATCH program has...

Page 24: ...ming Network Timed The network is the source of timing The received data clocking is looped back to the network where it is used to determine the transmission timing This option is also referred to as...

Page 25: ...e incoming DTE clock to determine the transmission timing This is typically used in applications where it is necessary to have the DTE as the Primary Clock Source such as limited distance line drivers...

Page 26: ...The TSU is configured to use 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...

Page 27: ...front panel menu or from the control port In addition to the specified self tests background tests are also run on various parts of the internal electronics These will run during normal operation to c...

Page 28: ...toward the network The transmitted data is the identical line code that was received including any bipolar violations or framing errors Payload Loopback similar to Line loopback except that the frami...

Page 29: ...provide any test pattern in order to check the DTE interface Figure 1 8 DTE Interface Loopback Pattern Generation The TSU offers four available test patterns All Ones 3 24 and 511 and 1 8 All Ones Ne...

Page 30: ...eck can be made on the DTE ports 1 in 8 The 1 8 pattern is used similarly to the 3 24 Each channel of the T1 has only one bit set Application Using the V 35 DTE interface a bridge or router can be int...

Page 31: ...ep the original shipping container for use in shipping the TSU back for repair or for verification of damage during shipment ADTRAN Shipments Include The TSU unit Line interface cable an 8 position mo...

Page 32: ...e network See Table 2 1 for the pinout for the Network connector Connector Type USOC RJ48C pn AMP 555164 2 Power to the TSU must be from a 115 VAC 60Hz that is grounded Table 2 1 Network Pin Connectio...

Page 33: ...In or another TSU Chain Out See Table 2 2 Connector Type RJ48 pn AMP 555164 2 Table 2 2 Control In Chain In Pin Connection CONTROL PIN CONNECTION PIN NAME DESCRIPTION 1 GND Ground Connected to Unit C...

Page 34: ...Out Pin Connection CHAIN OUT PIN CONNECTION 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 units by the TS...

Page 35: ...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 Remote Loopback RL R 104 Received...

Page 36: ...pon a power up or commanded self tests the LCD displays ADTRAN TSU INITIALIZING and the LEDs illuminate sequentially When the self test is completed with no failures detected the LCD will momentarily...

Page 37: ...61200060L1 1 TSU User Manual 3 1 Chapter 3 Operation METHODS OF OPERATION The TSU can be configured and controlled by two different methods Local Front Panel From Adtran s PC Control program T WATCH...

Page 38: ...being received 7 RS LED ON when RTS active from DTE 8 CS LED ON when TSU has CTS active toward DTE 9 LCD WINDOW A 2X16 Liquid Crystal Display LCD window that dis plays menu items used in configuratio...

Page 39: ...e data field Display Field A menu field followed by alarm or error information Arrows Menus that display small up or down arrows in the lower right corner indicate there are more menu items than are v...

Page 40: ...g the first two available data field items The cursor is on the number of the first item When there are more than two data field items for the selected submenu a down scroll key is visible on the lowe...

Page 41: ...le any time during the operation If used prior to pressing ENTER after making a data change the original data value is restored and the cursor returns to the submenu field Viewing Display Only Data Fi...

Page 42: ...s At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu 1 S T A T U S 3 U T I L...

Page 43: ...operation This menu includes the following sub items NI PERF RPTS Used to view the user s set of data on the Network Interface Performance Reports in compliance with ANSI T1 403 and AT T Document TR54...

Page 44: ...is not used to restore the factory default settings for all parameters ADDRESS View and change the current Unit Address used for control port access FACT RESTORE Restore factory default settings for a...

Page 45: ...dditional menu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu RESET...

Page 46: ...accumulated over the last 15 minutes and over the last 24 hours 1 With the cursor on main menu item 1 STATUS press ENTER The first two Status submenu items with the cursor on 1 NI PERF RPTS displays 2...

Page 47: ...ng procedures to exit the display SES Number of Severely Errored Seconds ES Number of Errored seconds AV of Available seconds EF of Error free seconds CVs Number of Code Violations 1 SES 15MIN 24HR 10...

Page 48: ...e used to access the complete display of the errors alarms that are currently active The alarms and errors which can be seen are shown below L O S S O F S I G N A L A C T I V E Alarm Investigated Stat...

Page 49: ...cursor on main menu item 1 STATUS 2 Press ENTER The first of three status submenu items display 3 Press the down scroll key twice The cursor is on 3 ERR ALM HIST 4 Press ENTER The cursor is on the CL...

Page 50: ...the allocation of the DS0s and the port parameters See Figure 3 4 Figure 3 4 Complete Configuration Menu 1 FORMAT 2 CODE 3 YEL ALRM 4 XMIT PRM 1 NETWORK NI 5 CLOCK SOURCE 6 BIT STUFFING 7 SET LBO 1 P...

Page 51: ...With the cursor on 1 NETWORK NI press ENTER The results display the first of two submenu items The down scroll indicates there are additional menu item selections available 2 Continue with standard o...

Page 52: ...rm the NI Choices NETWORK DTE INTERNAL BIT STUFFING When enabled Bit Stuffing causes the TSU to monitor for ones 1s density violations and insert a one 1 when needed to maintain ones at 12 5 This opti...

Page 53: ...t Units down the chain are referred to as Slaves or a Slave Unit The setting of the position selection is necessary only when using a modem in which case the head unit should be Master For all other c...

Page 54: ...ed are sent directly or if the telephone number stored in the TSU should be dialed first industry standard AT dial command sent to modem Choices DIRECT or DIAL TEL NUM This is the telephone number whi...

Page 55: ...If not then alternate channels may be used to meet pulse density requirements only necessary for Nx 64 without B8ZS If other than a private network the carrier must be notified of this choice Choices...

Page 56: ...l characteristics of CTS Choices NORMAL see Table 3 1 or FORCE ON DCD Data Carrier Detect Indicates to the DTE when a valid signal is being received at the Network Interface Choices NORMAL see Table 3...

Page 57: ...creen indicate the scrolling direction to view additional menu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repe...

Page 58: ...position 6 Press the down scroll key to move to DATE The cursor is on the D of DATE 7 To set the Date use the same keystroke pattern as for setting the Time 8 To exit the TIME DATE setting press ENTER...

Page 59: ...Customer Service or when updates are needed Follow standard operating procedure to access the 3 UTIL menu items 1 With the cursor on 2 SOFTWARE REV press the ENTER key The the current software revisio...

Page 60: ...se the up and down scroll keys to enter each digit Press ENTER 4 After entering the third digit press ENTER to record the complete Address The cursor returns to 4 ADDRESS for another menu selection to...

Page 61: ...nu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu Executing tests w...

Page 62: ...OOPBCK displays There are three available choices for setting the local loopback Line On Activates the line loopback Payload On Activates the payload loopback No loopback Deactivates the loopback 3 Us...

Page 63: ...the up and down scroll keys to select 1 LOCAL LOOPBACK or 3 PATTERN 3 PATTERN Sets the pattern for the test and initiates the transmission of the pattern The test is terminated by selecting NONE Ther...

Page 64: ...menu of 4 Test This menu selection is used to execute an internal self test This is the same self test that is performed automatically at power up The results of the self tests are displayed in the LC...

Page 65: ...oopback This test loops data received at theV 35 interface back towards the DTE 1 With the cursor on main menu item 4 TEST press ENTER The first two Test submenu items with the cursor on 1 NETWORK TES...

Page 66: ...Chapter 3 Operation 3 30 TSU User Manual 61200060L1 1...

Page 67: ...rn from both ends and check at both ends Far End Looped Back Test Two types of tests can be executed with the far end looped The first is a check of the network and the network interfaces at both ends...

Page 68: ...scroll keys to place the cursor on 2 REMOTE LOOPBK 7 Press ENTER to select 1 N E T W O R K T E S T S 2 R U N S E L F T E S T 2 R E M O T E L O O P B K N O L O O P B A C K 4 C L R 5 1 1 E R R O R S 5 1...

Page 69: ...to activate the TEST PATTERN submenu 12 Use the up and down scroll keys to select 511 ALL DS0s 13 Press ENTER to activate the selection The TSU always checks for 511 errors The results of this check...

Page 70: ...Chapter 4 Testing Example 4 4 TSU User Manual 61200060L1 1...

Page 71: ...T DS0s ALL ONES 3 UTIL 1 TIME DATE 2 SOFTWARE REV 3 REINIT UNIT 4 ADDRESS 5 FACT RESTORE TIME HH MM SS DATE MM DD YY Displays Current Software Revision Returns all configurations to factory settings N...

Page 72: ...Appendix A TSU Complete Menu A 2 TSU User Manual 61200060L1 1...

Page 73: ...6K 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 896K N 15 8...

Page 74: ...Appendix B DTE Data Rate Chart B 2 TSU User Manual 61200060L1 1...

Page 75: ...Warranty vii D Data Field 3 3 display only 3 5 Display Field 3 3 DTE Interface Loopbacks 1 13 DTE data rate chart B 1 DTE Loopback 1 13 DTE Timed 1 9 E exit menu operation 3 5 Extended Superframe 1 1...

Page 76: ...elf Test 1 11 self test upon powerup 2 6 self tests 1 11 Shipping package contents of 2 1 Software Revision 3 23 Status Menu Detail 3 9 Overview 3 7 T T1 service offerings 1 1 T1 FT1 overview 1 1 Test...

Page 77: ...r is needed Tech nical Support will coordinate with the Customer and Product Service CAPS department to issue an RMA number For information regard ing equipment currently in house or possible fees ass...

Page 78: ......

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