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ADTRAN 3060 Network Card User Manual
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1. LTU Network Side Loopback AIS LOCAL G 703 LOOP s G 703 LTU NTU NTU Network Side Loopback y AIS LOCAL G 703 LOOP D y G 703 LTU NTU NTU Customer Side Loopback X LOCAL AIS LOOP C G 703 LTU NTU LTU Customer Side Loopback a LOCAL AIS C LOOP G 703 LTU NTU LTU and NTU Bilateral Loopback LOCAL G 703 LOOP C G 703 LTU NTU REG Network Side Loopback AIS G 703 G 703 lt _ e LTU REG NTU Dual REG Network Side Loopback x AIS G 703 D e a LTU REG REG NTU G 703 X Signal Inactive Figure 4 HDSL Loopbacks REG Loopback The REG HDSL transceivers are looped back toward the LTU This loopback enables a complete checkout of the LTU data path the HDSL link between the LTU and the REG and the REG data path The REG loopback is activated via the V 24 craft interface Front Panel Display Message Condition LLOS LTU El Loss of Sync NLOS NTU El Loss of Sync LERR LTU El error NERR NTU El error LBPV LTU El Bipolar violation BPV NBPV LTU El Bipolar violation BPV LOS1 No synchronization of LTU and NTU on loop 1 LOS2 No synchronization of LTU and NTU on loop 2 HER1 HDSL loop error HER2 HDSL loop2 error 1 XX Loop 1 in Sync 2 XX Loop 2 in Sync XX is the Signal Quality Level of the loop and ranges from 0 20 where 0 is an indicator of poor signal quality and 20 represents good signal quality Display Off Mode The display enters Display Off Mode fro
2. lt r _ 1 1 G 703 j vy M i MON TX U at AA 1 i f Li i T L 1 G703 gt i R 1 i i Figure 3 LTU Span Powering Diagram NTU Local Loopback The NTU HDSL transceivers are looped back at a point immediately before the HDSL termination This loopback enables a complete checkout of the NTU data path The NTU Local Loopback is activated via the V 24 craft interface NTU Remote Loopback The NTU HDSL transceivers are looped back at a point immediately before the G 703 termination This loopback enables a complete checkout of the NTU data path the HDSL link and the LTU data path The NTU Remote Loopback is activated via the V 24 craft interface LTU Local Loopback The LTU HDSL transceivers are looped back at a point immediately before the HDSL termination This loopback enables a complete checkout of the LTU data path The LTU Local Loopback is activated via the V 24 craft interface LTU Remote Loopback The LTU HDSL transceivers are looped back at a point immediately before the G 703 termination This loopback enables a complete checkout of the NTU data path the HDSL link and the LTU data path The LTU Remote Loopback is activated via the V 24 craft interface 4 Section 61182007L1 5 Issue 1 61182007L1 5A
3. Alarms Circuit ID Total Access System MAJOR MINOR Figure 15 and Figure 16 depict the HDSL Alarms and Test Screens Current alarm conditions are displayed on the Alarms Screen while a self test or loopbacks may be initiated or terminated using the Test Screen 04 07 01 09 16 Alarms NO ALARM CONDITIONS lt gt IREG 21 NTU lt gt lt lt gt 2 System Help Screen Figure 15 Alarms Screen 12 Section 61182007L1 5 Issue 1 61182007L1 5A At each 15 minute interval the performance Type the corresponding number to view the information is transferred to the 15 minute Performance History data for customer or network performance data register accessed from the loops Performance History screen At each 24 hour interval the performance data is transferred into the 24 hour performance data register also accessed using the Performance History screen The Performance History screen is shown in Figure 17 From the Status Screen type 1 to reset the current performance registers to zero on the Status and Performance History Screens Shelf 1 Slot 5 Total Access System 04 07 01 09 16 Unacknowledged Alarms MAJOR MINOR Circuit ID Test Selftest Loopback Network at Loopback Customer at Loopback Network at Loopback Customer at Loopback Network at Loopback Network at Inactive Inactive Inactive Inactive Inactive Inactiv
4. MAJOR alarm Setting a threshold to 900 will disable it 6 HDSL DEPLOYMENT GUIDELINES The ADTRAN HDSL system is designed to provide E1 services over loops designed to comply with ETSI guidelines Deployment guidelines are given below 1 All loops are non loaded only 2 For loops with 0 4 mm cable the maximum loop length including bridged tap lengths is 2 7 km 3 For loops with 0 5 mm cable the maximum loop length including bridged tap lengths is 4 7 km 4 Any single bridged tap is limited to 500 m 5 Maximum number of bridged taps is 2 Shelf 1 Slot 5 Unacknowledged Alarms Circuit ID Alarm Options ES Alarm Level SES Alarm Level ES Alarm Threshold SES Alarm Threshold Total Access System MAJOR MINOR 7 MAINTENANCE The ADTRAN Total Access LTU requires no routine maintenance In case of equipment malfunction use the faceplate Bantam jack connectors to help locate the source of the problem ADTRAN does not recommend that repairs be performed in the field Repair services may be obtained by returning the defective unit to the ADTRAN Customer Service RMA Department 04 07 01 09 22 Current Settings Major Major 000 000 Selection System Help Screen Figure 21 Alarm Options Screen 61182007L1 5A Section 61182007L1 5 Issue 1 8 PRODUCT SPECIFICATIONS Product specifications are detailed in Table 4 Table 5 Total Access 3000 LTU Specifications Loop Interface Modulation T
5. Main Forced to AUX Locked to Main The following messages are displayed according to the current status of the protection system e NORMAL OPERATION Unit is in AUTO mode with data passing over the MAIN circuit e SWITCHED TO AUX Data has been switched to the AUX circuit because of an auto switch or the protection mode has been set to MANUAL AUX e LOCKED OUT The system has violated the lock in option settings and has locked data to the AUX circuit for the user defined lock in hours e FORCED TO MAIN The MAIN unit s button has been pressed once and is forced online An additional press of the MAIN unit s button will revert to software control e FORCED TO AUX the AUX unit s button has been pressed once and is forced online An additional press of the AUX unit s button will revert to software control e LOCKED TO MAIN The protection mode is set to MANUAL MAIN which doesn t auto switch to the AUX circuit but relies on manual intervention to switch the data to the AUX circuit however alarm indications will be updated A detailed description of the Protection Configuration parameter settings is included in Table 3 Shelf 1 Slot 5 Unacknowledged Alarms Circuit ID Total Access System MAJOR MINOR The Protection Configuration Screen Auxiliary also displays a history of switching occurrences The following conditions are shown with a history count of occurrences e Switchovers Number of times
6. U mode signals to be delivered to the customer 2 4 Enable protection switching a Access the MAIN Menu of the LTU in the 4 1 Install the NTU into the Dual Slot odd numbered MAIN slot b Select Option 7 Protection Configuration c Select Option 1 Protection Mode d To enable protection switching select Option 1 ENABLE Remote Housing Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damage to electronic components Place modules in antistatic packing material when transporting or storing When working on modules always place them on an NOTE approved antistatic mat that is electrically Unless the AUX circuit is in the OOS U mode grounded the operator will not be able to change the e Set Options 2 and 3 BER Threshold and BER Interval see Table 3 in the Installation and Maintenance practice for definitions f Back out of the menu for the MAIN slot and access the LTU in the even numbered AUX slot g Select Option 7 Protection Configuration h Option 1 Protection Mode will have been set to AUTO If you desire to provision a different H LSS mode select Option 1 and choose between Auto Manual AUX Manual Main and Auto Hold i Set Options 2 7 as desired on the AUX unit Protection mode of the MAIN LTU 4 1 1 Connect the individual 4 wire HDSL circuits to the HDSL terminal block inside the Dual slot rem
7. from the circuit converts both the MAIN and AUX circuits into independent standalone HDSL local loops B 4 Section 61182007L1 5 Issue 1 61182007L1 5A NOTE Ensure that data has been removed from the AUX circuit before proceeding with the next step Disabling protection switching before removing data from the AUX loop will cause a loss of signal condition on that loop Under normal circumstances the data on the H LSS circuit will be running on the MAIN HDSL circuit and this precaution is unnecessary 7 0 1 Disabling protection switching a Access the AUX LTU and select Option 2 Provisioning from the HDSL Main Menu b From the Provisioning Menu choose the Service State option c Select Option 3 Out Of Service Unassigned d Escape out of the AUX LTU menus and proceed to the MAIN LTU Menu e From the Main Menu select Option 7 Protection Configuration f From the Protection Configuration menu select Option 1 Protection Mode g Choose Option 2 Disable NOTE There is no provisioning required at the NTUs to remove protection switching capability Upon completion of the above procedure the MAIN circuit is an independent non protected HDSL circuit The AUX circuit is also now independent with protection switching disabled and currently OOS U 7 0 2 Adjust wiring at Dual remote housing Once protection switching has been disabled in the LTUs the housing is internally wired to provide an
8. powering voltages from the 48 Vdc office supply The Total Access 3010 LTU can span power REGs and NTUs as listed above When used with REGs and NTUs the LTU can span power one REG and an NTU at less than 120 Vdc Span powering voltages meet all requirements of IEC 950 REVISION HISTORY This is the first issue of this practice Future changes to this document will be summarized in this paragraph 2 INSTALLATION CAUTION SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY HANDLING PRECAUTIONS REQUIRED After unpacking the unit inspect it for damage If damage is discovered file a claim with the carrier then contact ADTRAN See Warranty and Customer Service The Total Access 3010 LTU occupies one line card slot in a Total Access 3010 shelf Power and alarm signals are provided to the card through the backplane of the shelf E1 and HDSL loop signals are connected to the mass termination shelf connectors corresponding to the slot the unit occupies See Figure 2 for LTU edge connector wiring P2 Row A P2 Row B P2 Row C 110 Be Chassis ground pao 48 Volt DC A 2 O 48 Volt return 2 Chassis ground 2 O 48 Volt DC A Bin 4D 410 4 HDSL Loop 1 Ring facility 5 O 50O 5 O HDSL Loop 1 Tip facility 6 O 6 O HDSL Loop 2 Ring facility 6 O HDSL Loop 2 Tip facility 7O 70O 70 8 O 8 O 8 O 9 O 90 90 10 O 10 O Fuse alarm 10 O 1 O 10 1 O 12 O 12 O 12 O 13 O 13 O 13 O 14 O 1
9. single multiplexer disregard all references to the Offline MUX 2 1 3 Ensure that Linked Provisioning is Enabled on MUX A and install the second MUX in Slot B of the Total Access 3010 using Steps 2 1 1 and 2 1 2 above for the B slot MUX This will allow MUX B to be configured as MUX A when MUX B is installed Linked Provisioning is factory defaulted to Enable however Linked Provisioning does not affect Service States The factory default Service State for MUX B is Out of Service Unassigned Both muxes are now to be configured identically and in the OOS M service state At this point faceplate LED indicators for MUX A Online and MUX B Offline will be as in Table B 1 61182007L1 5A Section 61182007L1 5 Issue 1 B 1 Table B 1 Faceplate LED Indicators ONLINE POWER Yellow STATUS Green TEST Off LOCKOUT Off ONLINE Green OFFLINE POWER Yellow STATUS Green TEST Off LOCKOUT Off ONLINE Off NOTE Only one DS3 MUX is required for any data circuit to be operational Two modules are used for electronics redundancy of the DS3 circuit 2 2 Provision the DS3 MUX NOTE There are no settings on the SCU that will affect APS operation of either the DS3 MUX units or the LTU line cards 2 2 1 2 2 2 2 2 3 Logon to Total Access system If you are building a new DS3 circuit provision the DS3 MUX modules according to circuit parameters If the HDSL H LSS cir
10. the minimum time that data will remain on the AUX circuit This option is only valid when in Auto or Auto Hold Protection Modes BER Threshold 1E 4 1E 5 1E 6 1E 7 Allows the user to set the Bit Error Rate that will cause switchover from the Main to AUX circuit when exceeded BER Threshold can also be set from the Main card s protection configuration and should coincide with the settings used on the AUX card BER Interval 5 10 15 minutes Defines the interval over which errors will accumulate for comparison with the BER Threshold setting BER Interval can also be set from the Main card s protection configuration and should coincide with the settings used on the AUX card Lock in Hours 0 99 Defines duration of locking to the AUX circuit upon reaching the Switch to AUX Limit Switch to AUX Limit 1 9 Defines the number of times switch can occur from Main to AUX over the defined Locking Check Interval before the system is locked to the AUX circuit for the defined Locking Hours Lock in Check Interval 1 99 Defines the interval over which the Switch to AUX Limit is compared before locking in the data to the AUX circuit for the Locking Hours duration 61182007L1 5A Section 61182007L1 5 Issue 1 15 System Current Status are also displayed beneath the Current Settings summary The Current System Status message displays the current operational state Normal Switched to AUX Locked Out Forced to
11. 10 LTUs e Two protection switching capable NTUs These NTUs are the following 1246035L1 T200 mechanics e One dual slot remote housing ADTRAN P N 1245034L2 1 INSTALL THE LTUs INTO TOTAL ACCESS 3010 Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damage to electronic components Place modules in antistatic packing material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded 1 1 Gently but firmly push the LTU into the appropriate odd numbered slot which will be the MAIN HDSL circuit Compatible slots can be any slot pair that starts with an odd number MAIN and includes the adjacent to the right even numbered slot AUX Compatible slot pairs are further designated by the bracket notation around the slot pairs on the silk screen just below the physical slots on the front of the Total Access 3010 Simultaneous thumb pressure at the top above the PWR LED and bottom below the ACT LED of the unit will ensure a good seat of the LTU pins into the backplane connector Repeat this step for the AUX LTU to be installed in the adjacent even to the right slot 1 2 Push the ejector tab up and closed against the LTU faceplate 2 PROVISION THE LTU If Module Auto Provisioning is enabled on the SCU and if the new cards are of the same type as the former
12. 4 O 14 O 15 O 15 O 15 O 16 O 16 O 16 O 17 O 17 O 17 O 18 O 18 O 18 O 19 O 19 O 19 O 20 O 20 20 O 21 O 21 O 21 O 22 O 22 O 22 O 23 O 23 23 O 24 O 24 24 O 25 O 25 O Receive G 703 Ring backup connection 25 O Receive G 703 Tip backup connection 26 O 26 O Transmit G 703 Ring backup connection 26 O Transmit G 703 Tip backup connection 27 O 27 O 27 O 28 O 28 O 28 O 29 O 29 O Receive G 703 Ring normal connection 29 O Receive G 703 Tip normal connection 30 O 30 O Transmit G 703 Ring normal connection 30 O Transmit G 703 Tip normal connection 31 O 31 O 31 O 48 Volt DC B 32 O 32 O 48 Volt return 32 O 48 Volt DC B Figure 2 LTU Edge Connector Wiring Section 61182007L1 5 Issue 1 61182007L1 5A 3 OPERATION Powering Options The unit features automatic sensing based on the current load detected on the HDSL circuit Span powering at less than 120 Vdc allows for span powering of circuits without REGs or with one REG LTU Alarm Outputs Pin B10 of the LTU edge connector interface provides a fuse alarm signal that connects 48 Vdc to this pin in the presence of a blown fuse This indicates the card has malfunctioned and should be replaced Front Panel Operation Using the Total Access 3010 SCU P N 1181017L1 The front panel interface consists of a 4 character alphanumeric LED display and a 3 position switch that controls the display The switch positions are Center OFF Up MODE Down SELECT The switch is s
13. 9 displays the current settings for Protection Mode Minimum Hold in Time BER Threshold BER Interval Lock in Hours Switch to Aux Limit and Lock in Check Interval A History count for Switchovers Reversions Failures and Lockouts is provided while the Lock in Options and 04 07 01 09 19 Total Access System Unacknowledged Alarms MAJOR MINOR Circuit ID Protection Configuration Disabled 1E 4 15 Protection Mode BER Threshold BER Interval MinCs Selection 2 System Help Screen Figure 18 Protection Configuration Screen Main Shelf 1 Slot 6 Unacknowledged Alarms Circuit ID Total Access System 04 07 01 09 20 MAJOR MINOR Protection Configuration Protection Mode Minimum Hold in Time BER Threshold BER Interval Lock in Time Switch to Aux Limit Lock in Check Interval Current System Status L Prot Disabled Switchovers Failures Manual Disable Q1 minutes 1E 4 15 12 03 20 minutes hours 1 9 minutes History QQ Reversions 00 Lockouts 00 00 Current Lock in Option Setting Lock in for 12 hours if 03 switchovers occur in 20 minutes Selection System Help Screen Figure 19 Protection Configuration Screen Auxiliary 14 Section 61182007L1 5 Issue 1 61182007L1 5A Table 4 Protection Configuration Option Settings Protection Options Settings Description Protection Mode Auto System automatically switches from Main
14. ADRAN Section 61182007L1 5A Issue 1 June 2001 Total Access 3010 LTU High bit rate Digital Subscriber Line Transceiver Unit for the Central Office Installation and Maintenance CONTENTS Ti GENERA oaea aere E EEr Aa AES 1 2 INSTALLATION Be OPERATION musiet aE AE E a R 4 HDSL SYSTEM TESTING ciicsncccccecssssetecsosssrsincsessvsveconsncsness 4 5 SCU CONTROL PORT OPERATION HDSL 3 6 HDSL DEPLOYMENT GUIDELINES ee 7 8 9 A MAINTENANCE deroer iuie odprte oei anerer T dt i PRODUCT SPECIFICATIONS ssesissisisisesssassss WARRANTY AND CUSTOMER SERVICE ppendix A HDSL H LSS Circuit Configuration and Turnup for G 703 Fed Systems 0 ee eeeesesereeeeeees A 1 Appendix B HDSL H LSS Circuit Configuration and Turnup for DS3 Fed Systems sneinen aa B 1 FIGURES Figure 1 ADTRAN Total Access 3010 LTU wee 1 Figure 2 LTU Edge Connector Wiring sesscisiisisaisenssinsss 2 Figure 3 LTU Span Powering Diagram s essssssrsessseossersseesresse 4 Figure 4 HDSL Loopbacks seiersen inii 5 Figure 5 RS 232 DB 9 Pin Assignments cece eeeeeeeeeee 3 Figure 6 Logon Screen Figure 7 Total Access SCreen siccisisevseccsesscsusecevsctessteasooocstereeess 7 Figure 8 Access Module Menus Screen eeeeeeeseseeseeees 8 Figure 9 HDSL Main Menu Screen Figure 10 Configuration Screen Figure 11 Provisioning Screen Figure 12 Network Source Screen Figure 13 Status Screen Figu
15. AL SLOT STANDALONE HOUSING See the associated Installation and Maintenance practice P N 61245034L2 5 for mounting and wiring instructions 5 INSTALL THE NTU The NTU terminates local loop HDSL signals originating from the Central Office CO unit and transforms the HDSL signal into traditional E1 signals to be delivered to the customer 5 1 Install the NTU into the Dual Slot Remote Housing Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damage to electronic components Place modules in antistatic packing material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded 5 1 1 Connect the individual 4 wire HDSL circuits to the HDSL terminal block inside the Dual slot remote housing The 4 wire MAIN circuit will connect to the Loop 1 and Loop 2 terminals labeled MAIN and the 4 wire AUX circuit will connect to the Loop 1 and Loop 2 terminals labeled AUX 5 1 2 Gently but firmly push the NTU into the lower dual slot remote housing slot Repeat this step for the second NTU in the upper slot 5 1 3 The LTUs will transfer provisioning data to the NTUs upon power up Some provisioning of the NTU however may be necessary due to hardware DIP switches and jumpers See the Installation and Maintenance practice for the specific NTU utilized by your com
16. E1 signal to both the MAIN EI and AUXILIARY TEST E1 RJ 48 jacks Connect the customer s equipment to the AUX RJ 48 jack or the AUX E1 terminal strip in the housing to complete a second independent HDSL circuit NOTE G 703 DS3 multiplexer channel mapping to the even numbered formerly AUX slot in the Total Access 3010 chassis will not automatically be restored Assignment of an embedded G 703 in the DS3 data stream to the even slot will have to be made prior to using the slot as a DS3 fed HDSL circuit 61182007L1 5A Section 61182007L1 5 Issue 1 B 5 B 6 Section 61182007L1 5 Issue 1 61182007L1 5A
17. arginal signal quality on Loop 2 lt 2 dB margin above 10 7 BER Green Good signal quality on Loop 2 gt 2 dB margin above 10 7 BER Flashing An error detected on either end of Loop 2 will cause this LED to blink briefly ALM Off No alarm conditions detected Red Alarm condition detected either locally LTU or locally and remotely LTU and NTU ACT Green Normal operation Yellow Manual operation 61182007L1 5A Section 61182007L1 5 Issue 1 Status Mode After selecting the LTU from the SCU the display enters Status mode It alternately displays loop margin for each HDSL loop any active alarm condition and general status conditions The HDSL loop margin is displayed for each loop that is active with the messages 1 xx and 2 xx where xx is the HDSL loop margin for that loop The loop margin is held on the display for 2 seconds The loop margin will not be displayed if that loop is in start up or LOS condition E1 Core Frame Mapping The function of El core frame mapping is to assign 2048 kbps framed E1 data to a 2304 kbps core frame filled with 2048 kbps data This converts a 32 byte El frame into a 36 byte core frame a ratio of 1 1 125 The extra four bytes are filled with TSO TS16 or AIS data Once the 36 byte core frame data block reaches the HDSL loops the data is split between the two HDSL loop pairs 4 HDSL SYSTEM TESTING The ADTRAN HDSL system provides extensive ability to monitor the status an
18. arm generating functions of the equipment to the network 5 1 From the Total Access 3010 LTU Provisioning Screen for both the MAIN and AUX LTUs select the Service State option and place both LTUs In Service NOTE Placing the LTUs Jn Service will change the PWR LED from slow flashing green to steady green 6 DISABLING PROTECTION SWITCHING Disabling the protection switching mode from the circuit converts both the MAIN and AUX circuits into independent standalone HDSL circuits CAUTION Ensure that data has been removed from the AUX circuit before proceeding with the next step Disabling PROTECTION SWITCHING before removing data from the AUX Loop will cause a loss of signal condition on that loop Under normal circumstances the data on the HLSS circuit will be running on the MAIN HDSL circuit and this precaution is unnecessary 6 1 Disabling Protection Switching a Access the AUX LTU and select Option 2 Provisioning from the HDSL Main Menu b From the Provisioning menu choose the Service State option Select Option 3 Out Of Service Unassigned d Escape out of the AUX LTU menus and proceed to the MAIN LTU menu e From the Main Menu select Option 7 Protection Configuration f From the Protection Configuration menu select Option 1 Protection Mode g Choose Option 2 Disable O NOTE There is no provisioning required at the NTUs to remove protection switching capability Upon completion of the above proce
19. cuit is to be turned up in an existing Total Access 3010 with DS3 feed assume that the parameters have already been set for the DS3 circuit Disregard this step and continue When channel mapping the DS3 MUX to individual slots configured for protection switching it is necessary to map a channel only to the MAIN odd numbered slot If a fault condition occurs and a protection switch is made from the MAIN circuit to the AUX circuit the channel is temporarily mapped by the DS3 MUX into the AUX even numbered slot and a Failure notice attached to the MAIN odd slot Follow the steps below for mapping a channel to the MAIN slot For this procedure the technician needs to know which embedded G 703 in the incoming DS3 data stream to map to the appropriate APS slot in the Total Access 3010 Do not continue without this information In a newly installed DS3 MUX thathas not been changed from factory defaults the embedded G 703s in the DS3 will be mapped to the like numbered slot i e G 703 1 to Slot 1 G 703 2 to Slot 2 up to G 703 28 to Slot 28 a Access the Main Menu of the DS3 MUX module and select Option 8 Channel Mapping b At the bottom of the screen where you see Selection or Enter Mapping E1 Slot enter the number of the embedded G 703 followed by and the appropriate slot number then lt Enter gt This action will assign the desired G 703 to the slot in the Total Access 3010 WARNING A
20. d performance of the G 703 signals and HDSL loop signals Detailed performance monitoring is provided by the V 24 Control Port on the ADTRAN System Controller Unit SCU These features are valuable in troubleshooting and isolating any system level problems that may occur at installation or during operation of the HDSL system LTU G 703 Bantam Jack The LTU provides two dual Bantam jacks on the front panel These jacks provide a metallic splitting and test access of the G 703 interface for connecting test equipment to transmit and receive signals with the LTU See Figure 3 HDSL Loopbacks The E1 LTU offers five diagnostic loopbacks for use in verifying proper data path operation These loopbacks are activated via the V 24 craft interface These loopbacks disrupt normal data transmission Make sure that you receive prior authorization to place an HDSL circuit out of service prior to activating any loopback These loopbacks remain active until cleared or by expiration of the loopback timeout period See Figure 4 pia ia a eis Citi ti Seer iinet a a bie Sat tie Se ae tinea aie 1 i i i i G 703 lt i R1 i i i i i 1 G 703 YE 4 f MON LTU RX UW Aon i l I 1 i lt i i l 1 Li 1 1 HDSL a ik J E m I tr RX LOOP 1 1 1 i DATA LOOP DC pump POWER SOURCE i n Jaka Wos TX LOOP 2 i LOOP 2 i Li I 1 i n Li
21. data has been switched from the Main to the Auxiliary circuit Switchovers will only occur in the Auto and Auto Hold protection modes e Reversions Number of times data has been switched from the Auxiliary back to the Main circuit Reversions will only occur in the Auto protection mode e Failures Number of times the APS system has attempted to switch data from either the Main to Auxiliary circuit or from the Auxiliary to Main circuit A failure would typically occur as a result of an HTU R in the circuit that was not compatible for APS service Only the 1245026LX HTU R s should be used when deployed in APS circuits Failures can occur in any protection mode e Lockouts Number of times a lockout has occurred due to the number of APS switches exceeding the Switch to AUX Limit over the preset Lock in Check Interval Lockouts can only occur in Auto or Auto Hold protection modes Figure 20 illustrates the Set Circuit ID Screen The Circuit ID can be defined using up to 25 characters and will be displayed on each of the Total Access HDSL Screens 04 07 01 09 21 Set Circuit ID Enter ID 2 System Help Screen Figure 20 Set Circuit ID Screen 16 Section 61182007L1 5 Issue 1 61182007L1 5A Figure 21 illustrates the Alarm Options Screen This option allows the user to first set a 15 minute threshold for both ES and SES alarms and subsequently to categorize the crossing of those thresholds as a MINOR or
22. dged Alarms MAJOR MINOR Circuit ID Loop 1 lt Network gt Loop 2 Loop 1 lt Customer gt Loop 2 00 dB 00 dB lt Loss gt 00 dB 00 dB Yes Yes lt Sync gt Yes Yes 000 090000 000 090000 lt ES 15M 24H gt 0900 00000 0900 00000 000 090000 0900 00000 lt SES 15M 24H gt 0900 00000 0900 00000 0900 00000 0900 00000 lt UAS 15M 24H gt 0900 00000 0900 00000 Loopback Inactive Sealing Current Present Loopback Inactive X X X X X X X X xX xX a IPI oaa UPL a X x X X ILTU REG1I REG2 x x X X N C X X X X X X X X N C X X X X ate l X x X X LP2 LP2 X X X X X X 1 Zero Registers Selection 3 REG1 Status 2 LTU NTU Status System Help Screen 4 REG2 Status OePeNWAUOAONGLWL OPNWAUOAONGOLW Figure 14 REG 1 Status Screen 61182007L1 5A Section 61182007L1 5 Issue 1 11 Predicting performance based upon signal quality varies with each loop Generally a noise margin of 0 or higher will support a bit error rate BER of better than 10 7 The following guidelines correspond to the operation of the LTU faceplate LEDs labeled LP1 and LP2 See Table 3 Table 3 LP1 and LP2 Guidellines Margin Color Quality Margin lt 0 Red Poor Loop Quality 0 lt Margin lt 2 Yellow Marginal Loop Quality Margin gt 2 Green Good Loop Quality Shelf 1 Slot 5 Unacknowledged
23. dure the MAIN circuit is an independent non protected HDSL circuit The AUX circuitis also now independent with protection switching disabled and currently OOS U 6 2 Adjust Wiring at Dual Remote Housing Once protection switching has been disabled in the LTUs the housing is internally wired to provide a G 703 signal to both the MAIN G 703 and AUXILIARY TEST G 703 RJ 48 jacks Connect the customer s equipment to the AUX RJ 48 jack or the AUX G 703 terminal strip in the housing to complete a second independent HDSL circuit 61182007L1 5A Section 61182007L1 5 Issue 1 A 3 A 4 Section 61182007L1 5 Issue 1 61182007L1 5A Appendix B HDSL H LSS Circuit Configuration and Turnup for DS3 Fed Systems 1 UNPACK AND INSPECT THE THE TOTAL ACCESS DS3 MUX MODULES Each DS3 MUX Module is shipped in its own cardboard shipping carton Open the carton carefully and avoid puncturing the carton with sharp objects After removing the unit from the carton unwrap the antistatic bubble wrap and pull the unit from the protective plastic bag After unpacking the unit inspect it for damage If damage is discovered file a claim with the carrier then contact ADTRAN See Warranty and Customer Service 2 INSTALL THE DS3 MUX MODULES 2 1 Install the DS3 MUX Module into Total Access 3010 Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damag
24. e Selection 2 System Help Screen Figure 16 Test Screen Shelf 1 Slot 5 Total Access System 04 07 01 09 17 Unacknowledged Alarms MAJOR MINOR Circuit ID LTU G 703 Performance Data Minute History Current Error Regs ES SES UAS BPV Menu ES SES UAS BPV 15 000 000 000 000 LTU G 703 15 Min 000 000 000 000 ot LTU Loop 1 24 Hr 00000 00000 00000 00000 LTU Loop 2 Sae enha aea NTU G 703 Se oe ee NTU Loop 1 24 Hour History NTU Loop 2 SES E e wae REG1 NET Lp1 EOE REG1 NET Lp2 Se oe toe REG1 CST Lp1 Se eee eke REG1 CST Lp2 E soe REG2 NET Lp1 eee see REG2 NET Lp2 Se soe tons REG2 CST Lp1 eee REG2 CST Lp2 Soe foe oe Page back Selection Page 1 Page forward 2 System Help Screen recent data WOON DUBWNE Figure 17 Performance History Screen 61182007L1 5A Section 61182007L1 5 Issue 1 13 The Protection Configuration Screen Main illustrated in Figure 18 displays the current settings for Protection Mode BER Threshold and BER Interval The BER Threshold allows the user to select a bit error rate that when exceeded will cause a switchover to an auxiliary circuit The BER Interval defines the interval over which errors will be accumulated for comparison with the BER Threshold Shelf 1 Slot 5 The option settings for BER Threshold and BER Interval are detailed in Table 4 The Protection Configuration Screen Auxiliary illustrated in Figure 1
25. e to electronic components Place modules in antistatic packing material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded The procedure below assumes that the DS3 MUX is being newly installed into the Total Access 3010 If the MUX is already up and running begin with Step 2 1 2 2 1 1 Gently but firmly push the DS3 MUX into the second slot slot A at the left end of the shelf Simultaneous thumb pressure at the top above the POWER LED and bottom below the Test Enable button of the unit will ensure a good seat of the DS3 pins into the backplane connector Push the ejector tab up and closed against the DS3 faceplate 2 1 2 Ensure that MUX A is in the Out of Service Maintenance OOS M mode Placing the MUX in OOS M will prevent the MUX from generating alarms back to the network and will allow loopbacks to be initiated and taken down Data traffic on other embedded G 703 circuits will not be disturbed Note that while the DS3 MUX is in the OOS M mode no alarms will be passed to the network including those of circuits that may already be in service on the MUX After the APS circuit is turned up be sure to reset the MUX to the In Service IS mode as indicated in Step 6 0 1 to regain alarm notification NOTE Ifa single multiplexer module is used skip Step 2 1 3 Forredundant MUX applications continue with 2 1 3 below When using a
26. en timeouts These symptoms are not disruptive to the operation of the circuit and are avoidable if the The screens illustrated in Figure 6 through Figure 18 are for an HDSL circuit deployed with ADTRAN s Low Voltage HDSL technology The circuit includes an LTU NTU and two REG This scenario was chosen for inclusiveness of functionality However other configurations are possible such as one REGs and the display will vary slightly from those shown in this section power saving options are disabled or removed Menus For abbreviations used in the screen diagrams see Table 2 Table 2 Screen Abbreviations Abbreviation Definition ES Errored Seconds SES Severely Errored Seconds UAS Unavailable Seconds FRAMING CCS Common Channel Signaling CAS Channel Associated Signaling Unframed Unframed E1 Operation CODE HDB3 High Density Bipolar Order 3 AMI Alternate Mark Inversion CRC4 Cyclic Redundancy Check 4 error detection CFM Core Frame Mapping Method 0 Method 1 BPV Bipolar Violation S N Serial Number 15M Fifteen Minute period 24H Twenty four Hour period Alarms Lists current alarm condition status 0 Poor signal quality Noise margin is 0 dB 3 10 7 BER 1 8 Margin measurement above 10 7 BER in dB 9 Excellent signal quality Margin is 9 dB above 107 BER Section 61182007L1 5 Issue 1 61182007L1 5A Accessing the HDSL circuit information via the Total After successful logo
27. eseeeteeseeees 120 Vdc internally generated current limited at 60 mA CE compliant Clock Clock SoOurees is siisihscaechiideenessteessscs Internal E1 Derived Internal Clock Accuracy ns 25 ppm Stratum 4 Tests Diagnosi OSes Self Test Local Loopback LTU Remote Loopback NTU Physical Diesing re 6 in 152 4 mm high x 5 8 in 15 9 mm wide x 10 in 254 mm deep Weight ic cdssssciscestediverntiaccnavncns Less than 1 Ib Environment Temperatures icncaieiawachiaiaas Operating Standard 40 C to 70 C Storage 40 C to 85 C Safety esios arrai oni E ER In conformance with EN41003 and EN60950 IEC 950 Overvoltage Protection In conformance with CCITT K 20 EMG feistevtevastestezlitseriddedendinasiectinas In conformance with EN55022 and EN50082 Part Number Total Access LTU eeina 1182007L1 18 Section 61182007L1 5 Issue 1 61182007L1 5A 9 WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five 5 years from the date of shipment if it does not meet its published specifications or fails while in service See ADTRAN International Equipment Warranty document 60000003 3 Contact Customer And Product Services CAPS prior to returning equipment to ADTRAN For service CAPS requests or further information contact one of the following numbers ADTRAN Inc Attention International Department 901 Explorer Boulevard Huntsville Alabama 35806 USA www adtran com As
28. g 3 Status 4 Alarms Shelf 1 Slot 5 Unacknowledged Alarms Circuit ID 5 Test 6 Performance Monitoring 7 Protection Configuration 8 Circuit ID 9 Alarm Options Total Access System MAJOR MINOR HDSL Line Termination Unit Provisioning Status Alarms Test Circuit ID T 2 3 4 Di 6 7 8 9 Selection Configuration Alarm Options Performance Monitoring Protection Configuration System Help Screen Figure 9 HDSL Main Menu Screen Shelf 1 Slot 5 Unacknowledged Alarms Circuit ID MAJOR MINOR Total Access System Configuration Unit Name LTU Part Number 1182007L1 Serial Number HW098765432109 Product Revision HW Software Revision A Manufacture Date 01 95 Unit Name REG1 Serial Number 0100748669 Product Revision Q1 Manufacture Date 10 00 Unit Name Serial Number Product Revision Manufacture Date Unit Name Serial Number Product Revision Manufacture Date System Help Screen Figure 10 Configuration Screen The Configuration Screen illustrated in Figure 10 provides serial numbers and the manufacturing date for each component in the HDSL circuit 04 07 01 09 05 04 07 01 09 30 NTU 0100001481 Q1 10 00 REG2 0100477236 Q1 10 00 61182007L1 5A Section 61182007L1 5 Issue 1 The Provisioning Screen as illustrated in Figure 11 The Network Source Screen illustrated in Figure 12 displays current provisioning settin
29. gs and allows for allows the user to provision the unit to receive its changing the system configuration Provisioning network signal from either MUX or a G 703 source changes are only allowed at the CO end of the circuit The unit retains the last provisioning changes to determine its operating mode Shelf 1 Slot 5 Total Access System 04 07 01 09 06 Unacknowledged Alarms MAJOR MINOR Circuit ID Provisioning Framing CAS CRC4 Enabled Coding HDB3 G 7 3 Clock Internal Loopback Timeout None Service State In Service Network Source G 703 G 703 External Alarms Disabled Core Frame Mapping Method 1 WOONDUBWNE Selection 2 System Help Screen Figure 11 Provisioning Screen Shelf 1 Slot 5 Total Access System 04 07 01 09 27 Unacknowledged Alarms MAJOR MINOR Circuit ID Network Source 1 G 703 2 MUX A 3 MUX B Selection 2 System Help Screen Figure 12 Network Source Screen 10 Section 61182007L1 5 Issue 1 61182007L1 5A The Status Screen illustrated in Figure 13 provides the information provided is found in the center of the quick access to status information for both the LTU screen Arrows indicate the key statistics which and NTU in addition to any regenerators apply to both the remote and customer site Type 3 to view the status screen for REG 1 as components illustrated in Figure 14 If the circuit involves a PON second REG press 4 from the REG 1 Status Ind
30. ia Pacific Hong Kong 852 2824 8283 voice 852 2824 8928 fax sales asia adtran com Canada Ontario 1 416 290 0585 voice 1 416 296 1259 fax sales ontario adtran com Canada Quebec 1 877 923 8726 toll free 1 514 940 2888 voice 1514 940 2890 fax sales quebec adtran com Canada Other Provinces 1 877 923 8726 toll free sales canada adtran com Europe Zurich Switzerland 41 1 880 27 77 voice 41 18802778 fax sales europe adtran com Latin America 1 954 746 5355 voice 1 954 746 7540 fax sales latin adtran com Mexico Caribbean 1 954 577 0357 voice 1 954 577 0358 fax sales mexico adtran com U S Headquarters 1 256 963 2500 voice 1 256 963 6300 fax 1 256 963 8200 fax back international adtran com 61182007L1 5A Section 61182007L1 5 Issue 1 20 Section 61182007L1 5 Issue 1 61182007L1 5A Appendix A HDSL H LSS Circuit Configuration and Turnup for G 703 Fed Systems Introduction This section provides step by step instructions for the configuration and turnup of an HDSL Loop Support System H LSS circuit on an HDSL loop fed from the network via individual G 703 Configuration procedures include installing appropriate line and remote cards configuring the Total Access LTU cards for protection switching operation and enabling the protection switching feature Protection pairs on the Total Access 3010 system are adjacent odd even slots indicated on the Total Access 3010 front shelf screen
31. ications of Loopback and Sealing Current if Screen to view the REG 2 Status Screen present are given at the bottom of the first key column Status and configuration information for the Figure 13 and Figure 14 consolidate current LTU and NTU El signals are located in the center of information for the HDSL and E1 interfaces A key to the Status Screen near the bottom Shelf 1 Slot 5 Total Access System 04 07 01 09 15 Unacknowledged Alarms MAJOR MINOR Circuit ID LTU LTU NTU Status NTU Loop 1 lt Network gt Loop 2 Loop 1 lt Customer gt Loop 2 01 dB 01 dB lt Loss gt 01 dB 01 dB Yes Yes lt Sync gt Yes Yes 0900 00000 0900 00000 lt ES 15M 24H gt 0090 00000 0090 00000 0900 00000 0900 00000 lt SES 15M 24H gt 0090 00000 0090 00000 0900 00000 0900 00000 lt UAS 15M 24H gt 0090 00000 0090 00000 Loopbacks Inactive Sealing Current Present Loopbacks Inactive LTU Signal Quality LTU E1 NTU E1 NTU Signal Quality X X X 9 X X X CAS Frame CAS X X X X HDB3 Code HDB3 X X X X ENABLED CRC4 ENABLED X X X X METH1 CFM METH1 X X X X 00000 BPV 00000 X X X X 00000 ES 00000 X X X X 00000 SES 00000 X X 00000 UAS 00000 X xX None lt Alarms None 1 Zero Registers Selection REG1 Status 2 LTU NTU Status 2 System Help Screen REG2 Status SGrPNWAUDN COW OGrPNWAUDN CO Figure 13 Status Screen Shelf 1 Slot 5 Total Access System 04 07 01 09 14 Unacknowle
32. ing The odd slot on the left is the MAIN circuit the even slot to the right is the AUX or backup circuit Prerequisite Procedures Before beginning the configuration and turnup procedure described in this NTP the user should ensure that a Total Access 3010 shelf is properly installed and wired for G 703 network feeds Also ensure the SCU is installed and provisioned NOTE Valid protection pairs are the adjacent odd even slots in the Total Access 3010 shelf and are further designated by the brackets on the lower front silkscreen of the Total Access 3010 chassis The left odd numbered slot in the pair is the MAIN the right even numbered slot is the AUX circuit for the pair Thus Slots 1 and 2 are a valid protection pair but Slots 6 and 7 are not The pair must have the odd numbered slot to the left in the pair NOTE This procedure assumes that the technician turning up the protected circuit knows which pair of slots has been assigned to the circuit and that a single G 703 signal from the appropriate source generally a G 703 cross connect has been routed and wired to the appropriate pairs of pins on backplane connectors labeled Pair 7 and Pair 8 For a protected circuit the appropriate pin pairs that should receive the G 703 from the network are the odd numbered pins corresponding to the MAIN odd numbered slot Materials Required Total Access 3010 chassis installed and wired with SCU e Two Total Access 30
33. m Status Mode after 5 minutes with no activity on the display switch While in this mode the display is completely off The display will return to Status Mode under the following conditions e When either MODE or SELECT is activated Display starts again when the switch is released e When a message other than loop margin is to be displayed 5 SCU CONTROL PORT OPERATION HDSL The Total Access 3010 SCU provides a faceplate mounted DB 9 connector that supplies an RS 232 interface for connection to a controlling terminal The pinout of the DB 9 is illustrated in Figure 5 The terminal interface operates at data rates from 1 2 kbps to 19 2 kbps The asynchronous data format is fixed at 8 data bits no parity and 1 stop bit The supported terminal type is VT100 or compatible TXD Transmit Data RXD Receive Data O00900 219 0109 SGN Signal Ground Figure 5 RS 232 DB 9 Pin Assignments 61182007L1 5A Section 61182007L1 5 Issue 1 Many portable personal computers use power saving programs that are known to interfere with applications running on the personal computer If using a portable personal computer with terminal emulation capability communication between the computer and the HDSL unit may be periodically disrupted if power saving programs are being used on the personal computer The symptoms may include misplaced characters appearing on the screen and or the occurrence of scre
34. n the Total Access System Access SCU requires Logon and a Password using the Screen will appear as illustrated in Figure 7 SCU Control Port See Figure 6 Logon Screen Shelf 77 Total Access System 04 07 01 15 44 Unacknowledged Alarms MAJOR MINOR INFO Total Access System Account Name 2 System Help Screen Figure 6 Logon Screen Shelf 77 Total Access System 04 07 01 15 45 Unacknowledged Alarms MAJOR MINOR INFO Total Access System Controller Common A DS3MX Common B DS3MX Access Modules System Alarms Logoff Selection 2 System Help Screen Figure 7 Total Access Screen 61182007L1 5A Section 61182007L1 5 Issue 1 7 From the Total Access System Screen select Access Figure 8 which will display the Access Modules Modules by typing the number corresponding to the occupying the Total Access 3010 shelf Select the option followed by lt Enter gt This will display the corresponding channel slot number for an LTU Access Module Menu Screen illustrated in Shelf 77 Total Access System 04 07 01 15 46 Unacknowledged Alarms MAJOR MINOR INFO Access Module Menus Enter Channel Slot Number Inverse Busy Modules Figure 8 Access Module Menus Screen 8 Section 61182007L1 5 Issue 1 61182007L1 5A This will display the ADTRAN HDSL Main Menu as illustrated in Figure 9 From the ADTRAN HDSL Main Menu the following screens can be accessed 1 Configuration 2 Provisionin
35. nd HDSL Range Extender REG as listed below e 1245043Lx Low Voltage T400 REG 1245031Lx Low Voltage T200 NTU 1245033Lx Nx64 NTU 1245044L3 4th Gen T400 NTU 1245035Lx 5th Gen T200 NTU The Total Access 3010 LTU can be deployed in circuits consisting of one LTU and one NTU or ina protection configuration requiring two LTUs and two NTUs When deployment requires the HDSL Range Extender REG this LTU can be deployed with one or two REGs and one NTU 61182007L1 5A Trademarks Any brand names and product names included in this document are trademarks registered trademarks or trade names of their respective holders The HDSL local loop operates as two independent subsystems each operating over a single twisted pair The LTU communicates over these two twisted pairs to the HDSL Transceiver Unit Remote end NTU Each subsystem carries half of the total bandwidth along with a small amount of overhead used for maintenance and performance monitoring System power and alarm bus connections are made through the backplane of the Total Access 3010 shelf El and HDSL signals are connected through the 50 pin shelf connectors related to each individual slot The LTU contains onboard fuses Ifa fuse opens it supplies a 48 Vdc voltage to the fuse alarm bus and all front panel indicators will be Off These fuses are not field replaceable The Total Access 3010 LTU uses a DC to DC converter to derive its internal logic and span
36. ote housing The 4 wire MAIN circuit will connect to the Loop 1 and Loop 2 terminals labeled MAIN and the 4 wire AUX circuit will connect to the Loop 1 and Loop 2 terminals labeled AUX 4 1 2 Gently but firmly push the NTU into the lower dual slot remote housing slot Repeat this step for the second NTU in the upper slot 4 1 3 The LTUs will transfer provisioning data to the NTUs upon power up Some provisioning of the NTU however may be necessary due to hardware DIP switches and jumpers See the Installation and Maintenance practice for the specific NTU utilized by your company Section 61182007L1 5 Issue 1 61182007L1 5A Upon provisioning of the NTUs the faceplate LEDs should read as shown in Table 1 NOTE The condition of the ALM G 703 and G 703 LEDs depends upon the status of the equipment on the ends of the installed circuit If both terminations of the circuit are appropriately configured and prepared to pass data the LTU ALM LEDs will be out the LTU G 703 LEDs will be green MAIN and Off AUX the MAIN NTU G 703 LED will be green and ALM off while the AUX NTU G 703 will be off and ALM red 5 RESET ALL EQUIPMENT TO OPERATING CONDITION When the customers at both ends of the circuit have turned up their equipment and are running data or test patterns or are in loopbacks or some other condition that will preclude the generation of alarms the LTUs can be placed Jn Service to restore the al
37. pany 5 1 4 Upon provisioning of the NTUs the faceplate LEDs should read as shown in Table 3 NOTE The condition of the ALM DSX and E1 LEDs depends upon the status of the equipment on the ends of the installed circuit If both terminations of the circuit are appropriately configured and prepared to pass data the LTU ALM LEDs will be out the LTU DSX LEDs will be green the MAIN NTU E1 LED will be green and ALM off while the AUX NTU E1 will be off and ALM red 6 RESET ALL EQUIPMENT TO OPERATING CONDITION When the customers at both ends of the circuit have turned up their equipment and are running data or test patterns or are in loopbacks or some other condition that will preclude the generation of alarms the LTUs and DS3 MUX can be placed n Service to restore the alarm generating functions of the equipment to the network 6 0 1 From the Total Access 3010 DS3 MUX Provisioning Screen select Option 4 Service State and place the DS3 MUX into In Service If dual multiplexers are being utilized place MUX B In Service From the Total Access 3010 LTU Provisioning Screen for both the MAIN and AUX LTUs select the Service State option and place both LTUs In Service Placing the DS3 multiplexers Jn Service will change the Power LED from yellow to green Placing the LTUs In Service will change the PWR LED from slow flashing green to steady green 7 DISABLING PROTECTION SWITCHING Disabling the protection switching mode
38. pring loaded to the center OFF position The display is used to report the loop margins dB and other operational conditions Faceplate Indicators The Total Access 3010 LTU has seven faceplate LEDs illustrated in Table 1 which indicate operational status The Total Access 3010 LTU plugs directly into the Total Access 3010 shelf No installation wiring is required Table 1 Faceplate LED Indicators Yellow LPI Off LED Indication Description PWR Off No power to card Green Power present In Service Yellow Power present Out of Service Maintenance or unassigned Flashing Green In Service Card being accessed by SCU FCD Flashing Yellow Out of Service Card being accessed by SCU FCD G703 Off Network side E1 signal is absent or is of a format that does not match the provisioning of the HDSL circuit Flashing Green Frame bit error or CRC error detected on received E1 signal TST Off Unit is not in loopback or armed state Local LTU loopback is active No synchronization between the LTU and NTU on Loop 1 Red Poor signal quality on Loop 1 lt 10 7 BER Yellow Marginal signal quality on Loop 1 lt 2 dB margin above 10 7 BER Green Good signal quality on Loop gt 2 dB margin above 10 7 BER Flashing An error detected on either end of Loop 1 will cause this LED to blink briefly LP2 Off No synchronization between the LTU and NTU on Loop 2 Red Poor signal quality on Loop 2 lt 10 7 BER Yellow M
39. re 14 REG 1 Status Screen Figure 15 Alarms Screen Figure 16 Test Screen sesssccsseeeres Figure 17 Performance History Screen s es Figure 18 Protection Configuration Screen Main 14 Figure 19 Protection Configuration Screen Auxiliary 14 Figure 20 Set Circuit ID Screen Figure 21 Alarm Option Screen TABLES Table 1 Faceplate LED Indicators irsisresrisissessssisresosrissessssesis 3 Table 2 Screen Abbreviations 0 cee eeeeeeeecseeseeeeeeeeeeeeaes 6 Table 3 LP and LP2 Guidelines ce csccesesecessresessereee 12 Table 4 Protection Configuration Option Settings 15 Table 5 Total Access 3010 LTU Specifications 0 0 0 18 Table B 1 Faceplate LED Indicator occ eee eeeeneeee B 2 1 GENERAL The ADTRAN Total Access 3010 HDSL Transceiver Unit for the Central Office LTU part number 1182007L1 is the Central Office CO unit used to deploy an HDSL EI circuit using 4 wire metallic facilities See Figure 1 L MAN is 5 Figure 1 ADTRAN Total Access 3010 LTU The El input signal is supplied from the network via individual G 703 lines or an E3 multiplexer The HDSL signals are provided to the local loop The Total Access 3010 LTU works in conjunction with the ADTRAN NTU and REG to provide an E1 service up to 9 4 km on the local loop The LTU works with multiple list versions of the HDSL unit Remote end NTU a
40. ssigning the incorrect embedded G 703 from the DS3 to a slot in the Total Access 3010 could disrupt existing traffic 2 2 4 APS configuration of the DS3 MUX units is NOT required for the LTUs to be in H LSS configuration The two APS configurations operate independently of each other NOTE APS Faceplate Pushbutton 1 When activated with the Test Enable switch on the Offline unit it forces a switch to protection Offline MUX becomes Online MUX 2 When activated with the Test Enable switch from the ONLINE unit it toggles the APS Lockout Status B 2 Section 61182007L1 5 Issue 1 61182007L1 5A 3 INSTALL THE LTU The Total Access 3010 LTU delivers an E1 signal over an HDSL local loop The local loop in the H LSS configuration includes two independent 4 wire circuits The two LTUs communicate to their respective remote units the NTUs When an H LSS switch occurs the AUX circuit takes over transmitting the data load from the MAIN circuit until the MAIN circuit is restored 3 1 Install The LTUs into Total Access 3010 Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damage to electronic components Place modules in antistatic packing material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded 3 1 1 3 1 2 Gently but firml
41. the provisioning of the former access cards of the two Total Access 3010 slots will be written to the new access cards upon installation 61182007L1 5A Section 61182007L1 5 Issue 1 A 1 If this is an initial installation the units will require provisioning to appropriately configure them out of the factory default states 2 5 From the provisioning menu of the AUX circuit reset the AUX unit to OOS M 2 6 Logoff the system 2 1 Logon to Total Access system a From the Total Access Menu select 2 2 Check to ensure the LTU line cards are Option 7 Logoff and press lt Enter gt correctly provisioned according to circuit b From the Exit and Logoff screen select parameters Under the Provisioning menu set Y and press lt Enter gt numbered option Network Source to G 703 This option causes the LTU to look to the 3 INSTALL THE DUAL SLOT STANDALONE individual G 703 backplane connector for its HOUSING data feed See the associated Installation and Maintenance practice P N 61245034L2 5 for mounting and wiring instructions 2 3 Ensure the provisioning of both the MAIN and AUX LTUs is identical except for the following options a Provision the MAIN unit to OUT OF 4 INSTALL THE NTU SERVICE MAINTENANCE OOS M The NTU terminates local loop HDSL signals mode originating from the Central Office CO unit and b Provision the AUX unit to the OUT OF transforms the HDSL signal into traditional G 703 SERVICE UNASSIGNED OOS
42. to AUX with no user intervention Switch is initiated by loss of sync on Main or exceeding BER Threshold Alarms and switchover notification are generated via the SCU Auto Mode also allows reversion back to Main once sync is reestablished or the error count drops below the BER Threshold Auto Hold Auto Hold provides system protection identical to Auto Mode except that reversions are not allowed to the Main without user intervention Once switchover has occurred to the AUX circuit data can only be reverted by modifying any option on the terminal screen or by the pushbutton on the faceplate of the LTU Manual Main Manual Main requires manual switchover to the AUX circuit by user intervention Switchover can be accomplished via the faceplate pushbutton or the terminal screen The SCU will make notification of a Main circuit failure but will not report switchover until the data is manually switched to the AUX circuit Manual AUX Data is manually forced to the AUX circuit and will remain there until the mode is changed via the terminal screen or by pushbutton on the faceplate All other option settings are ignored while in this mode Manual Disable In the Manual Disable mode the Main and AUX circuits act as two independent units Separate data can run on either circuit without affecting the operation of the other All other option settings are ignored while in this mode Minimum Hold in Time 1 99 minutes Defines
43. ts data in the event of a protection switch between the MUX modules Ensure the provisioning of both the MAIN and AUX LTUs is identical except for the following options a Provision the MAIN unit to OOS M mode b Provision the AUX unit to the OOS U mode Enable protection switching a Access the MAIN Menu of the LTU in the odd numbered MAIN slot b Select Option 7 Protection Configuration Select Option 1 Protection Mode d To enable protection switching select Option1 Enable Unless the AUX circuit is in the OOS U mode the operator will not be able to change the Protection mode of the MAIN LTU e Set Options 2 and 3 BER Threshold and BER Interval see Table 2 f Back out of the menu for the MAIN slot and access the LTU in the even numbered AUX slot g Select Option 7 Protection Configuration h Option 1 Protection Mode will have been set to AUTO If you desire to provision a different H LSS mode select Option 1 and choose between Auto Manual AUX Manual Main or Auto Hold i Set Options 2 7 as desired on the AUX unit see Table 2 61182007L1 5A Section 61182007L1 5 Issue 1 B 3 3 2 5 From the provisioning menu of the AUX circuit reset the AUX unit to OOS M 3 2 6 Logoff the system a From the Total Access Menu select Option 7 Logoff and press lt Enter gt b From the Exit and Logoff screen select Y and press lt Enter gt 4 INSTALL THE DU
44. y push the LTU into the appropriate odd numbered slot which will be the MAIN HDSL circuit Compatible slots can be any slot pair that starts with an odd number MAIN and includes the adjacent to the right even numbered slot AUX Compatible slot pairs are further designated by the bracket notation around the slot pairs on the silk screen just below the physical slots on the front of the Total Access 3010 Simultaneous thumb pressure at the top above the PWR LED and bottom below the ACT LED of the unit will ensure a good seat of the LTU pins into the backplane connector Repeat this step for the AUX LTU to be installed in the adjacent even to the right slot Push the ejector tab up and closed against the LTU faceplate 3 2 Provision the LTU If Module Auto Provisioning is enabled on the SCU and if the new cards are of the same type as the former the provisioning of the former access cards of the two Total Access 3010 slots will be written to the new access cards upon installation If this is an initial installation the units will require provisioning to appropriately configure them out of the factory default states 3 2 1 3 2 2 3 2 3 3 2 4 Logon to Total Access system Check to ensure the LTU line cards are correctly provisioned according to circuit parameters Under the Provisioning Menu set numbered option Network Source to Auto MUX This option causes the LTU to look to the ON LINE MUX for i
45. ype eceseeeeeseeeeees 2B1Q Mode sersa e N Full Duplex Echo Canceling Number of P ifSissssisisesiisissiiss Two Bit Rate ee cessecvesedsss ats cztarcsiatiseareteesers 1168 kbps per pair Baud Rate icicidiaciteestesieueiiin 584K baud per pair Service Ra g reeniri 2 7 km over 0 4 mm cable 4 7 km over 0 5 mm cable LOOP LOSSuriiriii noain eresia 27 dB maximum 150 kHz Bridged Taps ccccescesseeseeseeteeneee 2 Taps 500 meters maximum each Performance i 2 i scdisteiesiendsdeveincs Compliant with ETSI TS 135 101 HDSL Tx Signal Level 13 5 dBm Input Impedance 0 eee eeeeeeeeeees 135 Q Rett LOSS tecscistevssccccssveresteceasnrens 20 dB 40 kHz to 200 kHz Network Interface Aaware El a sitscsssedsseicischcsieenesreesevtavevd 2 048 Mbps CCITT G 703 and G 704 compatible El Output Level sicsccccnse ccc oe 0 dB Impedance f iscisiectitnenisdnnuies 75 or 120 Q E1 Core Frame cccecceeseeseessseenes Method 0 Method 1 see Section 5 El Line Code s ss cena sisieiaseetieiiecs AMI HDB3 Bl FORM at sees ceeccseecesevcosssscoccacaeyateonaees CCS CAS Unframed El Error Checking 0 scscsctecies CRC4 Power Total POWET s scissssssssectsccdascsseesvevazesives 48 Vdc 10 W typical E1 LTU Power Dissipation lt 7 W maximum E1 LTU 48 Vdc Current Drain lt 3 A maximum Sealing Current sinisira current limited at 10 mA Span Power cccesceeseeseesce
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