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1. 6 4 9 Ber alarm sever 0 Display 1 No alarm 2 A level alarm 3 B level alarm 4 AS level alarm Load factory settings Are you sure 1 Cancel 99 Yes Figure 23 Settings menu structure continued Nokia Corporation Nokia Proprietary and Confidential 57 96 NOKIA ACL measurements 0 Display all 1 Noise margins 2 Rx levels 3 Tx levels 4 Attenuations 5 Line voltage 6 Temperature AMS 7 0 P NM At dB dB 1 XXX XX 2 XXX XX Line voltage Temperature 7 1 Noise margins Pair 1 xxdB Pair 2 xxdB 7 2 Rx levels Pair 1 xxdBm Pair 2 xxdBm 7 3 Tx levels Pair 1 xxdBm Pair 2 xxdBm 7 4 Attenuation Pair 1 xxdB Pair 2 xxdB 7 5 Line voltage xxV 7 6 Temperature under xxC User Manual noise margin At Attenuation Tx Rx dBm dBm XX x XX x xxV xxC if DC No power feeding if PF Power feeding 110V ON OFF if RP measured line voltage Figure 24 Measurements menu 58 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Using Q1 menus ACL statistics 1 Port statistics 2 Line statistics 3 System counters 99 Reset all statistics 100 15min and 30 24h periods 8 1 3 8 1 3 1 2 Port stat relative Give period 0 to 100 Tamin penogs O curr 1 last 2 prev etc 2 24h periods 8 1 3
2. Rx levels Displays the current reading of the unit s received signal meters Tx levels Displays the current reading of the unit s transmitted signal meters Attenuations The current reading of all the line attenuation meters 76 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Using Q1 menus Line voltage Shows the received line voltage when a remote powered ACL2i rp is used e Temperature Displays the temperature in the subrack where ACL21 is installed The sensor in the upper right corner on the PCB measures the temperature with accuracy of 5 C 8 7 ACL statistics 8 This menu provides information on port line and system statistics Port statistics 8 1 Line statistics 8 2 The Port Statistics and Line statistics submenus see Figure 25 allow you to monitor the signal quality In the Port Line statistics submenu You must first select whether you want to monitor port or line statistics Then select absolute or relative values After this you can define which period you want to monitor The number of selectable periods can vary from 0 to 100 0 standing for the current period 1 for the last period and 2 for the previous one etc You can choose between 0 to 100 periods of 15 minutes or 0 to 30 periods of 24 hours to monitor a number of signal quality parameters according to G 826 For more information on statistic parameters of the line signal dis
3. 8 1 General Figure 17 illustrates the main menu with the first sublevel alternatives The rest of the menu is presented on pages thereafter Different menu options are identified with number series indicating the exact location of the option in question For example entry 6 1 5 is on the second submenu level of the ACL Settings menu 6 These number series are used for direct access to the desired options Access to the Q1 menus of ACL2i is provided through the Service Terminal Macro STE or Network Management System NMS Use of these control devices is explained in their own documentation whereas the ACL2i customer documents concentrate on functions of the network terminal itself The Q1 main menu level contains the following 11 menus of which those available in ACL2i are typed in boldface in the list below 1 Fault display 2 Local alarm cancel 3 Reset local cancel 4 Identifications 5 Controls temporary 6 Settings permanent 7 Measurements 8 Statistics 9 Testing DNO02110174 Nokia Corporation 49 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 10 User privileges 11 Miscellaneous The options of the ACL2i menus are described in more detail in the following subsections 50 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA 8 2 DNO2110174 Issue 1 0 en Menu diagrams 1 Fault display 2 Local alarm cancel 3 Reset lo
4. OFF 6 3 6 2 Select this option to disable transmit power reduction Line length The maximum performance shown in tables below and in Figure 33 is measured in ideal circumtances with the VMOHBU 0 4 0 5 and 0 8 mm cables In a real case you should reserve 3 to 6 dB noise margin due to the changing circumtances in the line 2 w ACL2i reach km no noise Cable mm Line rate TS 32 Line rate TS 16 Line rate TS 8 0 4 37 nE km 4 7 60 6 5 0 5 40 nF km 8 5 9 5 0 8 45 nF km 19 0 4 w ACL2i reach km no noise Cable mm Line rate TS 32 Line rate TS 16 Line rate TS 8 0 4 37 nF km 0 5 40 nF km 0 8 45 nF km 72 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Using Q1 menus ACL2i reach Reach km 0 4mm cable no noise BER lt 1E 7 9 0 8 0 7 0 6 0 4 w 5 0 4 0 3 0 2 0 1 0 4 8 12 16 20 24 28 32 n 3 to 32 192 kbit to 2048 kbit s Line rate TS Figure 33 Maximum cable length without noise Factors limiting connection length The maximum connection length of ACL2i is defined by the following variables Cable attenuation The attenuation of a cable depends on thickness and pair capacitance It also depends on impedance mismatching resulting from connecting different types of cables as well as from reflections caused by this Cable noise level e Noise in a cable is mainly caused by a cross t
5. On the ACL2i unit s front edge there are two programmable alarm sources PA1 and PA2 located on the Management Interface connector P1 see Section 9 4 3 and Figure 5 The pin configuration is described in Table 3 On the unit s backplane there are three open collector alarms AA AB and AD located on the subrack connector P4 see Section 9 4 3 and Figure 5 The pin configuration is illustrated in Table 1 4 2 4 Management interface The physical layer and the management protocol comply with Nokia s NMS management system 14 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Construction and interfaces ACL2i is a Q1 managed device and it can be managed either locally or remotely Local management is performed with a small portable Service Terminal V 11 RS 485 interface on connector P1 or with a Macro STE V 28 interface on connector J4 running on a PC Network Management is executed using a Nokia NMS at the central management point 4 2 5 External clock interface The external 2M clock input is according to the ITU T Recommendation G 703 The interface is on the SMB connector marked as J3 see Figure 5 4 3 Power supply This section describes different power supply options for the ACL2i unit 4 3 1 Battery voltage The incoming battery voltage is fed through the EPSA 19 Enhanced Power Supply Adapter or the SPA Subrack Power Adapter 1 Enh PSA 19 use
6. The ACL2i DNT2Mi timing is shown in Figure 29 When the Line option is selected the main system clock is generated from the Rx clock provided by the line interface When the Port option is selected the main system clock is generated from the Rx clock provided by the port interface When the Internal option is selected the main system clock is generated from the unit s internal 114 clock Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Using Q1 menus When the Transparent option is selected both transmission directions are synchronised from the incoming signal This option is used in mesh network solutions When the External option is selected the main system clock is generated from the external clock interface signal and a more jitter free clock signal can be given compared to the Port option for the SHDSL connection ACL2i Timing Figure 28 ACL2i ACL2i timing DN02110174 Nokia Corporation 67 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA DNT2Mi mp sp ACL2i DNT2Mi mp sp a STU R i T Line Timing DNT2Mi mp sp Line Pi sTU R zz T Diam Figure 29 ACL2i DNT2Mi timing 8 5 3 Line settings 6 3 This menu branch allows you to perform settings to the line 68 96 Nokia Corporation Nokia Proprietary and Confidential User Manual DN02110174 Issue 1 0
7. 2 2 Management ACL2zi is controlled through a software based Q1 menu system which is operated using the Nokia s hand held Service Terminal Microsoft Windows based Macro Service Terminal Emulator MSTE program running on a PC or Nokia s Network Management System NMS The V 11 RS 485 Service Data Interface on the front panel can be connected to a bus at the equipment site All equipment connected to the bus can then be remotely controlled from one point using the Service Terminal Macro STE or Nokia NMS Local management ACL2i can be managed locally with the Service Terminal or Macro STE Local management can be utilised without removing the unit from the subrack The Service Terminal is connected to the Service Interface at the top of the unit s front panel and the Macro STE to the D connector above the LED indicators see Figure 5 For more information about supported Windows operating systems refer to the Macro Service Terminal Emulator User s Manual Remote management ACL2i can also be managed remotely with Nokia s Network Management System NMS Nokia s NMS allows you to monitor faults and manage network elements NEs NMS has a graphical PC based user interface For more information refer to the documentation of Nokia s NMS products 10 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Applications 3 Applications At the network site the customer line is terminated by
8. 30 W The thermal power of power feeding ACL2i pf installed in the subrack amounts to 10 W that is the amount of power loss in the subrack through heat dissipation Power distribution in a remote powered system is illustrated in Nokia Corporation Nokia Proprietary and Confidential Figure 34 Subrack 4 wire SHDSL line 0 4 mm DNT2Mi sp i 4 wire SHDSL line 0 4 mm DNT2Mi mp u 1 V 35 1 V 35 v 35 Figure 34 ACL2i power distribution 83 96 NOKIA User Manual 9 4 Electrical interfaces 9 4 1 2M data interface 2M data interface Connector Interface type Interchange circuits Maximum allowed timing jitter at receiver timing 120 ohm symmetrical 2 x 32 Euro 75 ohm asymmetrical SMB G 703 2 Mbit s According to ITU T G 823 Maximum generated timing jitter at receiver timing According to ITU T G 823 Frame structure According to ITU T G 704 Relevant ETSI ONP standards ETS 300 246 ETS 300 247 ETS 300 418 ETS 300 419 Electrical characteristics All signals According to ITU T G 703 2048 kbit s Common mode rejection Return loss 120 or 75 ohms 1 kHz to 4 5 MHz External clock input Connector 50 dB 75 ohm asymmetrical SMB Interface type G 703 2 MHz Protection Dielectric strength Overvoltage protection Nokia Corporation Nokia Proprietary and Confidential 500 Vims 50 Hz 1 min ETS 300248 1 kV common m
9. 6 Maintenance Chapter 7 Using Q1 menus Chapter 8 Technical specifications Chapter 9 Related documents For more information about the DNT2Mi data network terminal refer to the DNT2Mi sp mp User Manual Nokia Corporation 7 96 Nokia Proprietary and Confidential NOKIA 8 96 Nokia Corporation Nokia Proprietary and Confidential User Manual DNO2110174 Issue 1 Oen NOKIA Introduction 2 Introduction Nokia ACL21 is a data access line terminal intended for the central office It provides a two wire or four wire SHDSL line interface ITU T G 991 2 anda symmetrical or coaxial 2M data interface ITU T G 703 G 704 In the Q1 menus 2M data interface is referred to as a port interface The terminal is a plug in unit that can be used for example in the DYNANET 19 subrack or TM4 cartridges Figure 1 Example of ACL2i line terminal 2 1 Power supply There are three different versions of ACL2i differing in the mode of powering DNO2110174 Nokia Corporation 9 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual ACL2i In the standard ACL21 power is taken from the subrack in which the terminal is installed ACL2i pf In ACL2i pf power is taken from the subrack in which the terminal is installed This line terminal can feed power to a repeater DNT2Mi device or ACL2i rp terminal ACL2i rp ACL2i rp is a remote powered version receiving power via the SHDSL line
10. are General about installation Section 5 1 Electromagnetic compatibility Section 5 2 Connectors and pin numbering Section 5 3 Strappings Section 5 4 Connecting remote power lines Section 5 5 5 1 General When installing the unit in a subrack or cartridge make sure that you follow the appropriate cable and connector recommendations The line terminal is ready for operation after it has been installed in a subrack or cartridge and the cables have been connected Before the equipment is taken into use the identifications and settings should be checked and if required the statistics and error counters reset DN02110174 Nokia Corporation 17 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Note The equipment is sensitive to static electricity When handling the units and making hardware strappings you should follow the general instructions concerning handling of ESD sensitive equipment Wrist grounding or corresponding anti static precautions should always be taken when handling a plug in unit once it has been removed from its anti static packaging Warning Do not touch the line or remote power circuits of the power feeding or remote powered ACL2i Note also that the plug in units retain an electrical charge for a moment after they have been removed from the subrack A situation should be avoided in which the remote powered ACL2i rp is removed from the su
11. en NOKIA Using Q1 menus Line interface 6 3 3 In this menu you can select the following line settings SHDSL mode e 2 wire or 4 wire mode Line rate Line interface SHDSL mode STU C Fixed STU R Rate Adaptive 2 wire 4 wire 2 wire 4 wire Line Rate Line Rate n s3 32 n 6 32 Figure 30 Principle of the Line interface menu G SHDSL mode 6 3 3 This menu allows you to select the SHDSL mode STU C 6 3 3 1 This option defines the unit as a SHDSL Termination Unit STU Central office It also sets the bit rate in the line as Fixed STU C determines the line rate to the value given with the menu command Give line rate 6 3 3 1 2 STU R 6 3 3 2 This option defines the unit as a SHDSL Termination Unit STU Remote It also sets the bit rate in the line as Rate adaptive If line conditions attenuation noise allow STU R adapts to the line rate set on the STU C side DNO02110174 Nokia Corporation 69 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA 70 96 User Manual Two wire 6 3 3 1 2 In the 2 wire option only Line 1 is enabled Line 2 is idle See Table 2 for line connector pins Four wire 6 3 3 1 4 In the 4 wire option both lines Line 1 and Line 2 are enabled See Table 2 for line connector pins PSD mask Symmetric The symmetric PSD mask defines the spectral shape of the signal transmitted to the line The symmetric PSD
12. green When both pairs are up the LED is constantly green Nokia Corporation 39 96 Nokia Proprietary and Confidential NOKIA 7 2 7 3 40 96 User Manual Service LEDs ACL2zi has three service LEDs green yellow and red Operation of these LEDs is described below Alarms are indicated with constantly illuminated LEDs as follows Red LED A serious fault detected in the unit preventing its use Yellow LED A minor fault detected in the unit restricting its use A fault detected in the signal received by the unit or A control has been initiated in the unit Green LED The unit is being accessed by a manager unit Alarms One of the network management s key functions is to collect data on network alarms Alarms are transmitted via the alarm bus to alarm relays situated in the subrack power adapters The alarm relays forward alarms A urgent B non urgent and D reminder indication to the centralised transmission center as rack alarms The following three tables equipment faults 2M data interface faults and line interface faults show how various fault conditions affect the different alarms and interface signalling conditions of ACL2i Fault management includes continuous monitoring of equipment status alarm information from the network element database Faults are shown through the Q1 menu s first option Fault display see Chapter 8 Nokia Corporation DNO2110174 Nokia Propri
13. interfaces External clock in Management interface V 28 Service LEDs G 703 120 ohm data interfaces Line interface Figure 3 Mechanical construction of the ACL2i line terminal DNO2110174 Nokia Corporation 13 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 4 2 Interfaces This section describes the different interfaces located on the front panel of the ACL2i unit 4 2 1 2M data interface The physical layer of this interface complies with relevant ETSI and ITU T Recommendations for example G 703 G 823 and G 732 ACL2i has two 2M data interface alternatives located on the front panel a 120 ohm symmetrical interface on the Euroconnector see Figure 5 and a 75 ohm coaxial cable asymmetrical interface SMB connectors marked as J1 and J2 in Figure 5 For pin configuration of the 2M data interface refer to Table 2 The framing structure complies with the ITU T Recommendation G 704 2 Mbit s interface and the corresponding ETSI ONP standards ETS 300 246 ETS 300 247 ETS 300 418 ETS 300 419 4 2 2 Line interface The line interface complies with the ITU T Recommendation G 991 2 The Q1 management channel is embedded in the frame structure of the SHDSL line The Q1 management channel uses EOC bits of the SHDSL frame The line interface is located on the Euroconnector see Figure 5 The pin configuration of the line interface is described in Table 2 4 2 3 Alarm interface
14. is in use for both 2 and 4 wire modes G 991 2 Annex B dBm 20 30 50 60 70 80 90 Mask 100 Measured 0 2 o4 0 6 0 8 IMHz Figure 31 Measured SHDSL symmetric PSD and mask 2 w line rate n 32 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Using Q1 menus dBm a ee ee eee ee ere ee ee 80 fone ih ssi kena kde aRnn cat yrs RO Pi eee ee ee ek ee ee ee ee ee ed ee ee ee ee ee ee P a 7 E E oe or oe ee oe ee oe ee ee ee ee ee ee i EE eee rh ee E TE E tenon Mash 100 Measured 0 2 a4 0 6 0 8 IMHz Figure 32 Measured SHDSL symmetric PSD and mask 4 w line rate n 32 or 2 w line rate n 16 Give line rate 6 3 3 1 2 n 6 3 3 1 4 n This setting defines the maximum achievable bit rate in the line only if the STU C option is taken into use In the 4 wire mode only even numbers for n are allowed n 6 8 10 32 Note In ACL2i pf and ACL2i rp the value of the line rate n starts from 12 in 2 wire mode and from 24 in 4 wire mode Power backoff 6 3 6 ON 6 3 6 1 Select this option to enable transmit power reduction on short loops The transmit power is reduced as a function of the line power loss shown in Table 9 DNO2110174 Nokia Corporation 71 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Table 9 Function of the line power loss Power loss dB Power backoff dB 12 PL gt 0
15. menu item 6 3 8 6 3 9 This alarm can be disabled 3 Far end power off pwf Probable causes for each fault condition of the supervisory blocks are explained in the following sections 7 3 1 Equipment faults Loss of remote power supply 03h There is a fault in the remote power supply block of ACL2i Test mode 17h A self test has been run in the equipment Fault in equipment 80h The unit has detected a possible hardware malfunction during its operation A self test should be run to verify that the unit is not faulty Local alarm cancel 93h Pending alarms of the unit have been temporarily cancelled via the Q1 menus of the unit 42 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Maintenance Sync fault in clock recovery 7ch This fault initiates from three conditions a The timing source of the unit is Port and the Rx timing signal is not present at the port interface b The timing source of the unit is Line and there is a Loss of signal condition at the SHDSL line interface External timing signal is missing Temperature error 91h Temperature in the subrack where ACL21 is installed has exceeded the defined limit 7 3 2 2M data interface faults DNO2110174 Issue 1 0 en Loss of incoming 2M signal 32h There is a loss of the G 703 signal in the port interface Loss of frame alignment 51h There is a loss of the G 704 basic frame CRC
16. multiframe alignment lost 56h CRC 4 multiframe alignment is lost or cannot be found but the basic frame alignment is ok BER gt 1E 3 63h The bit error rate in the receive direction of the G 704 line has been exceeded or is approaching 10 The value is an approximation BER gt 1E 6 66h The bit error rate in the receive direction of the G 704 line has been exceeded or is approaching 10 The value is an approximation AIS 2M 42h AIS information received in the G 703 interface Far end alarm B3h A far end alarm from the remote end is received through the TO A bit of the frame structure on the G 704 line This means that there is an internal fault condition or a synchronisation problem in the remote end unit Nokia Corporation 43 96 Nokia Proprietary and Confidential NOKIA User Manual Loop to interface 15h A loopback towards the G 703 interface has been activated in the unit by using the Q1 menus 7 3 3 Line interface faults Loss of incoming signal 30h There is a Loss of signal condition according to the SHDSL recommendation at the SHDSL line interface Loss of frame alignment 51h There is a Loss of SHDSL framing condition according to the SHDSL recommendation at the SHDSL line interface BER gt 1E 3 63h The bit error rate in the receive direction of the SHDSL line has been exceeded or is approaching 10 The value is an approximation BER gt 1E 6 66h The bit error rat
17. network terminal or a repeater over two SHDSL lines Local power supply and remote power feed Input Incoming battery voltage 39 to 75 V Input current when battery voltage 40 V Max 800 mA Input current when battery voltage 60 V Max 500 mA Input current when battery voltage lt 35 V Max 5 mA Input power typical range 10 14 W sp when feeding DNT2Mi sp 15 22 W mp when feeding DNT2Mi mp Output power Max 2x 10 W Output Supply voltage to SHDSL pair 110 V or 145 V Supply current to SHDSL pair 90 mA or 60 mA Thermal power Heat dissipation in subrack 6 8 W typical range Note The output voltage stays constant up to the maximum current limit The power supply operates also during a total short circuit state feeding the maximum current to the load After the short circuit state the output voltage will recover to the nominal output voltage 82 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA 9 2 3 9 3 DNO2110174 Issue 1 0 en Power supply block ACL2i rp ACL2i rp is powered remotely over the SHDSL line Power supply block Incoming voltage Technical specifications 50 to 150 V Start up voltage 90 V Input current when voltage lt start up voltage Max 2 mA Power consumption Power distribution Max 4 5 W The incoming power fed to the subrack housing ACL2i pf amounts to maximum
18. source 6 2 66 Line settings 6 3 68 Port settings 6 4 75 Load factory settings 6 7 76 ACL measurements 7 76 ACL statistics 8 77 Testing 9 78 ACL privileges 10 78 Technical specifications 81 Dimensions 81 Power supply 81 Local power supply ACL2i 81 Local power supply and remote power feed ACL2i pf 82 Power supply block ACL2i rp 83 Power distribution 83 Electrical interfaces 84 2M data interface 84 Line interface 85 Alarm interface 85 Management interface 86 Data lead time 87 Unit identification 88 Ambient conditions 89 Environmental and mechanical requirements 89 Electromagnetic compatibility 90 Safety and protection 91 Glossary 93 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Summary of changes Document Date DN02110174 Issue 1 en 18 Oct 2002 DNO2110174 Nokia Corporation Issue 1 0 en Nokia Proprietary and Confidential Comment 5 96 NOKIA 6 96 Nokia Corporation Nokia Proprietary and Confidential User Manual DNO2110174 Issue 1 Oen NOKIA 1 DNO2110174 Issue 1 0 en About this manual About this manual This user manual introduces the Nokia ACL2i1 data access line terminal and provides information needed for its installation and use The covered topics are Introduction to ACL2i Chapter 2 Applications Chapter 3 Construction and interfaces Chapter 4 Installation Chapter 5 Commissioning Chapter
19. the ACL2i line terminal which provides a 2048 kbit s G 703 G 704 access to other equipment with a similar 2 Mbit s interface for example Nokia ACM2 DM 2 DB 2 or DN 2 At the customer end the customer line can be terminated by an ACL21 or DNT2Mi terminal DNT2Mi is a data network terminal which can be equipped with up to three interchangeable DTE interface units The basic applications of the ACL2i terminals are illustrated in Figure 2 DNO02110174 Nokia Corporation 11 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Customer Customer line data interface 4 DIGITAL NETWORK PDH ACL2i pf ACL2i ACL2i 2048 kbit s G 703 G 704 interface ACL2i rack mounted line terminal DNT2Mi stand alone network terminal PBX private branch exchange pf power feeding rp remote powered Figure 2 ACL2i network applications 12 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Construction and interfaces 4 Construction and interfaces This chapter describes the mechanical construction different interfaces and power supply options of the ACL21 line terminal 4 1 Mechanical construction ACL21 is a plug in unit used in the DYNANET mechanics family It takes one plug in unit space 5T in a subrack or cartridge Figure 3 shows the mechanical construction of the ACL2i pf unit Subrack connector G 703 75 ohm data
20. to O or 1 The default for all of them is 1 BER alarm limit 6 4 8 The bit error rate BER alarm limit of the G 704 2M port can be checked and changed using this menu The BER alarm limit can be either 10 E 3 or 10 E 6 Alarms can only appear if the frame format is either one of the CRC 4 alternatives BER alarm severity 6 4 9 This menu allows you to view and change the value set to the BER alarm severity Alarms can only appear if the frame format is either one of the CRC 4 alternatives Nokia Corporation 75 96 Nokia Proprietary and Confidential NOKIA User Manual 8 5 5 Load factory settings 6 7 Factory settings can be loaded by using this menu With this setting it is possible to reset the EEPROM memory and to restore default structures and settings into use To activate the settings you have to answer 99 Yes after receiving a request for confirmation It takes about 30 seconds to save the information If you answer 1 Cancel the factory settings will not be taken into use Note You may lose your management connection to the device due to change of the Q1 address Q1 speed or data hybrid 8 6 ACL measurements 7 The ACL measurements menu offers a set of analog measurements readings or temporary and unbound settings to support external measurements The following values can be measured for the SHDSL line signal Noise margins The current reading of all the signal to noise meters
21. version S65572 01 AO 4 7 Modify 2 Eq name 3 Eq location 4 Installation date Nokia Corporation Nokia Proprietary and Confidential 4 7 2 4 7 2 1 User Manual Eq name 0 Display 1 Modify 4 7 3 Give new eq name Max 15 characters 4 7 2 1 Eq location 0 Display 1 Modify 4 7 4 Installation date 0 Display 1 Modify Give new eq location Max 15 characters 4 7 4 1 Identifications menu Give new installation date yyyy mm dd DN02110174 Issue 1 0 en NOKIA 5 ACL controls 0 Display 1 All test loops off 2 Port test loop 3 Line test loop 5 2 Port test loop 0 Display 1 Port test loop off 2 Loop to Port 5 3 Line test loop 0 Display 1 Line test loop off 2 Loop to Line Figure 19 Controls menu DNO2110174 Nokia Corporation Issue 1 0 en Nokia Proprietary and Confidential Using Q1 menus 53 96 NOKIA User Manual 6 ACL settings Service options 0 Display 0 Display 1 Service options 1 Local speed SI 2 Timing source 2 Q1 Address 3 Line settings 4 Q1 speed DI 5 PA1 function 4 Port settings 7 Load factory settings 6 PA2 function 7 Test time out 8 Data hybrid 9 Int Q1 bus 10 LMI master 11 Q1 via line 12 Temperature alarm limit 13 Temperature alarm severity 6 1 1 Local speed SI 0 Display Set speed 600 9600 6 1 2 6 1 2 1 Q1 address G
22. 00 bit s Q1 address 6 1 2 An individual address is set for the equipment so that it can be used on the Q1 bus The address value is between 0 and 4093 For the restrictions in address usage refer to the Note at the end of Section 6 2 Q1 speed 6 1 4 This option defines the management data rate used between the DI port and the EOC Bus in a case when the hybrid is configured off Otherwise the configured local speed value is dominant PA1 and PA2 functions 6 1 5 and 6 1 6 These menus are used for selecting a function of the programmable alarm outputs PA1 and PA2 Menu options activate the alarm outputs PA1 and PA2 when a specified alarm condition is present in the equipment Alarms A urgent B non urgent D reminder S service alarm or a combination of these can be selected The A amp S condition indicates the presence of A and S alarms combined whereas A B and A B S conditions indicate the presence of any of the respective alarms in the unit Test timeout 6 1 7 This menu allows you to set the time during which a control see menu 5 2 is active If you do not deactivate an ongoing control yourself the unit goes automatically back to normal state after the specified time The timeout is specified in minutes 1 to 64999 but it can also be set to infinite by the menu option 6 1 7 65000 meaning infinite Data hybrid 6 1 8 The data hybrid of ACL2i can connect the SI interface to the DI interface This com
23. 1 2 0 15 min relative statistics PO xxd xxh xxmin xxs UATR Rx xx Rx xx SESR Rx xx BBER Rx xx 8 1 Port statistics 3 Relative values 4 Absolute values 5 Reset statistics UATR Tx xx Tx XX SESR Tx xx 8 1 4 Port stat absolute 115 min periods 2 24h periods 3 Since last reset 8 1 4 1 2 Give period 0 to 100 O curr 1 last 2 prev etc 8 1 4 1 2 0 15 min absolute statistics PO xxd xxh xxmin xxs UAT Rx xx ES Rx xx SES Rx xx BBE Rx xx UAT Tx xx ES Tx xx SES Tx xx 8 1 4 3 Statistics since last reset TT xxd xxh xxmin xxs UAT Rx xx ES Rx xx SES Rx xx y BBE Rx xx 8 2 UAT Tx xx 8 3 ES Tx xx SES Tx Figure 25 Statistics menu structure DN02110174 Nokia Corporation 59 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA 8 2 Line statistics 1 Line status 3 Relative values 4 Absolute values 5 Reset statistics 8 3 Line stat relative 1 15 min periods 2 24h periods 100 15min and 30 24h periods 8 2 3 1 2 Give period 0 to 100 System counters 1 CPU reset counter 2 Time since reset 8 3 1 0 Display CPU reset counter 1 Reset counter 8 2 4 115 min periods 2 24h periods 3 Since last reset 8 3 2 Time since reset xxd xxh xxmin
24. 125 constantly OFF OUT 5 4 Strappings The only hardware straps that can be set on the plug in unit are the 2M data interfaces The strappings and their location are shown in Figure 6 DN02110174 Nokia Corporation 23 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Equipment interface strapping G 703 75 ohm coaxial SMB G 703 120 ohm symm EURO Euro 120 Q elle rE 75 ohm coaxial in use 120 ohm symmetrical in use fi strap in place strap off Figure 6 2M data interface strappings 5 5 Connecting remote power lines In the remote powered ACL2i rp if the remote power feed is connected in a wrong way that is if the plus or minus wires between the pairs are cross connected the receiving remote unit still functions properly However in this situation data transfer is not possible see Figure 7 24 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Installation Lines correct Lines cross connected ACL2i rp ACL2i rp Line pair 1 Line pair 2 Power available and Power available but data data transfer possible transfer not possible Figure 7 Remote power feed connection DNO02110174 Nokia Corporation 25 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 26 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Iss
25. 2 SPA use AC DC Power Supply AC DC Power Supply a mee a PS to si 60 V EPSA 19 P 48V DYNANET Subrack A to 60 V DYNANET Subrack Figure 4 Power feed examples for ACL2i in a DYNANET subrack In case of a power supply unit failure an auxiliary 5 V voltage is applied to light up the red alarm LED and to drive external alarm outputs This auxiliary voltage is fed from the SPA unit DNO02110174 Nokia Corporation 15 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Refer to the documents of the subrack power adapters for detailed information on the operation of the power supplies 4 3 2 ACL2i local power supply Powered from the battery voltage of the DYNANET subrack Operating range 39 75 V 4 3 3 ACL2i pf remote power feed Powered from the battery voltage of the DYNANET subrack Operating range 39 75 V Feeds power to a network terminal over SHDSL lines Can be set on and off through the network management Generates alarms in case of faults and failures 4 3 4 ACL2i rp remote powered Power is taken from SHDSL lines Operating range 50 150 V Voltage fed over the line can be monitored through the network management 16 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Installation Installation This chapter gives instructions for installation of the ACL2i line terminal The covered topics
26. 2 Mbit s line terminal Access Multiplexer first order Alarm Indication Signal Background Block Error Background Block Error Ratio Bit error rate The ratio between the full number of bits transmitted in a test message and the number of received erroneous bits in that message Central Processing Unit Cyclic Redundancy Check 2 Mbit s Digital Branching equipment Direct Current Data Interface Nokia s fourth generation primary multiplex equipment 2 Mbit s Dynamic Node 2 Mbit s line terminal at the customer side Remote powered multiport DNT2Mi Digital Subscriber Line Data Terminal Equipment Electromagnetic compatibility Embedded Operation Channel Enhanced Power Supply Adapter Nokia Corporation Nokia Proprietary and Confidential 93 96 NOKIA ES ESR ETS ETSI GND HDSL HW ITU T LED LMI MTBF MSTE MUX NE NMS ONP PA1 PA2 PBX PCB PCM PDH POTS PSA PSD Ql 94 96 User Manual Errored Second Errored Seconds Ratio European Telecommunications Standard European Telecommunication Standards Institute Ground High bit rate Digital Subscriber Line Hardware International Telecommunication Union Light Emitting Diode Local Management Interface Mean Time Between Failure Average length of time for which a device works without fault Macro Service Terminal Emulator Multiplexer unit Network Element Network Management System Open Network Provision Programmable alarms of A
27. 3 Line interface G SHDSL mode 1 STU C fixed 2 STU R rate adaptive Power backoff 0 Display 1 ON 2 OFF BER alarm limit 0 Display 1 E 3 2 E 6 6 3 9 Ber alarm sever 0 Display 1 No alarm 2 A level alarm 3 B level alarm 4 AS level alarm User Manual Only in ACL2i pf psds Power spectral density mask Symmetric 32 Line rate the value of n x 64k 6 3 3 1 Line if STU C 6 3 3 1 2 2 4 wire mode Line if STU C 2w psdS 2 Two wire Give line rate 4 Four wire n 3 32 6 3 3 1 4 Line if STU R Line if STU C 4w psdS 2 4 wire mode Give line rate 2 Two wire n 6 32 even number 4 Four wire Note In ACL2i pf and ACL2i rp the value of line rate n starts from 12 in 2 wire mode and from 24 in 4 wire mode Figure 22 Settings menu structure continued Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA DNO2110174 Issue 1 0 en 6 4 Port settings 0 Display 1 Framing format 2 Sa bits usage 8 BER alarm limit 9 BER alarm severity 6 4 1 Framing format 0 Display 1 No frame 2 Basic frame 3 CRC multiframe 4 BF monitoring 5 CRC monitoring 6 4 2 Sa bits usage 0 Display 1 Fill Sa4 2 Fill Sa5 3 Fill Sa6 4 Fill Sa7 5 Fill Sa8 6 4 8 BER alarm limit 0 Display m 1E 3 2E 6 Give filling value Using Q1 menus
28. 85 or a 9 pin D connector for the Macro STE async V 28 86 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Technical specifications 9 5 Data lead time Data lead time means the time which is needed to transfer the data from the incoming 2M data interface of ACL2i to the outgoing 2M data interface of ACL2i or DNT2Mi at the other end of the line DNT2Mi ACL2i 2M data interface interface Lead time Figure 38 Lead time definition The lead time of the data from ACL2i to ACL2i or DNT2Mi depends on the line rate selected as follows DNO02110174 Nokia Corporation 87 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Lead time ms Data lead time ACL2i to DNT2Mi 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 4 8 12 16 20 24 28 32 n 3 to 32 192 kbit to 2048 kbit s Line rate TS Figure 39 Data lead time from ACL2i to DNT2Mi 9 6 Unit identification The equipment can be identified by viewing the sticker that is located behind the service LEDs see Figure 40 Gently pull out the plastic card to view the information The sticker includes two codes The upper code includes the unit s manufacturing details For example the manufacturing time year and week is indicated after the first two digits 0212 in the example sticker The lower code T65580 01 A in the example indicates the unit
29. CL2i Private Branch eXchange Printed Circuit Board Pulse Code Modulation Plesiochronous Digital Hierarchy Plain Old Telephone Service Power Supply Adapter Power Spectral Density Max 19 2k asynchronous operations channel DNO2110174 Issue 1 0 en Nokia Corporation Nokia Proprietary and Confidential NOKIA SES SESR SHDSL SI SMB SPA ST STU C STU R SW TC PAM TM4 TMC TT UAT UATR Terms data network termi nal DYNANET electromagnetic compatibility EMC Nokia NMS DNO2110174 Issue 1 0 en Severely Errored Seconds Severely Errored Seconds Ratio Single Pair High bit rate DSL Service Interface Coaxial connector type Subrack Power Adapter Service Terminal SHDSL Termination Unit STU Central office SHDSL Termination Unit STU Remote Software Trellis Coded Pulse Amplitude Modulation Construction Practice for ND equipment products Transmission Management Computer Total Time Unavailable Time Unavailable Time Ratio A piece of equipment which is used for data transmission over the subscriber loop providing access to the trunk network Nokia s family of primary rate equipment and their tributaries used in access networks The family includes a wide range of products primary multiplex equipment branching and cross connect equipment line equipment for copper cables and optical fibres HDSL line terminals and integrated multiplex and line equipment The ability of a piece of equip
30. Line stat absolute O curr 1 last 2 prev etc 8 2 3 1 2 0 15 min relative statistics PO xxd xxh xxmin xxs Line1 Line2 UATR Rx xx XX ESR Rx xx XX SESR Rx xx XX BBER Rx xx XX 8 2 4 1 2 Give period 0 to 100 O curr 1 last 2 prev etc 8 2 4 1 2 0 15 min absolute statistics PO xxd xxh xxmin xxs Line1 Line2 UAT Rx xx XX ES Rx xx XX SES Rx xx XX BBE Rx xx XX Statistics since last reset TT xxd xxh xxmin xxs Line1 Line2 UAT Rx xx xX ES Rx xx XX SES Rx xx XX BBE Rx xx XX Figure 26 Statistics menu structure continued 60 96 Nokia Corporation Nokia Proprietary and Confidential NOKIA 9 Testing 1 Result of last ST 2 Start self test 10 ACL privileges 1 Password for privileges 2 PIN for privileges 3 Cancel privileges 4 Setting parameters 10 1 Password for privileges Give Password 10 2 PIN for privileges Ground local PIN 1 OK 10 3 Privileges cancelled Using Q1 menus 10 4 10 4 1 Setting parameters Password time out 1 Password time out 0 Display 2 Protections 1 1000 min 3 New password 10 4 2 Protections 0 Display 1 No protections 2 Password required 3 Local PIN required 10 4 3 Give new password 1 7 characters Figure 27 Testing and Privileges menus 8 3 ACL identifications 4 This menu branch allows
31. NOKIA ACL2i Data Access Line Terminal User Manual C33991 85 A0 DNO02110174 Nokia Corporation 1 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA 2 96 CE User Manual The information in this documentation is subject to change without notice and describes only the product defined in the introduction of this documentation This documentation is intended for the use of Nokia s customers only for the purposes of the agreement under which the documentation is submitted and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Nokia The documentation has been prepared to be used by professional and properly trained personnel and the customer assumes full responsibility when using it Nokia welcomes customer comments as part of the process of continuous development and improvement of the documentation The information or statements given in this documentation concerning the suitability capacity or performance of the mentioned hardware or software products cannot be considered binding but shall be defined in the agreement made between Nokia and the customer However Nokia has made all reasonable efforts to ensure that the instructions contained in the documentation are adequate and free of material errors and omissions Nokia will if necessary explain issues which may not be covered by the documentation Nokia s liability for any errors in the documentation is limit
32. Nokia Proprietary and Confidential NOKIA User Manual 38 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA 7 7 1 DN02110174 Issue 1 0 en Maintenance Maintenance This chapter describes what general information and statistics you can get on the equipment to be monitored It also deals with possible alarms and faults You can access all this information using Q1 menus The menus are described in detail in Chapter 8 Line status LED On the plug in unit there is a two coloured line status LED indicating the status on the line Location of the line status LED on the plug in unit is shown in Figure By Operation of the line status LED The line status LED operates as follows In two wire mode If the line is not connected or the line signal is missing the LED is lit red When handshaking is going on typically about 25 seconds the LED is flashing green When the line is up the LED is constantly green In four wire mode If both lines are down not connected or the line signal is missing the LED is lit red If one of the pairs is down and the other one is handshaking the LED is flashing red orange If one of the pairs is up and in the other pair the line signal is missing the LED is lit orange If one of the pairs is up and the other pair is handshaking the LED is flashing green Also if both pairs are handshaking at the same time the LED is flashing
33. a bus Figure 13 Service and data interfaces connected to a bus In this case management data is also transferred over the line to the far end equipment for example to DNT2Mi 32 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Commissioning LMI master on LMI master off Hybrid on Hybrid off SHDSL line DI EOC Bus master Bus slave Bus off EOC on EOC off Figure 14 Q1 management routes Note The address setting has the following restrictions Address 4095 must not be given if the equipment is connected to an NMS bus This address is a common broadcast address Address 4094 is reserved for PC TMC STE use general address for the PC interface unit Address 0 is reserved for PC TMC STE use default address for the PC interface unit 6 3 Timing source Before connecting ACL2i to a network you need to know how the network is timed DNO2110174 Nokia Corporation Issue 1 0 en Nokia Proprietary and Confidential 33 96 NOKIA User Manual ACL2i can receive timing information through the line and port interfaces and through the external timing interfaces ACL2i can also be used as a network timing source using the unit s internal timing circuits More information can be found in Section 8 5 ACL settings 6 4 Line settings You have to check the following items Remote power feed Q1 6 3 2 If there is a r
34. al management is defined in the 6 1 1 menu option Local speed In this case service interfaces can be connected to a bus DN02110174 Nokia Corporation 29 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Local Q1 management Site A Q1 management from remote end Site B SHDSL Q1 BUS line Figure 9 Q1 management data routing If you want to perform site B management via the line management data goes through the data interface DI and the SHDSL line The speed is defined in the 6 1 4 menu option 30 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Commissioning Local Speed Hybrid off Q1 via line off LMI off Q1 bus off Figure 10 Example of Q1 routing In this example management is performed locally Service interfaces can be connected to a bus in which case for example the whole rack can be managed from the same place e Figure 11 Local management Management over the line is not possible in this application DNO2110174 Nokia Corporation 31 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Local Speed Hybrid on Q1 via line on LMI off Q1 bus off Figure 12 Example of Q1 routing In this example local management must be performed either through the backplane bus Q1 bus master slave or by connecting service and data interfaces to
35. alk between the wire pairs The main sources of noise are units using the same frequency band Cable impulse noise level Impulse noise in a cable can be caused for example by a telephone s pulse dialling signals and exchanges based on the relay technique Cable distortion ACL2i has an effective adapter equalizer which corrects the distortion caused by the cable However if the connection is extremely long the extent of the distortion may also restrict the length DNO02110174 Nokia Corporation 73 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Remote power feeding If a 110 V remote power is used the maximum line length may be limited Ifa 145 V supply voltage is used remote power feeding does not limit the maximum cable length However use of the 145 V supply voltage may be restricted due to local safety regulations Table 10 shows the maximum cable lengths when the remote power voltage is 110 V and Table 11 when the remote power voltage is 145 V The values listed are the worst ones to be received assuming that the most power consuming DTE adapters are in use and that the multiport version uses all three DTE ports In the tables the values indicated with the italic font mean that the remote power feeding is a limiting factor for the maximum reach Table 10 Maximum cable lengths when using the 110 V remote power supply ACL2i pf 110 V n 32 to Max reach without remote power feed
36. brack with the line connection remaining operative 5 2 Electromagnetic compatibility Special EMC structures for example DY NANET EMC subrack must be used to meet the required electromagnetic compatibility EMC Shielded cables required by these structures must also be used For a specification of electromagnetic compatibility see Section 9 7 2 5 3 Connectors and pin numbering This section describes ACL2i s connectors and pins in detail 18 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA SI DI Temperature Management Interface V 11 sensor SI DI Programmable outputs 2M Data in G 703 75 ohm SMB 2M Data out G 703 75 ohm SMB Ext clock in SMB Management interface V 28 J4 H Line status LED Red Service LEDs Yellow Green Empty Figure 5 Connectors of the ACL2i terminal DNO2110174 Nokia Corporation Issue 1 0 en Nokia Proprietary and Confidential Installation Subrack connector 19 96 NOKIA User Manual 5 3 1 Subrack connector P4 3 x 32 Euro Male Table 1 Pins of subrack connector P4 Euroconnector Pins of the subrack connector as seen from the back of the ACL2i unit Explanation Not in use Ground Not in use Pin c Downstream Q1 bus IN OUT Pin a Upstream Q1 bus IN OUT Ground Not in use Unit voltage 5 V OUT Unit address IN number of unit location in
37. cal cancel 4 Identifications 5 Controls 6 Settings 7 Measurements 8 Statistics 9 Testing 10 User privileges 11 Miscellaneous not implemented Figure 17 Main Q1 menu structure Nokia Corporation Nokia Proprietary and Confidential Using Q1 menus ACL Identifications 0 Display 1 Eq type 2 Eq name 3 Eq location 4 Installation date 5 HW version 6 SW version 7 Modify ACL controls 0 Display 1 All test loops off 2 Port test loop 3 Line test loop ACL settings 0 Display 1 Service options 2 Timing source 3 Line settings 4 Port settings 7 Load factory settings ACL measurements 0 Display all 1 Noise margins 2 Rx levels 3 Tx levels 4 Attenuations 5 Line voltage 6 Temperature 8 ACL statistics 1 Port statistics 2 Line statistics 3 System counters 99 Reset all statistics Testing 1 Result of last ST 2 Start self test 10 ACL privileges 1 Password for privileges 2 PIN for privileges 3 Cancel privileges 4 Setting parameters 51 96 NOKIA 52 96 4 0 Display 1 Eq type 2 Eq name 3 Eq location 4 Installation date 5 HW version 6 SW version 7 Modify 41 ACL2i pf ACL Identifications Eq location 4 2 ACL2i 4 3 Location UNIT 6 4 4 Installation date First 2002 02 20 Last 2002 02 20 4 5 HW version Figure 18 E65581 01 A 4 6 SW
38. cription and or ratio Total time Time passed since the last reset Unavailability Ten consecutive SES seconds increases the time UAT value Errored seconds Number of errored seconds Severely errored Number of seconds during which 30 seconds blocks are errored Background Number of errored blocks except blocks block errors during severely errored seconds and unavailable time The block size depends on the used line rate Unavailability Ratio of unavailability time to the total time time ratio during the last 15 minutes or 24 hours DNO02110174 Nokia Corporation 45 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 7 4 1 7 4 2 7 4 3 7 5 46 96 Table 8 Statistics values via Q1 Continued Abbreviation Description and or ratio Errored seconds Ratio of errored seconds to the total of ratio seconds in the available time during the last 15 minutes or 24 hours Severely errored Ratio of severely errored seconds to the total seconds ratio of seconds in the available time during the last 15 minutes or 24 hours Background Ratio of background block errors to the total of block error ratio blocks during the last 15 minutes or 24 hours except blocks during severely errored blocks and unavailable time System counters via Q1 Number of CPU resets and the time passed since the last reset Tx level Transmission level is from 7 5 dBm to 14 5 dBm I
39. cs and error counters Read the statistics and error counters after the BER test Noise margins Rx and Tx line levels and attenuations Q1 7 1 4 Establish a link between two units After the line is up check the noise margin Rx and Tx levels and the line attenuation from the Measurements menu Line voltage Q1 7 5 You can measure the voltage in the line of the remote powered equipment The start up voltage of the remote powered power supply is 90 V and the minimum voltage to keep the power supply functional is 50 V Bit error rate test In some cases it is advisable to perform a five minute bit error rate BER test You do not need to test all line terminals For the test you need an external test equipment After the tests Check that all alarms have disappeared and the statistics are still correct DNO02110174 Nokia Corporation 35 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 6 8 36 96 Monitoring a line Tx level Line 1 or 2 xx dBm xXx 7 5 to 14 5 dBm Rx level Line 1 or 2 xx dBm xx 14 5 to 26 dBm Noise margin Noise margin Line 1 or 2 xx dB xx 0 to 15 dB 15 1 dB expected BER lt 10 0 dB expected BER 10 Attenuation Line 1 or 2 xx dB xx 0 to 41 dB Note Impulse noise is not taken into account when measuring the noise margin Monitoring port statistics You can check correctness of the signal both at the port and a
40. e in the receive direction of the SHDSL line has been exceeded or is approaching 10 The value is an approximation Far end alarm 1 BOh A Power off condition indication of the remote SHDSL unit has been received through the PS bits of the SHDSL line s frame structure For some reason the remote unit has been disconnected from the mains voltage Loop to interface 15h A loopback towards the SHDSL interface has been activated in the unit by using the Q1 menus Unbalance in remote power supply 04h A failure situation noticed in the remote power supply for example overcurrent 7 4 Checking measurements and statistics Measurements and statistics to be checked through the Q1 measurements cover various quality parameters line and error counters 44 96 Nokia Corporation DNO02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Maintenance The parameters that can be viewed through the Q1 menus Measurements main menu branch 7 and Statistics main menu branch 8 are listed below ACL measurements via Q1 menus Noise margin Rx level Tx level Line attenuation e Line voltage remote powered ACL statistics via Q1 menus Signal qualities of the selected 15 minute periods max 100 periods and 24 hour periods max 30 periods and since the last reset according to Rec G 826 are indicated by the quality parameters in Table 8 Table 8 Statistics values via Q1 Information Abbreviation Des
41. ed to the documentary correction of errors NOKIA WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS DOCUMENTATION OR FOR ANY DAMAGES INCIDENTAL OR CONSEQUENTIAL INCLUDING MONETARY LOSSES that might arise from the use of this documentation or the information in it This documentation and the product it describes are considered protected by copyright according to the applicable laws NOKIA logo is a registered trademark of Nokia Corporation Other product names mentioned in this documentation may be trademarks of their respective companies and they are mentioned for identification purposes only Copyright Nokia Corporation 2002 All rights reserved DYNANET is a trademark of Nokia Networks Oy The following products comply with the protection requirements of the European Union Council Directive 89 336 EEC relating to electromagnetic compatibility EMC provided that installed using EMC compatible installation practices installation in mechanical housings stated to be EMC compatible and using cabling material at least as well shielded and practices as stated in relevant Nokia Networks user manuals Product code T65570 01 ACL2i Rack mounted PF Product name Release T65580 01 ACL2i Rack mounted 110 V 90 mA remote feed T65590 01 ACL2i Rack mounted remote power Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Contents DNO2110174 Issue 1 0 en Contents 3 Su
42. epeater in the line or power needs to be fed to the far end equipment you have to check the remote power feed Line interface Q1 6 3 3 Line interface settings determine the line SHDSL mode connection speed and use of wires Typically ACL2i is configured as STU C in which case you have to define the line rate also If the configuration is STU R the equipment operates in the Rate Adaptive mode and it automatically adapts the requested fixed line rate to STU C Power backoff Q1 6 3 6 Select this option to enable or disable transmit power reduction on short loops Line alarms Q1 6 3 8 and 6 3 9 The BER alarm limit and alarm severity have to be checked 6 5 2M data interface settings 2M data interface settings Q1 6 4 1 and 6 4 2 Check that the 2M data interface settings are compatible with the equipment they are connected to Note that in the Q1 menus 2M data interface is referred to as a port interface Port alarms Q1 6 4 8 and 6 4 9 You have to check the BER alarm limit and alarm severity 34 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Commissioning 6 6 Protection settings Password Q1 10 1 10 2 and 10 4 ACL2i settings can be protected with a password or PIN signal 6 7 Measurements After all the settings have been checked we recommend that you carry out a line quality and a BER test Note Before starting the BER test reset all statisti
43. es required by these structures are used 90 96 Nokia Corporation Nokia Proprietary and Confidential DNO2110174 Issue 1 Oen NOKIA Technical specifications Electromagnetic compatibility EN 300386 2000 EMC Telecommunications equipment EN 55024 1998 Immunity Terminal equipment EN 55022 1998 Class B Emission Information technology equipment ETS 300 386 1 EMC Telecommunications equipment normal priority of service 9 7 3 Safety and protection Concerning protection and safety ACL2i follows the requirements and specifications listed below Safety and protection DC Power Dielectric strength 500 Vams supply Surge protection 1 kV according to EN 61000 4 5 Line interface Safety EN 60950 Surge protection 1 5 kV according to ITU T Rec K 21 K 20 50 Hz common mode 600 Vams common mode according to test ITU T Rec K 21 K 20 DNO02110174 Nokia Corporation 91 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 92 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Glossary Abbreviations AC ACL2i ACL2i pf ACL2i rp ACM2 AIS BBE BBER BER CPU CRC DB2 DC DNT2Mi DNT2Mi rp mp DSL DTE EMC EOC EPSA DNO2110174 Issue 1 0 en Alternating current 2 Mbit s line terminal at the exchange side Power feeding version of the 2 Mbit s line terminal at the exchange side Remote powered version of the
44. et Local PIN required 10 4 2 3 Having chosen this option the next time you want to establish a connection to the equipment and change settings or execute controls you will have to use the PIN signal The option requires that a password has been set New password 10 4 3 This option allows you to set a new password required for changing the equipment s settings Nokia Corporation 79 96 Nokia Proprietary and Confidential NOKIA User Manual 80 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Technical specifications 9 1 9 2 9 2 1 DNO2110174 Issue 1 0 en Technical specifications This chapter describes the technical specifications and characteristics of the ACL2i line terminal Dimensions The unit is constructed on a EURO 2 size PCB Its dimensions are shown in the table below Unit dimensions Heigth Width Depth Weight Power supply Local power supply ACL2i ACL2i gets the operating voltage from a unit that handles the filtering hold up time and overvoltage protection Nokia Corporation 81 96 Nokia Proprietary and Confidential NOKIA User Manual Local power supply Incoming battery voltage 39 to 75 V Input current when battery voltage lt 16 V Power consumption 5 3 W 4 w line rate n 32 4 3 W 2 w line rate n 32 9 2 2 Local power supply and remote power feed ACL2i pf ACL2i pf can provide remote power feed to a
45. etary and Confidential Issue 1 Oen NOKIA Maintenance Table 5 Equipment faults SBO Supervision Block 0 Fault condition Fault TMC ST Rack LED code h alarm alarm A red Loss of remote power supply A Test mode self test 17 yel Fault in equipment 80 yel Local alarm cancel 1 93 yel 7c 1 Sync fault in clock recovery yel Temperature error 9 yel 1 With without alarms present 2 Fault category and corresponding signals selected through settings Q1 menu item 6 3 8 6 3 9 This alarm can be disabled Table 6 2M data interface faults SB1 Fault condition Fault TMC ST Rack LED code h alarm alarm Loss of incoming 2M signal 32 Loss of frame alignment 51 B yel CRC multiframe alignment lost BER gt 1E 3 2 BER gt 1E 6 2 AIS 2M Far end alarm TO A bit b3 yel Loop to interface 15 yel 2 Fault category and corresponding signals selected through settings Q1 menu item 6 3 8 6 3 9 This alarm can be disabled DNO02110174 Nokia Corporation 41 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Table 7 Line interface faults SB2 Fault condition Fault TMC ST Rack code h alarm alarm Loss of incoming signal CE Loss of frame alignment BER gt 1E 3 2 BER gt 1E 6 Far end alarm 1 Loop to interface Unbalance in remote power supply 2 Fault category and corresponding signals selected through settings Q1
46. f the power backoff function is set ON the transmission level 13 5 or 14 5 dBm is reduced by one to six dB on short line lengths if necessary Rx level Received level can vary between 14 5 dBm and 26 dBm depending on the line length and the transmission level of the opposite end Line attenuation Line attenuation can be from 0 dB to 41 dB Its value depends on the line length and cable characteristics Testing ACL2i can be tested through a self test and test loops The self test is initiated through the Testing menu Q1 menu 9 and test loops are initiated through the Controls menu Q1 menu 5 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Maintenance 7 5 1 Self test This test is used to check the operation of the unit It is an extensive internal test that covers most of the equipment excluding the DTE and line interfaces During the test the unit can not be reached by a manager unit The test also inhibits normal data transfer during it The red and yellow LEDs are lit during the test To activate the self test use the Q1 menu option 9 2 7 5 2 Test loops Test loops include a port interface loopback and a line interface loopback Loopbacks are set into operation via the management interface To activate the test loops use the Q1 menu option 5 2 2 or 5 3 2 The loops are deactivated after a fixed monitoring time Q1 menu option 6 1 7 The loops can also be deactivated with
47. ing Loop ACL2i rp DNT2Mi sp amp DNT2Mi mp amp resis G 703 3xV 35 tance ohm km 6 0 km 0 5 pa fae 5 8km 34km 5 8km 0 9km 35km 6 5km 8 4 km 4 9 km 8 4 km 1 3km 5 1 km 8 0 km 15 0 km 8 7 km 15 0km 2 3 km 9 0km 10 0 km 16 5 km Table 11 Maximum cable lengths when using the 145 V remote power supply ACL2i pf 145 V n 32 to Max reach without remote power feeding ACL2i rp DNT2Mi sp amp G 703 DNT2Mi mp amp 3xV 35 10 0km 16 5 km 10 0 km 4 0km 15 8km 10 0km 16 5 km 74 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Using Q1 menus BER alarm limit 6 3 8 The bit error rate BER alarm limit can be either 10 E 3 or 10 E 6 BER alarm severity 6 3 9 The severity of the line BER alarm can be viewed and changed through this menu 8 5 4 Port settings 6 4 DNO2110174 Issue 1 0 en Option 0 Display shows all the port configuration settings in a similar way as the Display 6 0 option does Framing format 6 4 1 The use of the G 704 framing can be selected or its use can be prevented using this menu see Figure 23 The selections are No frame Basic frame CRC multiframe BF monitoring CRC monitoring Note Collection of statistics data is not possible in the No frame mode Sa bits usage 6 4 2 With the Sa bits usage option you can set the national bit
48. ive new address 0 Display 1 Modify 0 to 4094 6 1 4 Q1 speed DI 0 Display Set speed 600 9600 6 1 5 6 1 6 PA1 PA2 function 0 Display 1 N lt rN n 8 Temperature alarm 9 Line BER 10 Port BER DADA MAO pa PE er ce ce ce ce 7 8 7 7 A B S 1 1 1 UN O Figure 20 Settings menu structure 54 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA 6 1 7 Test time out 0 Display 1 to 64999 min 65000 no limit 6 1 8 Data hybrid 0 Display 1 On 2 Off 6 1 9 Int Q1 bus 0 Display 1 Master 2 Slave 3 Off 6 1 10 LMI master 0 Display 1 On 2 Off 6 1 11 Q1 via line 0 Display 1 On 2 Off 6 1 12 Temperature alarm limit 0 Display 140C 2 50C 3 60C 470C 6 1 13 0 Display 1 No alarm 2 A level alarm 3 B level alarm Temperature alarm severity 6 2 Timing source 0 Display 1 Internal 2 Line y 3 Port 6 3 64 4 Transparent 67 5 External Figure 21 Settings menu structure continued DN02110174 Nokia Corporation Issue 1 0 en Nokia Proprietary and Confidential Using Q1 menus 55 96 NOKIA 56 96 6 3 Line settings 0 Display 2 Remote power feed 3 Line interface 6 Power backoff 8 BER alarm limit 9 BER alarm severity 6 3 2 Remote power feed 0 Display 1 ON 2 OFF 6 3
49. mand is used in conjunction with the INT Q1 bus selection When the hybrid is ON data from and to the SI channel is connected to the DI data channel The ON state enables also the use of the backplane Q1 bus off master slave DNO02110174 Nokia Corporation 65 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Int Q1 bus 6 1 9 ACL2i can be configured to be a bus master or a bus slave in relation to the rack s Q1 management bus LMI master 6 1 10 You can set a V 28 type interface as the only local management interface by setting the LMI master ON Q1 via line 6 1 11 If the Q1 via line option is in On state ACL2i can send management data to the other end of the SHDSL line It is possible to use all Q1 speeds from 600 to 9600 bit s Temperature alarm limit 6 1 12 This menu allows you to set a limit for the temperature exceeding of which causes an alarm to be given The temperature sensor is located in the upper right corner on the PCB and its accuracy is 5 C Temperature alarm severity 6 1 13 With this menu you can define the severity of the alarm which is given in the case of exceeding the set temperature limit The options are No alarm 6 1 13 1 A alarm 6 1 13 2 B alarm 6 1 13 3 8 5 2 Timing source 6 2 66 96 This option allows you to select the source of the main clock for the whole data transmission The ACL2i AC12i timing is shown in Figure 28
50. ment or a system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anything in that environment Nokia s system for controlling and monitoring the resources of a telecommunications network and for recording their use and performance in order to provide telecommunications services Nokia Corporation 95 96 Nokia Proprietary and Confidential NOKIA product code Service Terminal Service Terminal Emulator STE 96 96 User Manual A code for identifying plug in units programs equipment and other sales items A hand held terminal with menu based functions used for commissioning maintenance and operating purposes such as reading status and alarm data on network elements and configuring operation modes and internal settings of the equipment An NMS application allowing the user to communicate directly with the Nokia PDH network elements Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen
51. mmary of changes 5 About this manual 7 Introduction 9 Power supply 9 Management 10 Applications 11 Construction and interfaces 13 Mechanical construction 13 Interfaces 14 2M data interface 14 Line interface 14 Alarm interface 14 Management interface 14 External clock interface 15 Power supply 15 Battery voltage 15 ACL2i local power supply 16 ACL2i pf remote power feed 16 ACL2i rp remote powered 16 Installation 17 General 17 Electromagnetic compatibility 18 Connectors and pin numbering 18 Subrack connector P4 3 x 32 Euro Male 20 Signal connector P2 2 x 32 Euro Male 21 Service connector P1 3 x 7 1 4 Euro Male 22 Local management connector J4 9 pin D connector Female 23 Strappings 23 Connecting remote power lines 24 Commissioning 27 Automatic power up test 27 Management 28 Timing source 33 Line settings 34 2M data interface settings 34 Protection settings 35 Measurements 35 Factory values 36 Maintenance 39 Nokia Corporation 3 96 Nokia Proprietary and Confidential User Manual Line status LED 39 Service LEDs 40 Alarms 40 Equipment faults 42 2M data interface faults 43 Line interface faults 44 Checking measurements and statistics 44 Tx level 46 Rx level 46 Line attenuation 46 Testing 46 Self test 47 Test loops 47 Using Q1 menus 49 General 49 Menu diagrams 51 ACL identifications 4 61 ACL controls 5 63 ACL settings 6 64 Service options 6 1 65 Timing
52. n pin cl PIN of the service connector P1 has to be grounded for instance to pin b1 This method allows you to change the settings during the time defined through the 10 4 1 menu option PIN signal can always be used even if a password were in use or if it were forgotten Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA DNO2110174 Issue 1 0 en Using Q1 menus Cancel privileges 10 3 Privileges are in effect during the entire monitoring time if they are not cancelled with this command Cancellation takes place for example when work on the unit has been finished Setting parameters 10 4 The setting parameters are permanent They are explained below Password timeout 10 4 1 The privileges obtained with the password or PIN signal are in effect for the set monitoring time A time period of 1 to 1000 minutes can be selected The factory setting is 10 minutes Protections 10 4 2 Through this menu you can set the protection state of the equipment The factory setting is No protections No protections 10 4 2 1 This operation removes the password This means that no password or PIN signal connection is required for making control settings Password required 10 4 2 2 Having chosen this option the next time you want to establish a connection to the equipment and change settings or execute controls you will have to use the password The option requires that a password has been s
53. nt returns to normal operational state You can display the possible errors found during the test using the Service Terminal or Macro STE You can then find more detailed information on the fault in the Self test menu The test ends automatically if no fatal errors were found 6 2 Management ACL2i can be managed through the line connection or local management The following items need to be checked Q1 transmission speed Q1 6 1 1 and 6 1 4 The Q1 transmission speed needs to be set to match the system management speed Q1 address Q1 6 1 2 The equipment needs a Q1 address to be visible in the NMS systems You must give a unique address to each equipment You can also enter a name for the equipment by using the command 4 7 2 1 Q1 management path Q1 6 1 8 11 Routing of the management must be defined to correspond with the system The following menu setting alternatives are available Data hybrid 6 1 8 Int Q1 bus 6 1 9 LMI master 6 1 10 Q1 via line 6 1 11 Q1 rates 600 1200 2400 4800 and 9600 bit s are supported 28 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Commissioning Local Speed DI Q1 speed Hybrid off Q1 via line on LMI off Q1 bus master slave off Figure 8 Example of Q1 routing In this example management of the equipment is performed through the service interface SI The speed of the loc
54. ode 250 V transversal mode DNO2110174 Issue 1 Oen NOKIA Technical specifications 9 4 2 Line interface Line interface 192 kbit s to 2048 kbit s n x 64 kbit s Connector 2 x 32 Euro connector male Line type 2 wire or 4 wire Nominal impedance 135 ohms Line code TC PAM Tx power 0 dB power backoff 13 5 dBm 135 ohm 192 to 1984 kbit s 14 5 dBm 135 ohm 2048 kbit s Signal bandwidth 0 300 kHz 2048 kbit s 2 w 3 dB 9 4 3 Alarm interface Programmable Inputs Outputs These signals are located on the Management Interface connector PA1 PA2 programmable outputs Active state Earth closure lt 5 mA Upg lt 2 V Passive state No earth closure lt 50 uA 75V lt Upc lt 12V 5 V 750 ohm ONT OS From uP Upc PA1 PA2 Figure 35 PA1 and PA2 circuitry DN02110174 Nokia Corporation 85 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Subrack alarms AA AB AD Open collector alarms backplane 5 V 100 ohm U DC From uP T AA AB AD Figure 36 Alarm output circuitry Nr OP PIN input Active state Ground Passive state N J10 kohm T nr o oa lt PIN ZA 100 ohm as O To uP Figure 37 PIN input circuitry 9 4 4 Management interface A QI interface V 11 on the front edge for the Service Terminal 1 4 Euro connector V 11 RS 4
55. om the line interface see Timing Source 6 2 2 internal clock is used during the port looped state which causes a synchronisation fault to be shown by the Fault display see section 7 3 Nokia Corporation 63 96 Nokia Proprietary and Confidential NOKIA 8 5 64 96 ACL settings 6 This alternative displays the main level of the Settings menu Display 6 0 Provides a list of states of all the settings under item 6 Local speed SI 4800 Q1 address 1 Q1 speed DI 4800 Control timeout 10 min Timing source Transparent Line interface PSD symmetric 2 wire Line rate n 32 2048k STU C Power backoff On RPF Off Port No frame National bits 11111 PA1 A B S PA2 D Data hybrid Off Int Q1 bus Off LMI master Off Q1 via line Off Temperature alarm Limit 70C Severity No alarm Port BER alarm Limit E 3 Severity B level Line BER alarm Limit E 3 Severity B level The states of the settings in the display above are factory settings Nokia Corporation Nokia Proprietary and Confidential User Manual DNO2110174 Issue 1 Oen NOKIA Using Q1 menus 8 5 1 Service options 6 1 The options are listed in the menu under branch 6 1 Local speed 6 1 1 This alternative is used for setting the management data rate between ACL2i and the management equipment connected to the SI port The speeds 600 1200 2400 4800 and 9600 bit s can be selected The factory default is 48
56. play refer to Section 7 4 The format of the display is as follows 15 min signal quality Period 1 0d 0h 21 min UATR Rx XX ESR Rx XX SESR Rx XX BBER Rx XX UATR TX XX ESR Tx XX SESR Tx XX You can view the values of the statistic parameters monitored since the last reset See the example below DN02110174 Nokia Corporation 77 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Since last reset TT OdOh26minis UAT Rx XX ES Rx XX SES Rx XX BBE Rx XX UAT Tx XX ES Tx XX SES Tx XX You can clear all statistic parameters 8 8 Testing 9 Result of last ST 9 1 This menu item allows you to read the result of the last self test run in the unit Start self test 9 2 By using this menu option you can activate an extensive internal test in the unit to check its operation Note The self test inhibits normal data transfer and management during it The test takes about 20 seconds 8 9 ACL privileges 10 78 96 Password for privileges 10 1 When you know the password and you want to change protected functions you can remove protection for a set time this time is defined using the 10 4 1 menu option through this menu The password is a max 7 character code for example abc123 lt RET gt The password set at the factory is ACL2i PIN for privileges 10 2 When the PIN signal 10 4 2 3 is used for removing protectio
57. rporation 21 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 5 3 3 Service connector P1 3 x 7 1 4 Euro Male Table 3 Pins of service connector P1 Euroconnector Pins of the service connector as seen from the front of the ACL2i unit Explanation Pin a Service interface asynchronous V 11 RS 485 Q1U IN Pin b Termination of service interface Pin c Service interface asynchronous V 11 RS 485 Q1U OUT Pin a Service interface asynchronous V 11 RS 485 Q1U IN Pin c Service interface asynchronous V 11 RS 485 Q1U OUT Pin a Data interface asynchronous V 11 RS 485 IN Pin b Termination of data interface Pin c Data interface asynchronous V 11 RS 485 OUT Pin a Data interface asynchronous V 11 RS 485 IN Pin c Data interface asynchronous V 11 RS 485 OUT 2 PA1 PA2 Two programmable alarm outputs OUT E M level PIN Pin b Ground Pin c PIN signal 22 96 Nokia Corporation DNO02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Installation 5 3 4 Local management connector J4 9 pin D connector Female Table 4 Pins of local management connector J4 9 pole female Pins of the local management connector D connector as seen from the front of the ACL2i unit 109 constantly ON OUT 104 OUT 103 IN 108 IN 107 constantly ON OUT RTS 105 not in use IN RFS CTS 106 OUT RI
58. s product code 88 96 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Technical specifications manufacturing deta TMU TTT e maaca gt Uificint I T65580 01 A0 WATT 6102121 E 2481 165560 0 wiy Figure 40 Example of ACL2i identification sticker 9 7 Ambient conditions 9 7 1 Environmental and mechanical requirements The climatic and mechanical requirements of ACL2i comply with the following ETSI specifications Environmental and mechanical requirements Transportation ETSI ETS 300 019 2 2 class 2 3 Storage ETSI ETS 300 019 2 1 class 1 2 Operation ETSI ETS 300 019 2 3 class 3 2 Figure 41 describes in more detail the recommended conditions for the use of the device DNO2110174 Nokia Corporation 89 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual Air temp C 60 50 40 30 O 10 20 30 40 50 60 70 80 90 100 Absolute humidity g m 1 0 5 Relative humidity Operating conditions Storage conditions Figure 41 ACL2i climatogram Mean time between failure MTBF gt 70 years 9 7 2 Electromagnetic compatibility Electromagnetic compatibility EMC of ACL2i complies with the following specifications provided that special EMC structures for instance DY NANET EMC subrack TM4 EMC cartridge and shielded cables and cabling practic
59. subrack Unit address IN number of unit location in subrack Pin c Unit address IN number of unit location in subrack Pin a Rack alarm A OUT Pin c Unit address IN number of unit location in subrack Pin a Rack alarm B OUT Pin c Unit address IN number of unit location in subrack Pin a Rack alarm D OUT External auxiliary voltage 5 V IN Ground Not in use VNB VNB Negative battery voltage IN VPB VPB Positive battery voltage IN OVG OVG Overvoltage ground 20 96 Nokia Corporation DNO2110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Installation 5 3 2 Signal connector P2 2 x 32 Euro Male Table 2 Pins of signal connector P2 Euroconnector Pins of the signal connector as seen from the front of the E unit Explanation Not in use G 703 pair cable ground Input G 703 interface 120 ohm IN Input G 703 interface 120 ohm IN G 703 pair cable ground Output G 703 interface 120 ohm OUT Output G 703 interface 120 ohm OUT Not in use Pin a Reserved for testing purposes at the factory LINE_1A SHDSL pair 1 Connection point of line cable ground 6 Not in use 5 LINE_1B SHDSL pair 1 LINE_2A SHDSL pair 2 not in use in one pair connection Not in use LINE_2B SHDSL pair 2 not in use in one pair connection DN02110174 Nokia Co
60. t in the rack The Equipment name and Equipment location can be modified by typing in an ASCII string of 15 characters max The installation date is given in the following format YY YY MM DD 8 4 ACL controls 5 Test loops of the ACL2i terminal can be activated through this menu The controls available have the following common features They have a default value which is overridden or restored through this menu The default value is automatically restored after a given timeout which can be set through the Settings 6 submenu The default value is restored 6 1 7 if power is removed from the unit Each interface can be separately set for the normal or loopback operation see Figures 15 and 16 The Display option shows the state of the control operation Having selected the 5 2 Port test loop option you will find a submenu that specifies the control function Loop to Port Having selected the 5 3 Line test loop option you will find a submenu that specifies the control function Loop to Line The ACL controls menu has also the 5 4 Self test submenu which shows the result of the last self test and enables activation of a self test The result of the self test can be read after the unit has performed the whole test The test takes about 20 seconds a Caution DNO2110174 Issue 1 0 en Activation of a self test cuts the management and the data connection Note If the main system clock is generated fr
61. t the line connection by using the Statistics menu Signal quality Signal quality monitored during 1 period of 15 minutes to Last 15 min max 100 successive periods of 15 minutes Q1 menus give you absolute and relative values Signal quality Signal quality monitored during 1 period of 24 hours to Last 24 hours max 30 successive periods of 24 hours Q1 menus give you absolute and relative values Factory values The following default values can be recalled from the Q1 menu path 6 7 Note Recalling of factory settings can take up to 30 seconds Nokia Corporation DNO02110174 Nokia Proprietary and Confidential Issue 1 Oen NOKIA Commissioning Global parameters Timing source Transparent Q1 address 1 Q1 management Data hydrid off INT Q1 bus off LMI master off Q1 via line off Control and test loop limit 10 minutes Temperature alarm limit and 70 C and severity no alarm severity Local management speed 4800 bit s Q1 speed 4800 bit s Q1 password for settings No protection password ACL2i Equipment name ACL2i Line parameters Line interface STU C 2 wire line rate 2048 kbit s Power backoff ON Power feeding OFF Bit error alarm limit and severity 10 and severity B Port parameters G 704 2M Framing format No frame Sa bit usage Sa4 to Sa8 set to 1 BER alarm limit and severity 10 and severity B DNO02110174 Nokia Corporation 37 96 Issue 1 0 en
62. the Q1 menu option 5 2 1 and 5 3 1 2M data interface loopback By using the 5 2 2 menu option you can connect the regenerated interface signal from the 2M data interface back to the 2M data interface as an outgoing signal This loopback can be used for instance for examining the data signal cabling When the loopback is active AIS is sent to the line via the line interface It is a sign to other parts of the transmission system that the unit is in an abnormal state 2Min Line 1 2M data Miner interface al Line 2 interface 2M out Figure 15 2M data interface loopback Line interface loopback The regenerated interface signal from the line interface is connected back to the line interface as an outgoing signal The line loopback is used for examining the line interface and the line The loopback is executed according to a control coming via the service interface When the line loopback is active AIS is sent to the 2M data interface DNO02110174 Nokia Corporation 47 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual 2M in AIS lt Line 1 oscil 4 SHDSL m Pii lator line interlace J m interface 2M out gt mee Figure 16 Line interface loopback 48 96 Nokia Corporation Nokia Proprietary and Confidential DNO2110174 Issue 1 Oen NOKIA Using Q1 menus 8 Using Q1 menus This chapter describes the Q1 menu system of the ACL2i line terminal
63. ue 1 Oen NOKIA Commissioning 6 Commissioning This chapter describes the most common items that need to be checked before ACL2i is taken into use ACL2i is ready to operate after the power supply from the subrack battery or remote power and the 2M data interface and line cables are connected However the identifications and settings should be checked and if required the statistics and error counters reset ACL2i can be configured tested and controlled via Service Terminal using Q1 Macro Service Terminal Emulator running on a PC using Q1 Other Nokia management products such as Nokia NMS can be used for the same purpose Note It can take up to 30 seconds to save the altered settings If the power is switched off during this time new settings will be lost During the saving process you can use the equipment normally 6 1 Automatic power up test When the power is switched on the unit performs an automatic self test which is used to check the most vital operational functions of the equipment During the power up test the LEDs are lit in the following sequence All the LEDs are lit for five seconds The red and yellow LEDs are lit for 20 seconds the green LED is off All the LEDs are off for one second DN02110174 Nokia Corporation 27 96 Issue 1 0 en Nokia Proprietary and Confidential NOKIA User Manual After this the self test and initialisation have been completed and the equipme
64. you to check the identification information of the ACL2i line terminal You can display every identification separately or all identications by using the 4 0 Display menu option An example of identification display Nokia Corporation 61 96 Nokia Proprietary and Confidential DNO2110174 Issue 1 0 en NOKIA 62 96 User Manual Equipment type ACL2i pf T65580 Equipment name D 206 Equipment location Location UNIT 21 Installation date First 2002 08 01 Last 2002 11 25 HW E65581 01 A SW 65572 01 AO You can also display separately every identification needed for identifying the equipment These identifications are Type of the ACL2i terminal 4 1 HW and SW version 4 5 and 4 6 Name of the equipment installation location 4 2 4 3 You can modify the name by using the 4 7 menu option Date of the first installation When you give the date for the first time 4 4 it will be saved as the first and the last installation date An example Installation date First 2002 07 25 Last 2002 07 25 Next installation dates are allways saved as the last installation date An example Installation date First 2002 07 25 Last 2002 12 01 Nokia Corporation DN02110174 Nokia Proprietary and Confidential Issue 1 0 en NOKIA Using Q1 menus The location of the equipment consists of a user provided ID and a hardware provided unit number that indicates the position of the uni

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