ADTRAN 3000 HTU-C User's Manual
Contents
1. Total Access 3000 3010 HTU C P N 1181107L1 CLEI T113AAEA_ _ E Ds psi2 nsnsi ALM 2 omia ek a i woust DNLH CAUTION SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY HANDLING PRECAUTIONS REQUIRED 2007 ADTRAN Inc All Rights Reserved Total Access 3000 3010 HTU C DESCRIPTION The Total Access 3000 3010 High bit rate Digital Subscriber Line ADSL Transceiver Unit for Central Office HTU C P N 1181107L1 is used to deploy an HDSL T1 circuit using 4 wire metallic facilities The HTU C works with multiple list versions of the HDSL Unit Remote end HTU R and HDSL Range Extenders HRE MENU ITEMS ACCESSIBLE VIA THE SCU Local or remote craft port access to the Total Access 3000 HTU C can be provisioned and tested through the System Controller Unit SCU When deployed with SCU 1181015L1 or 1181017L1 the HTU C can be provisioned via the SCU s faceplate Four Character Display Refer to the Total Access 3000 System Controller Unit SCU Installation and Maintenance Practice P N 61181017L1 5 for additional information Connect a terminal emulator via the RS 232 DB 9 connector on the faceplate of the SCU The terminal must be VT100 or compatible and defaulted to 9600 bps 8 bit no parity 1 stop bit At the LOGON screen enter the system User Name and Password Refer to the appropriate SCU Job Aid for the default PASSWORD Access the desired HRTU C by selecting the ACCE2. 00000 lt BPV gt 00000 00000 lt ES gt 00000 00000 lt SES gt 00000 00000 lt Uas gt 00000 None lt Alarms gt None Enter Command _ Z zero regs X restart MIN MAX Help Screen The following are indications that a problem can exist with HTU C or signal quality Is LOSS pulse attenuation gt 30 dB Are there any errors counting on the ES SES or UAS registers Is the signal quality fluctuating graphical meter indicators bouncing up and down This would occur when real time mode is active Ifthe signal quality is not fluctuating is it unequal between the loops Is the current signal quality indication uppermost X on the meter more than 1 dB below the maximum If these conditions are not present the circuit should provide quality service If any of these conditions exist a cable problem or excessive signal loss is probable and more testing should be done These conditions can also reflect intermittent cable faults or excessive noise impairments If intermittent faults or noise impairment are suspected select the Performance Monitoring option from the HDSL Main Menu and review the historical performance data on the Performance Monitoring Screen Circuit Parameters Under normal operations the following conditions apply LOSS lt 30 dB Signal margin of 3 dB or higher no fluctuation and equal on both loops All HDSL Deployment Guidelines are met OPERATIONAL SPEC
3. Description DSL1 O Off No synchronization of HTU C and HTU R on either loop DSL2 Green Good signal quality 4 to 9 on Loops 1 and 2 Yellow Signal quality marginal 1 to 3 on Loops 1 and 2 Red Signal quality poor 0 on Loops 1 and 2 x Flashing Error detected at HTU C or HTU R The color of the LED when flashing indicates loop signal quality DSX DS1 O Off Network side DSX 1 signal not detected or of a format that does not match provisioning of HDSL circuit Network side DSX 1 signal is present and synchronized with the HTU C s interface Bipolar Violation BVPV frame bit error SF mode or CRC error ESF mode detected at DSX 1 signal Green Green Flashing ALM O Off No alarm condition detected Yellow Remote alarm condition HTU C detected Red Alarm condition detected either locally HTU C or locally and remotely HTU C and HTU R ESF SF O Off Unit is receiving Unframed data Green Unit is receiving SF data Yellow Unit is receiving ESF data B8ZS AMI Green Unit is receiving AMI coding Yellow Unit is receiving B8ZS coding LBK O Off Unit is not in loopback or armed state Yellow Local HTU C loopback is active to the network Yellow Flashing Loopback arming sequence has been detected unit is armed ready for loopback but not in loopback HDSL DEPLOYMENT GUIDE The HDSL system is designed to provide DS 1 based service over loops as follows Cable pairs must be non loaded No
4. MUX DSX Card Service State In Service Out of Service Unassigned Out of Service Maintenance Enabled Disabled Out of Service Unassigned DSX1 DS1 External Alarm Disabled Note The above provisioning options are based on 7th Generation HTU R 1247024L1 or 1247026L1 Option settings for previous HTU Rs 1246026L4 and or 1246026L6 that are either not supported by the HTU R or are hardware options and cannot be provisioned from the HTU C menu will display a asterisk and options that follow will be renumbered sequentially FRONT PANEL BANTAM JACK TEST ACCESS The BERT tester should be in Monitor mode for nonintrusive tests and Terminate mode for intrusive tests Use the Provisioning screen to configure the HTU C for DSX or MUX fed network source Use the Test screen to configure EQ jacks for Customer or Network direction The Network direction is only available when the HTU C is MUX fed The BERT TX is only used in intrusive tests Refer to the Total Access 3000 3010 HTU C Installation and Maintenance Practice P N 61181107L1 5 for more detailed information Nonintrusive DSX to Customer Connect HTU C TX MON to BERT RX Allows access to DSX signal going to Customer Nonintrusive DSX from Customer Connect HTU C RX MON to BERT RX Allows access to DSX signal coming from the Customer Intrusive DSX to Customer Connect HTU C TX EX to BERT TX and HTU C RX EQ to BERT RX Allows access to signal going to Customer Nonintrusiv
5. single bridged tap gt 2 kft 0 61 meters Impulse noises lt 50 dB as measured using a 50 kB filter Wideband noise lt 31 dBrn as measured using a 50 kB filter Pulse attenuation LOSS on HDSL current system status screen lt 30 dB Total bridged tap lt 2 5 kft 0 76 meters 196 kHz insertion loss lt 35 dB Maximum loop resistance is 800 ohms OPTION SETTINGS The table on the following page lists options that are available when configuring the HTU C However some options are pre set and dependent upon the System Controller Unit SCU being used Refer the appropriate SCU Installation and Maintenance Practice when setting options For more information refer to the Installation and Maintenance Practice P N 61181107L1 5 available online at www adtran com Total Access 3000 3010 HTU C PRICING AND AVAILABILITY 800 827 0807 TECH SUPPORT 800 726 8663 RETURN FOR REPAIR 256 963 8722 www adtran com 61181107L1 22A Description Settings Default DSX 1 Line Buildout in feet 0 133 133 266 266 399 399 533 533 655 0 133 Line Code AMI B8ZS B8ZS Framing Unframed SF ESF Auto Forced Conversion Auto NIU Loopback Enabled Disabled Enabled New England 1 6 Loopback Enabled Disabled Disabled Loopback Timeout None 60 Min 120 Min None Customer Loss Response Loopback AIS CDI AIS PRM Mode None NPRM SPRM None DS1 Tx Level 0 15 dB 0 dB Span Power Enabled Disabled Enabled Network Source DSX MUX A MUX B Auto
6. IFICATIONS For a complete list of these specifications refer to the Total Access 3000 3010 HTU C Installation and Maintenance Practice P N 61181107L1 5 for more information COMPLIANCE Refer to the Total Access 3000 3010 HTU C Compliance Notice P N 61181107L1 17 Warranty ADTRAN will replace or repair this product within the warranty period if it does not meet its published specifications or fails while in service Warranty information can be found online at www adtran com warranty
7. SS MODULES from the Total Access Menu and then select the corresponding slot number NOTE When using a PC with terminal software disable any power saving programs BANTAM JACKS EQ This jack provides an intrusive test access point to the data stream as follows Equipment Jack To Customer TX Replaces the data stream being transmitted to the customer HDSL Loops RX Accesses the data stream being received from the customer HDSL Loops Equipment jack To Network TX Replaces the data being transmitted to the Central Office RX Access the data being received from the Central Office When the HTU C is in MUX mode the EQ jack can be configured for To Network or To Customer default setting direction via the Test screen In DSX mode this option is not available and the EQ jack configuration will be Fixed to Customer MON This jack provides nonintrusive tap to monitor characteristics of the DSX signal as follows TX Monitors signal being transmitted to the customer HDSL Loops RX Accesses the data being received from the customer HDSL Loops INSTALLATION AND TURN UP After unpacking the unit inspect it for damage If damage is noted file a claim with the carrier and then contact ADTRAN For more information refer to the warranty NOTE This unit can be provisioned via the RS 232 port or remotely via inband codes To avoid confusion with the access module and common module slots the ac
8. cess module slots start with the fourth slot from the left on the shelf and are numbered 1 through 28 for the Total Access 3000 and 1 through 22 for the Total Access 3010 on the underlying silk screen Attempting to install the HTU C in any other slots other than those listed can damage the module backplane or both To install the HTU C perform the following steps 1 If present remove the blank panel from the access module slot on the rear of the Total Access 3000 3010 chassis that is intended for the HTU C 2 Pull the ejector latch located on the bottom of the HTU C front panel from the closed positions JOBAID 61181107L1 22A 0710 3 Hold the HTU C by the front panel while supporting the bottom edge of the module with the ejector latches opened to engage the chassis edges 4 Align the module edges to fit in the lower and upper guide grooves for the module 5 Slide the HTU C into the access module slot Apply simultaneous thumb pressure at the top and bottom of the module to the right of the ejector latches to ensure that the module is firmly seated against the chassis backplane connector Secure the HTU C in place by rotating the ejector latch into the locked position After installation is complete the HTU C performs a series of initialization and self tests Once the series of self tests are completed the front panel LEDs reflect the true state of the hardware FRONT PANEL LEDS Label Status
9. e MUX to Customer Connect HTU C TX MON to BERT RX Allows access to signal going to Customer Intrusive MUX to Network From the Test screen Option 5 from the HDSL Main Menu verify Equipment Jack Network Connect HTU C TX to BERT TX and HTU C RX EQ to BERYT RX Allows direct access to signal going to and from the Network Intrusive MUX to Customer Verify Equipment Jack To Customer HTU C TX EQ to BERT TX and HTU C RX EQ to BERT RX Allows direct access to signal going to and from the Customer TROUBLESHOOTING Use the Status Screen to view the current condition of the HTU C and signal Shelf 1 Slot 3 Total Access System MM DD YY hh mm ss Unacknowledged Alarms None Unit Number 1 Circuit ID Loop 1 lt Network gt Loop 2 Loop 1 lt Customer gt Loop 2 Sher emes HTU C Network Source gt DSX HTU R 01 01 dB 00 00 dB lt LOSS CUR MAX gt 00 01 dB 01 01 dB Yes Yes lt sync gt Yes Yes 000 00000 000 00000 lt ES 15M 24H gt 000 00000 000 00000 000 00000 000 00000 lt SES 15M 24H gt 000 00000 000 00000 000 00000 000 00000 lt UAS 15M 24H gt 000 00000 000 00000 Loopbacks Inactive Loopbacks Inactive HTU C MARGIN dB DSX 1 DS1 HTU R MARGIN dB CUR MIN MAX CUR MIN MAX ESF lt Frame gt ESF LP1 20 20 20 B8ZS lt Code gt B8ZS LPL 20 20 20 LP2 20 20 20 0 133 lt LBO gt 0 dB LP2 20 20 20 N A lt NIU gt YES
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