ADTRAN T200 Installation And Maintenance Practice
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ADTRAN T200 Installation And Maintenance Practice

ADTRAN T200 Installation And Maintenance Practice

2-wire hdsl remote unit for h2tu-r
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CONTENTS
1.
General................................................................ 1
2.
Installation .......................................................... 3
3.
Connections ........................................................ 4
4.
HDSL2 System Testing ...................................... 5
5.
Provisioning ........................................................ 6
6.
Control Port Operation-HDSL2.......................... 8
7.
HDSL2 Deployment Guidelines....................... 21
8.
Troubleshooting Procedures ............................. 22
9.
Maintenance...................................................... 22
10. Product Specifications ...................................... 22
11. Warranty and Customer Service ....................... 22
Appendix A. HDSL2 Loopbacks ............................ A-1
TABLES
ADTRAN Unit Compatibility ................... 2
Compliance Codes..................................... 2
Front Panel Indications.............................. 4
Card Edge Pin Assignments ...................... 4
Provisioning Options ................................. 7
HDSL2 Loss Values ................................ 21
Troubleshooting Guide............................ 22

1. GENERAL

The ADTRAN 2-Wire T200 HDSL2 Transceiver Unit
for the Remote end (H2TU-R) is a network terminating
unit used to deploy an HDSL2 T1 circuit using 2-wire
metallic facilities.
Figure 1
(P/N 1223024L2) front panel.
Revision History
This is the initial issue of this practice. Future changes
to this documentation will be explained in this section.
Description
The ADTRAN H2TU-R can be deployed in circuits
using one H2TU-C and one H2TU-R.
61223024L2-5A
Installation and Maintenance Practice
illustrates the H2TU-R
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
Figure 1. ADTRAN T200 H2TU-R
The H2TU-R terminates local loop HDSL2 signals
originating from the Central Office (CO) unit and trans-
forms the HDSL2 signal into traditional DS1 signals to
be delivered to the customer.
NOTE
This specific unit is intended for Local Power
Only (-24 to -48 VDC). If a span powered unit
is needed, refer to P/N 1223026L2.
The H2TU-R contains an onboard fuse. If the fuse
opens, all front panel indicators turn off. The fuse is not
designed to be replaced in the field.
Compatibility
This version of the H2TU-R works with multiple list
versions of the HDSL2 transceiver unit for the central
office (H2TU-C) as listed in
Section 61223024L2-5A
Issue 1, December 2003
CLEI Code: T1L7TDHA_ _
H T
UR
1223024L2
LOCAL
DSL
DS1
ALM
ESF/
SF
(YEL)
(GRN)
B8ZS/
AMI
(YEL)
(GRN)
LLB/ RLB
(YEL)
(GRN)
LOC
L
B
K
REM
TX
C
M
U
O
S
N
T
RX
R
S
2
3
2
Table
1.
1

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  • Page 1: Table Of Contents

    Section 61223024L2-5A Issue 1, December 2003 CLEI Code: T1L7TDHA_ _ ADTRAN T200 2-Wire HDSL Remote Unit (H2TU-R) Installation and Maintenance Practice CONTENTS General..............1 Installation ............3 1223024L2 LOCAL Connections ............4 HDSL2 System Testing ........5 Provisioning ............6 Control Port Operation-HDSL2......

  • Page 2: Table 1. Adtran Unit Compatibility

    Compliance Table 1. ADTRAN Unit Compatibility Table 3 shows the compliance codes for the H2TU-R. The T200 H2TU-R is NRTL listed to the applicable UL Unit Number Description standards. The T200 H2TU-R is to be installed in a 122x001L2 220/E220 H2TU-C restricted access location and in a Type “B”...

  • Page 3: Installation

    Warranty and Customer Service section for further Restricted Access Locations only. information. If possible, keep the original shipping container for returning the T200 H2TU-R for repair or for verification of shipping damage. Front Panel Pushbuttons Two loopback (LBK) pushbuttons are accessible from CAUTION the front panel.

  • Page 4: Connections

    Table 5. Front Panel LED Indications Name Indication Description 1223024L2 Green DSL sync, no errors currently detected, and signal margin > 2 dB LOCAL No DSL sync, errors being detected, or signal margin ≤ 2 dB Green DS1 signal is present and no errors currently being detected No DS1 signal or framing mismatch ESF/ (YEL)

  • Page 5: Hdsl2 System Testing

    4. HDSL2 SYSTEM TESTING H2TU-R Network Loopbacks The T200 H2TU-R provides diagnostic, loopback, and The H2TU-R responds to multiple loopback activation signal monitoring capabilities. processes in the following order. The six front-panel LEDs provide diagnostics for • First, loopback activation may be accomplished HDSL2 loops, DS1 signals, alarms, provisioning, and using the control port of the H2TU-C or H2TU-R.

  • Page 6: Provisioning

    Control Port Terminal Access The H2TU-R provides a front panel mounted DB-9 NOTE connector that supplies an RS-232 interface for Network and customer loopbacks are governed connection to a controlling terminal. The pinout of the by the loopback time out option (defaulted to DB-9 is illustrated in Figure 4 120 minutes).

  • Page 7: Table 7. Provisioning Options

    Table 7. Provisioning Options Provisioning Option Option Settings Default Settings 1. DSX-1 Line Build Out 0-133 ft. 0 to 133 ft. 133-266 ft. 266-399 ft. 399-533 ft. 533-655 ft. 2. DSX-1/DS1 Line Code B8ZS, AMI B8ZS 3. DSX-1/DS1 Framing SF, ESF, Unframed, Auto 4.

  • Page 8: Control Port Operation-Hdsl2

    Figure 26 (Figure 5), from which the various OAM&P apply to an HDSL2 circuit deployed with the ADTRAN (Operation, Administrative, Maintenance, and Provi- HDSL2 technology. The circuit includes an H2TU-C sioning) screens may be accessed. To display a and an H2TU-R. Other configurations are possible (for particular screen from the menu, press the number key example, other vendor’s equipment) and their displays...
  • Page 9 HDSL2 circuit. To change component in the HDSL2 circuit. This screen also a particular option setting, select the appropriate displays contact information for ADTRAN Technical number and a new menu will appear with a list of the Support, Internet site and address.
  • Page 10 (Figure 8) provides quick screen (Figure 9), accessed from Span Status Screen Detailed Status access to status information for each HDSL2 receiver in , displays the HDSL2 and T1 Span Status Menu the circuit. The Legend selection provides a description status for each receiver point.
  • Page 11 Screen (Figure Screens (Figure Figure Loopback and Test Commands Performance History provides the user with the ability to evoke or terminate 12, and Figure 13) display the historical HDSL2 and T1 all available HDSL2 loopbacks. It also provides a self- performance data in several different registers.
  • Page 12 At each 24-hour interval, the performance data is trans- The user is prompted to select a module and interface to ferred into the 24-hour performance data registers. This view the corresponding performance data. Line (L) and unit stores up to 31 days of 24-hour interval data. Path (P) related data can be viewed.
  • Page 13 Abbreviations used in the Screens Performance History are defined in the (Figure 14 Data Definitions Figure 15). CIRCUIT ID: 10/29/03 09:29:45 Press ESC to return to previous menu Performance Data Definitions H2TUC, H2TUR, and H2R LOOP Related: HDSL2 Framing ES-L Errored Seconds CRC>=1 or LOSW>=1 SES-L...
  • Page 14 The Scratch Pad, be entered as MMDDYY (for example, enter January Circuit ID and Time/Date Screen (Figure 16) allows three main functions: 02, 2003, as “010203”). • Setting/updating system date and time The Circuit ID field may contain up to 25 characters. •...
  • Page 15 This unit includes two terminal emulation modes. The TO UPDATE” appears at the top of each screen. By desired terminal mode can be selected from the pressing the space bar 3 times, the screen will be Terminal Modes Screen (Figure 17).
  • Page 16 screens are divided into two separate screen displays: Alarm History HDSL2 Span History screens: (Figure 18) and T1 Alarm History HDSL2 Span • Loss of Sync for each HDSL2 receiver (Figure 19). History • Margin Threshold Alarm for each HDSL2 receiver screen displays: T1 Alarm History •...
  • Page 17 screen (Figure 20) provides a log • H2TU-C/H2TU-R Powered Up Event History history of HDSL2 circuit events. Events are recorded in • HDSL/T1 PM Registers Reset the Events History screen. The following is a list of • Line Code Option Change possible events: •...
  • Page 18 Full System/History Report Current Status Report System Configuration Report Alarm/Event History Figure 21. System PM/Screen Report Circuit ID: 10/29/03 09:29:45 Adtran HDSL2 Main Menu HDSL2 Unit Information Provisioning Span Status Loopbacks and Test Performance History Scratch Pad, Ckt ID, Time/Date...
  • Page 19 Press ESC to return to previous menu Troubleshooting For HELP based on detected problems, select Troubleshooting Guidance from the list below. If further assistance is needed, contact ADTRAN Tech Support. Hours: Normal 7am - 7pm CST 1. Troubleshooting Guidance Emergency 7 days x 24 hours 2.
  • Page 20 screen (Figure 25) shows the screen (Figure General Information Virtual Terminal Session Control Loop Deployment Guidelines for this type of circuit. allows the user to log into the H2TU-C from the H2TU- Should trouble occur on the circuit, many test details are R.

  • Page 21: Hdsl2 Deployment Guidelines

    7. HDSL2 DEPLOYMENT GUIDELINES Loop loss per kilofoot for other wire is summarized in The ADTRAN HDSL2 system is designed to provide Table DS1 based services over loops designed to comply with Table 8. HDSL2 Loss Values carrier service area (CSA) guidelines. CSA deployment...

  • Page 22: Troubleshooting Procedures

    ADTRAN does not recommend that repairs be Pre-Sales Applications/Post-Sales Technical performed in the field. Repair services may be obtained Assistance: by returning the defective unit to the ADTRAN. Refer to Warranty and Customer Service section of this 800-726-8663 Practice. Standard hours: Monday - Friday, 7 a.m. - 7 p.m. CST Emergency hours: 7 days/week, 24 hours/day 10.

  • Page 23: Adtran T200 2-Wire Hdsl Remote Unit (H2Tu-R)

    Operating (Standard): –40°C to +70°C; Storage: –40°C to +85°C Relative Humidity Up to 95% noncondensing Compliance UL Listed Bellcore NEBS Level 3 (SR-3580) FCC 47CFR Part 15, Class A Part Number ADTRAN T200 2-Wire HDSL Remote Unit (H2TU-R) 1223024L2 61223024L2-5A Issue 1, December 2003...
  • Page 24 This page is intentionally blank. Issue 1, December 2003 61223024L2-5A...

  • Page 25: Appendix Ahdsl2 Loopbacks

    Appendix A HDSL2 Loopbacks HDSL2 MAINTENANCE MODES DDS Latching Loopback Operation This appendix describes operation of the HDSL2 If the unit is optioned for FT1 mode, then DDS Latching system with regard to detection of inband and ESF Loopback operation is supported as described in facility data link loopback codes.

  • Page 26: Table A-1. Hdsl2 Loopback Control Codes

    Table A-1. HDSL2 Loopback Control Codes Type Name Source Code Abbreviated (N) 3in7 (1110000) Loopback data from network toward network in the H2TU-R. 4in7 (1111000) Loopback data from network toward network in the H2TU-C. 6in7 (1111110) Loopback data from customer toward customer in H2TU-C. 5in7 (1111100) Loopback data from customer toward customer in H2TU-R.

  • Page 27: Table A-2. In-Band Addressable Loopback Codes

    Table A-2. In-Band Addressable Loopback Codes Function Code (Hex / Binary) Response ARM (in-band) - also 11000 (binary) The H2TU-R will loop back toward the network. No AIS or known as 2-in-5 pattern errors will be sent as a result of this loopback. The H2TU-C will arm.
  • Page 28 Issue 1, December 2003 61223024L2-5A...

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