ADC HiGain HLU-200 Manuale utente

HiGain

USER MANUAL

AHT1U

HLU200 L1E

LOOP

FAIL

HDSL

HLU-200 List 1E Line Unit

Product Catalog: 350-200-115-02

CLEI: SLILNS5AAA

350-200-115-02, Issue 2

ii September 25, 1998 HLU-200 List 1E

Revision History of This Manual

To order copies of this document, use document catalog number

350-200-115-02.

September 1998

Trademark Information

ADC is a registered trademark of ADC Telecommunications, Inc. HiGain is a

registered trademark of ADC DSL Systems, Inc. No right, license, or interest to such

trademarks is granted hereunder,and you agree thatno suchright, license, orinterest

shall be asserted by you with respect to such trademark.

Other product names mentioned in this practice are used for identification purposes

only and may be trademarks or registered trademarks of their respective companies.

Disclaimer of Liability

Information contained in this documentis company private to ADC DSL Systems, Inc.,

and shall not be modified, used, copied, reproduced or disclosed in whole or in part

without the written consent of ADC.

Contents herein are current as of the date of publication. ADC reserves the right to

change the contents without prior notice. In no event shall ADC be liable for any

damages resulting from loss of data, loss of use, or loss of profits, and ADC further

disclaims any and all liability for indirect, incidental, special, consequential or other

similar damages. This disclaimer of liability applies to all products, publications and

services during and after the warranty period.

Issue Release Date Revisions Made

01 September 25, 1998 Initial Release

02 April 9, 2002 ADC Rebranding

350-200-115-02, Issue 2 Using This Manual

HLU-200 List 1E September 25, 1998 iii

USING THIS MANUAL

Three types of messages, identified by icons, appear in text.

UNPACK AND INSPECT YOUR SHIPMENT

Upon receipt of the equipment:

•Unpack each container and inspect the contents for signs of damage. If

theequipmenthasbeendamagedin transit,immediatelyreportthe extent

of damage to thetransportation company and to ADC DSL Systems,Inc.

Order replacement equipment, if necessary.

•Check the packing list to ensure complete and accurate shipment of each

listed item. If the shipment is short or irregular, contact ADC DSL

Systems, Inc. as described in Product Support. If you must store the

equipment for a prolonged period, store the equipment in its original

container.

Notes contain information about special circumstances.

Cautions indicate the possibility of personal injury or

equipment damage.

The Electrostatic Discharge (ESD) symbol indicates that a

deviceorassemblyissusceptibleto damagefromelectrostatic

discharge.

Unpack and Inspect Your Shipment 350-200-115-02, Issue 2

iv September 25, 1998 HLU-200 List 1E

350-200-115-02, Issue 2 Table of Contents

HLU-200 List 1E September 25, 1998 v

TABLE OF CONTENTS

Overview _______________________________________________ 1

Features.................................................................................... 1

Compatibility ........................................................................... 4

Installation _____________________________________________ 5

Installing the HLU-200 List 1E ............................................... 5

Card-Edge Connector............................................................... 6

Provisioning ____________________________________________ 7

Line Circuit Settings Option.................................................... 7

Using the Maintenance Terminal ___________________________ 8

Connecting to the Craft Port .................................................... 8

System Settings........................................................................ 9

Alarms ________________________________________________ 12

Diagnostic Messages.............................................................. 13

Loopbacks.............................................................................. 15

Specifications __________________________________________ 17

Documentation _________________________________________ 17

Product Support________________________________________ 18

Limited Warranty................................................................... 19

FCC Compliance.................................................................... 19

Table of Contents 350-200-115-02, Issue 2

vi September 25, 1998 HLU-200 List 1E

350-200-115-02, Issue 2 Overview

HLU-200 List 1E September 25, 1998 1

OVERVIEW

The ADC®HiGain®HLU-200 List 1E is an asynchronous DS1 interfaceunit

that plugs into the Channel Bank Assembly (CBA) of a DSC

LITESPAN-2000 optical loop carrier system to provide an HDSL interface.

The HLU-200 List 1E is essentially an AT1U line unit with its T1 line

interface circuit replaced by an HDSL line interface circuit. When used in

conjunction with a HiGain Remote Unit (HRU), the system provides 1.544

Mbps transmission on two unconditioned copper pairs over the full Carrier

Service Area (CSA) range. The CSA includes loops up to 12,000 feet of

AWG 24 wire or 9,000 feet of AWG 26 wire, including bridged taps. This

CSA range can be doubled with a HiGain Doubler Unit (HDU) and tripled

with two doublers. The HiGain system uses HDSL (High-bit rate Digital

Subscriber Line) transmission technology as recommended by Bellcore

TA-TSY-001210. HiGain complies with TRY-TSY-000063 (Network

Equipment Building System (NEBS) Generic Equipment requirements) and

TR-TSY-000499 (Transport System Generic Requirements - TSGR)

common requirements. Ground faults occurring at any point along any span

on any conductor are immediately detected and the HiGain circuit shuts

down. The line unit then applies power periodically to the first span to detect

the ground fault condition. This power cycling and ground fault protection

continues as long as the fault condition exits.

The HLU-200 List 1E is compatible with the DSC LITESPAN 2000 Channel

Bank Version 7.1x and 8.1x.

FEATURES

Figure 1 illustrates the HLU-200List 1E frontpanel. Table 1 defines the front

panel components.

Overview 350-200-115-02, Issue 2

2 September 25, 1998 HLU-200 List 1E

Figure 1. HLU-200 List 1E Front Panel

HLU200 L1E

LOOP

Status indicators

Craft port

Retaining latch

FAIL

HDSL

AHT1U

350-200-115-02, Issue 2 Overview

HLU-200 List 1E September 25, 1998 3

Table 1. Front Panel Features and STATUS LED States

Name Function

Status Indicators Indicates loopback, HDSL, and error status, as described below.

LOOP Lights green when a loopback is in effect.

FAIL Controlled by the channel bank. The LED remains on at all times

when the HLU-200 is used with revision 7.1.1 banks due to a

software flaw in 7.1.1 When used with revision 7.1.2 or higher,

it lights when the HLU-200 is first plugged into the bank and

remains on until the bank finishes its program download and

handshakes with the HLU-200 line unit. During normal

operation, it lights when there is a failure that affects service

within the bank.

HDSL Tri-colored LED:

flashes green during HDSL sync acquisition on either HDSL

loop.

flashes red for any of the alarm conditions.

lights steady green when both HDSL loops are in sync and no

minor alarms exist.

lights steady red if the on-board 48 V fuse opens.

RS-232 Craft port Provides asynchronous access to the menu interface for system

maintenance, provisioning, and performance monitoring

firmware. Access is through a maintenance terminal or a PC with

terminal emulation software connected to this 9-pin DB-9 female

connector. The port is configured as DCE at 9600 baud, with 8

data bits, 1 stop bit, and no parity.

Retaining latch Secures the HLU-200 into place.

Overview 350-200-115-02, Issue 2

4 September 25, 1998 HLU-200 List 1E

COMPATIBILITY

The HLU-200 List 1E operates as a channel card within a DSC LITESPAN

2000 Channel Bank. The LITESPAN 2000 system consists of a CO bank that

is connected to a remote bank over an OC3 fiber link. Each bank has slots for

56 channel plug-ins. The HLU-200 List 1E is typically installed in the remote

bank where it is used to transmit a T1 payload to a remote HRU over two

unconditioned HDSL cable pairs, with or without doublers. It is the HDSL

equivalent to an AT1U channel card, which is used to transmit a T1 payload

to a remote location over conventional T1 spans.

The HLU-200 List 1E is compatible with software releases 7.1.x and 8.1.x

and above, of the LITESPAN 2000 system. The List 1E is not compatible

with the LITESPAN 2000 Management System and must be maintained,

provisioned, and monitored from its front panel RS-232 Craft port. The

HLU-200 List 2D (AHDSL) line unit provides integrated management and is

compatible with the LITESPAN 2000 TL1-based Network Management

System and the LITECRAFT Management System in Version 8.x.

The HLU-200 List 1E timing is not synchronized to the LITESPAN bank

timing but runs asynchronously with respect to it.

TheHLU-200 List 1E canbe cross-connectedto another HLU-200 oranother

asychronous T1 channel unit within its own channel bank or in the distant

channel bank.This is shown inFigure3 on page16, wheretestaccessateither

the remote or local ends can be accomplished by use of ADS1U and AT1U

line cards. These point-to-point dedicated circuits are initiated by issuing the

standard TL1-based cross-connect commands to the Maintenance and Test

Interface (MTI) card that identifies the HLU-200 List 1E as an AHT1U plug.

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