CopperOptics PairGain PG-Flex Plus PCS-818 Bedienungsanleitung

PG-FLEX PLUS

CENTRAL OFFICE TERMINAL SHELF

PAIRGAIN TECHNOLOGIES, INC.

ENGINEERING SERVICES TECHNICAL PRACTICE

SECTION 950-818-100-01

Model List Number Part Number

PCS-818 1 150-2618-01

950-818-100-01, Revision 01

ii November 30, 1999 PCS-818 List 1

Revision History of This Practice

PairGain and PG-FlexPlus are registed trademarks of PairGain Technologies, Inc. All other product names mentioned in this

document are used for identification purposes only and may be trademarks or registered trademarks of their respective companies.

Information contained in this document is company private toPairGain Technologies,Inc., and shall not be modified, used, copied,

reproduced or disclosed in whole or in part without the written consent of PairGain.

Information furnished by PairGain Technologies is believed to be accurate and reliable. However, no responsibility is assumed by

PairGain Technologies for its use, nor for any infringement of patents or other rights of third parties which may result from its use.

No license is granted by implication or otherwise under any patent or patent rights of PairGain Technologies. PairGain

Technologies reserves the right to change specifications at any time without notice.

Revision Release Date Revisions Made

01 November 30, 1999 Initial release.

950-818-100-01, Revision 01 Using This Technical Practice

PCS-818 List 1 November 30, 1999 iii

USING THIS TECHNICAL PRACTICE

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

Abbreviations used in this practice are defined in “Abbreviations” on page 20.

INSPECTING YOUR SHIPMENT

Upon receipt of the equipment:

•Unpack each container and visually inspect the contents for signs of damage. If the equipment has been

damaged in transit, immediately report the extent of damage to the transportation company and to PairGain.

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 PairGain as described in the “Limited Warranty”on page 21. If you must store the

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

Notes indicate information about special circumstances.

Cautions indicate the possibility of equipment damage or the possibility of personal injury.

You must wear an antistatic wrist strap connected to the ESD jack on the PG-FlexPlus chassis to

perform the installation procedures. You must also observe normal ESD precautions when

handling electronic equipment. Do not hold electronic plugs by their edge. Do not touch

components or circuitry.

Table of Contents 950-818-100-01, Revision 01

iv November 30, 1999 PCS-818 List 1

TABLE OF CONTENTS

Overview ____________________________________________________________________________ 1

Description and Features................................................................................................................... 1

Operation........................................................................................................................................... 2

Data Channel Overview...................................................................................................... 2

Serial Communications Bus................................................................................................ 3

Communication Requests ................................................................................................... 3

Backplane Connections....................................................................................................... 3

Power .................................................................................................................................. 4

COLU HDSL ...................................................................................................................... 4

Subscriber Pairs................................................................................................................... 4

Alarm Cutoff....................................................................................................................... 4

Alarm Contacts ................................................................................................................... 4

LAN Interface..................................................................................................................... 6

E1 Connections ................................................................................................................... 7

Specifications .................................................................................................................................... 7

Installation Procedures_________________________________________________________________ 8

Required Tools and Test Equipment................................................................................................. 8

Power................................................................................................................................................. 8

Mounting ........................................................................................................................................... 8

Wiring Access ................................................................................................................................... 9

Alarm Leads ...................................................................................................................................... 9

HDSL Lines....................................................................................................................................... 9

Subscriber Lines................................................................................................................................ 9

Connections....................................................................................................................................... 9

Ground Connections ........................................................................................................... 9

FGND Lug Connection ........................................................................................ 9

TB1 FGND Connection...................................................................................... 10

Power Connections ........................................................................................................... 10

Redundant-COT Shelf Powering........................................................................ 11

Single-Source Powering ..................................................................................... 12

Audible and Visual Alarm Connections ........................................................................... 13

Subscriber Connections From CO .................................................................................... 13

External Clock Connections.............................................................................................. 13

HDSL Wiring.................................................................................................................... 15

External ACO Connection ................................................................................................ 15

Turn-Up and Test ............................................................................................................................ 15

950-818-100-01, Revision 01 Table of Contents

PCS-818 List 1 November 30, 1999 v

Reference Tables..............................................................................................................................16

Abbreviations _______________________________________________________________________ 20

Product Support _____________________________________________________________________ 21

Technical Support............................................................................................................................21

Limited Warranty.............................................................................................................................21

Advance Replacement......................................................................................................................22

Billing...............................................................................................................................................22

Returning A Product ........................................................................................................................22

FCC Compliance..............................................................................................................................23

Modifications...................................................................................................................................23

Table of Contents 950-818-100-01, Revision 01

vi November 30, 1999 PCS-818 List 1

950-818-100-01, Revision 01 Overview

PCS-818 List 1 November 30, 1999 1

OVERVIEW

The PairGain®PG-FlexPlus TM 19-inch Central Office Terminal (COT) shelf, PCS-818 List 1, supports a common

management and alarm unit, an E1 multiplexer unit, and up to sixteen Central Office Line Units (COLUs).

DESCRIPTION AND FEATURES

The PCS-818 provides convenient mounting of a COT shelf PG-Plus Alarm Unit (PAU) or PG-Plus Alarm

Management Unit (PMU) and Central Office Line Units (COLUs); and furnishes termination points for subscriber

circuits, alarm, power, and E1 interfaces. All circuit boards are installed from the front of the COT shelf.

Interconnections for PG-Plus units are located on the backplane at the rear of the COT shelf. The PCS-818 COT

shelf accommodates the following PG-Plus units (see Figure 1):

•16 COLUs

•One Multiplexer Unit (PMX)

•One PAU or one PG-Plus Management Unit.

Figure 1. Front View of the PCS-818 List 1 COT Shelf

The COT shelf features:

•Wire-wrap connections for HDSL, alarm cutoff, and alarm relays

•Screw terminal connections for frame ground and Central Office (CO) battery

•DB-9 connector for network management communications

•64-pin Telco connectors for CO lines

•Fits into a Electronic Industries Association (EIA) 19-inch and European Telecommunications Standards

Institute (ETSI) frames

•Wire-wrap connections for G.703 data and reference clock interfaces

•Ethernet 10Base-2 and 10Base-T connections for network management or multi-shelf communications.

PAU/PMU

slot (J1) PMX

slot (J2) Central office line units

(J3-J18)

Overview 950-818-100-01, Revision 01

2 November 30, 1999 PCS-818 List 1

OPERATION

Data Channel Overview

The COT shelf backplane uses redundant Pulse Code Modulation (PCM) transmit and receive buses and Serial

Communications buses (SCB) for data transfer and intra-COT shelf communications. Individual clock, data, and

synchronization buses originate from the PMX card and terminate at each COLU position. The COT shelf

provides the signal connectivity and –48 Vdc power distribution in the COT shelf. Figure 2 shows the backplane

signal interconnection.

Figure 2. Backplane Signal Configuration

PAU or PMU

COLU #1 COLU #16

RBUS1A

RBUS16A

TBUS16A

TBUS1A

G.703-1

G.703-8

MUX (PMX)

EXT

CLK

INTA

INT1

INT16

HDSL

RS232

G.703 LAN

10baseT

Subscriber

Pair

121-128

Subscriber

Pair

1-8

16 16

Alarm

Contacts

TBUSEOCA

RBUSEOCA

ACO

SCB1

SCB16

INTERNAL BUS TO

COLU SLOTS 2 TO 4

INTERNAL BUS TO COLU

SLOTS 13 TO 15

LAN

10base2

OSOS

SCBA

REF CLK

950-818-100-01, Revision 01 Overview

PCS-818 List 1 November 30, 1999 3

Serial Communications Bus

The SCB provides the means for the PAU/PMU to communicate with all other boards in the COT shelf to allow:

•Software downloads

•Generation of status, alarm, and performance reports through the PG-FlexPlus Console menus

•Provisioning of each unit installed in the COT shelf through the PG-FlexPlus Console menus

Communication Requests

The COT shelf provides a path for communication requests from each of the cards to the PAU/PMU slot. These

signals are used by the COLU and PMX units to initiate communication with the PAU/PMU.

Backplane Connections

Each COT shelf supports the connection of up to sixteen COLUs, one PMX unit and one PAU/PMU. The

backplane of the PCS-818 COT shelf contains the connectors shown in Figure 3 and Table 1.

Figure 3. PCS-818 COT Shelf Backplane

Overview 950-818-100-01, Revision 01

4 November 30, 1999 PCS-818 List 1

The following sections identify each connector by type and function.

Power

The COT shelf backplane has a five-position power-terminal strip (TB1) that provides connections for redundant

-48 Vdc, common battery return, and frame ground to each of the card slots by way of screw terminals. The COT

shelf can be wired for redundant powering or single-source powering depending upon requirements.

COLU HDSL

Each COLU slot is equipped with eight wire-wrap pins for xDSL interfaces.

Subscriber Pairs

A total of 128 two-wire subscriber pairs terminate at the Telco connectors P1, P2, P3, and P4, on the COT shelf

backplane. Eight pairs route to each of the sixteen COLUs. At present up to six pairs are supported by existing

COLU’s. The additional two pairs are for future COLU configurations. See Tables 5 through 8 for P1, P2, P3, and

P4 connector pinouts.

Alarm Cutoff

The COT shelf backplane provides a wire-wrap pin for connection to an external alarm cutoff circuit.

Alarm Contacts

The COT shelf provides access to the PAU alarm relays through the wire-wrap pins on the COT shelf backplane.

Both normally open (NO) and normally closed (NC) relay operation is supported. Figure 4 shows the

configuration of the alarm relays.

Table 1. Backplane Connectors

Connector Description

J20 DB-9 RS-232 connector

J21 LAN 10base2 connector

J22 LAN 10baseT connector

P1 - P4 64-pin Telco connectors

TB1 Five-position power-terminal strip

FGND Frame ground lug

Use the frame ground lug located on the upper left corner of the COT shelf backplane, with

2.6 mm wire to ground the COT shelf. This is the preferred frame ground connection point.

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