Black Box ME0005A-10BT Bedienungsanleitung

CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)

FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746

Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

NOVEMBER 2001

ME0005A-10BT

2-Wire Short-Range DSL Line Driver

(mDSL)

FCC AND IC RFI STATEMENTS/CE NOTICE

FEDERAL COMMUNICATIONS COMMISSION

AND

INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

This equipment generates, uses, and can radiate radio frequency energy and if not

installed and used properly, that is, in strict accordance with the manufacturer’s

instructions, may cause interference to radio communication. It has been tested

and found to comply with the limits for a Class A computing device in accordance

with the specifications in Subpart B of Part 15 of FCC rules, which are designed to

provide reasonable protection against such interference when the equipment is

operated in a commercial environment. Operation of this equipment in a

residential area is likely to cause interference, in which case the user at his own

expense will be required to take whatever measures may be necessary to correct

the interference.

Changes or modifications not expressly approved by the party responsible

for compliance could void the user’s authority to operate the equipment.

This digital apparatus does not exceed the Class A limits for radio noise emission from

digital apparatus set out in the Radio Interference Regulation of Industry Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites

applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le

brouillage radioélectrique publié par Industrie Canada.

EUROPEAN UNION DECLARATION OF CONFORMITY

This equipment complies with the requirements of the European EMC Directive

89/336/EEC.

2-WIRE SHORT-RANGE DSL LINE DRIVER (MDSL)

NORMAS OFICIALES MEXICANAS (NOM)

ELECTRICAL SAFETY STATEMENT

INSTRUCCIONES DE SEGURIDAD

1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de

que el aparato eléctrico sea operado.

2. Las instrucciones de seguridad y operación deberán ser guardadas para

referencia futura.

3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de

operación deben ser respetadas.

4. Todas las instrucciones de operación y uso deben ser seguidas.

5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca

de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc..

6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que

sean recomendados por el fabricante.

7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea

recomendado por el fabricante.

8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá

a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser

referido a personal de servicio calificado.

9. El aparato eléctrico debe ser situado de tal manera que su posición no

interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,

alfombra o superficie similar puede bloquea la ventilación, no se debe colocar

en libreros o gabinetes que impidan el flujo de aire por los orificios de

ventilación.

10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor

como radiadores, registros de calor, estufas u otros aparatos (incluyendo

amplificadores) que producen calor.

11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del

tipo descrito en el instructivo de operación, o como se indique en el aparato.

NOM STATEMENT

12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización

del equipo no sea eliminada.

13. Los cables de la fuente de poder deben ser guiados de tal manera que no

sean pisados ni pellizcados por objetos colocados sobre o contra ellos,

poniendo particular atención a los contactos y receptáculos donde salen del

aparato.

14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las

recomendaciones del fabricante.

15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas

de energia.

16. El cable de corriente deberá ser desconectado del cuando el equipo no sea

usado por un largo periodo de tiempo.

17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean

derramados sobre la cubierta u orificios de ventilación.

18. Servicio por personal calificado deberá ser provisto cuando:

A: El cable de poder o el contacto ha sido dañado; u

B: Objectos han caído o líquido ha sido derramado dentro del aparato; o

C: El aparato ha sido expuesto a la lluvia; o

D: El aparato parece no operar normalmente o muestra un cambio en su

desempeño; o

E: El aparato ha sido tirado o su cubierta ha sido dañada.

2-WIRE SHORT-RANGE DSL LINE DRIVER (MDSL)

TRADEMARKS USED IN THIS MANUAL

Cisco®is a registered trademark of Cisco Systems.

DECnet™ is a trademark of Digital Equipment Corporation.

Novell®is a registered trademark, and IPX™ is a trademark, of Novell

Incorporated.

Any other trademarks mentioned in this manual are acknowledged to be the property of the

trademark owners.

CONTENTS

Contents

Chapter Page

1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 Ethernet Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3. PPP Operational Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4. Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 Plug-and-Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Configuring the Hardware DIP Switches. . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.1 Configuration DIP-Switch S2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.2 Configuration DIP-Switch S3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.1 Connecting the DSL Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2 Connecting the 10BASE-T Ethernet Port to a PC (DTE) . . . . . . . . . . . . 20

5.3 Connecting the 10BASE-T Ethernet Port to a Hub (DCE) . . . . . . . . . . . 21

5.4 Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.1 Power-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.2 LED Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.3 Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.3.2 Restart Procedures and Timeouts . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.3.3 Loops and Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.3.4 Using the V.52 (BER) Test-Pattern Generator . . . . . . . . . . . . . . . . 28

Appendix: Transmission Distance Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2-WIRE SHORT-RANGE DSL LINE DRIVER (MDSL)

1. Specifications

1.1. General

Clocking Modes: Internal or Receive Recovered

DTE Rate: All 64-kbps increments from 64 to 2304 kbps

Diagnostics: V.52-compliant (511/511E) pattern generator and detector with error

injection mode and Remote Loopback control by a single front-panel switch

Configuration: Externally accessible DIP switches or SNMP/HTTP managed

through the Managed Micro Rack SNMP/HTPP Card (part number

RM261C-SNMP)

Transmission Line: Single twisted-pair (2 wires)

Line Coding: CAP (Carrierless Amplitude and Phase Modulation)

Line Rates (DSL Line): 144, 272, 400, 528, 784, 1040, 1552, 2064, 2320 kbps

Line Interface: Transformer coupled, 1500-VAC isolation

Indicators: The following LEDs are displayed on the front panel:

DSL Link (Green Active): DSL Link active;

10BT Link (Green Active): Valid Ethernet connection;

Status (Flashing Yellow): Status indication from the Ethernet port;

NS (Red Active): No signal on DSP Link;

ER (Flashing Red): CRC error during normal operation, bit error during

pattern-generation test;

TM (Active Yellow): Test Mode Enabled

Connectors: (2) RJ-45

Power: +5V external desktop power supply, 100 to 240 VAC, 50-60 Hz (universal

input), 10W

Size: 1.6"H x 4.7"W x 5"D (4.1 x 11.9 x 12.7 cm)

Weight: 0.58 lb. (0.26 kg)

CHAPTER 1: Specifications

1.2 Ethernet Specifications

Connector: RJ-45, 10BASE-T 802.3 Ethernet

Protocol: PPP (RFC 1661) with Bridging Control (RFC 1638)

Address Aging: Entries are deleted after 8 minutes of inactivity

Frame Latency: 1 frame

Frame Buffer: 512 frames

Ethernet Physical Connection: Pin 1 TD Data +, Pin 2 TD Data -, Pin 3 RD Data +,

Pin 6 RD Data +, Pins 4, 5, 7, 8 no connection

2-WIRE SHORT-RANGE DSL LINE DRIVER (MDSL)

2. Introduction

2.1 Description

The 2-Wire Short-Range Line Driver (mDSL) is a multi-rate DSL modem that

provides seamless MAC Layer connectivity between two peered 10BASE-T LANs.

Enterprise users no longer need to hassle with a bridge and a CSU/DSU or

recurring leased-line costs. The mDSL Line Driver allows you to add additional

nodes to a LAN that has reached its maximum distance limits or separate high-

traffic areas of a LAN. The Line Driver connects peered LANs and automatically

forwards and receives LAN broadcasts, multicasts, and frames across a 2-wire DSL

span. The Line Driver supports PPP (RFC 1661) and BCP (RFC 1638).

The Line Driver features include loopback diagnostics, inband SNMP/HTTP

remote management capabilities using plug-and-play, and externally accessible

configuration switches. As a symmetric DSL modem, the Line Driver offers the

same data rates in both directions over a single pair of regular telephone lines

using Carrierless Amplitude and Phase (CAP) modulation. The Line Driver

connects to the DSL line via an RJ-45 jack. The Line Driver is powered by a

universal (100 to 240-VAC) power supply.

2.2 Features

• Provides MAC Level Data Link (Layer 2) connection between two peered

10BASE-T Ethernet LANs.

• Operates transparently to higher level protocols such as TCP/IP, DECnet™,

NetBIOS, and IPX™.

• PPP (Point-to-Point Protocol, RFC 1661) with Bridge Control Protocol

(RFC 1638).

• Automatically learns, loads, and removes MAC addresses.

• Point-to-point connectivity over 2-wire mDSL up to 10 km.

• Plug-and-play slave.

• HTTP/SNMP manageable as CP (Customer Premises) unit with ME0004C

rack card as the central office unit.

• Internal or receive recovered clocking between units.

• LED indicators for 10BASE-T Link, DSL Link, Status, No Signal, Error, and

Test Mode.

3. PPP Operational Background

PPP is a protocol used for multiplexed transport over a point-to-point link. PPP

operates on all full-duplex media. It’s a symmetric peer-to-peer protocol, which can

be broken into three main components:

1. A standard method to encapsulate datagrams over serial links.

2. A Link Control Protocol (LCP) to establish, configure, and test the data-link

connection.

3. A family of Network Control Protocols (NCPs) to establish and configure

different network layer protocols.

In order to establish communications over a point-to-point link, each end of the

PPP link must first announce its capabilities and agree on the parameters of the

link’s operation. This exchange is facilitated through LCP Configure-Request

packets.

Once the link has been established and optional facilities have been negotiated,

PPP will attempt to establish a network protocol. PPP will use Network Control

Protocol (NCP) to choose and configure one or more network layer protocols.

Once each network layer protocol has been configured, datagrams from the

established network layer protocol can be sent over the link. The link will remain

configured for these communications until explicit LCP or NCP packets close the

link down, or until some external event occurs.

The PPP Bridging Control Protocol (BCP), defined in RFC 1638, configures and

enables/disables the bridge protocol on both ends of the point-to-point link. BCP

uses the same packet exchange mechanism as the Link Control Protocol (LCP).

BCP is a Network Control Protocol of PPP, and bridge packets may not be

exchanged until PPP has reached the network layer protocol phase.

Applications

In situations where a routed network requires connectivity to a remote Ethernet

network, the interface on a router can be configured as a PPP IP half-bridge. The

serial line to the remote bridge functions as a Virtual Ethernet interface, effectively

extending the router’s serial-port connection to the remote network. The bridge

device sends bridge packets (BPDUs) to the router’s serial interface. The router

will receive the Layer 3 address information and will forward these packets based

on its IP address.

CHAPTER 3: PPP Operational Background

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