Black Box ME550A-35 User manual

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX

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

Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

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

MAY 1997

ME550A-35 ME550AE-35

ME550A-X21 ME550AE-X21

ME551A-35 ME551AE-35

ME551A-X21 ME551AE-X21

ME552A-35 ME552AE-35

ME552A-X21 ME552AE-X21

Campus Fiber Drivers

DIG ANAREMPATT

PWRRTSTDRDDCDTESTERR

Campus Fiber Driver

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 J 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 classe A prescrites dans le Règlement sur le

brouillage radioélectrique publié par Industrie Canada.

FCC AND IC STATEMENTS

CAMPUS FIBER DRIVERS

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.

CAMPUS FIBER DRIVERS

DISCLAIMERS

This manual contains information proprietary to the manufacturer. No part

of this publication may be reproduced in any form whatsoever without prior

written approval.

No representation or warranties for the fitness of these products for any

purpose other than those specifically mentioned in this manual are made

either by the manufacturer or its agents.

The manufacturer reserves the right to revise this publication and

make changes without obligation to notify any person of such revisions

and changes.

The manufacturer shall not be liable for any direct, indirect, special,

incidental, or consequential damages, whether based on contract, tort,

or any legal theory.

SAFETY WARNING

Always observe standard safety precautions while installing, operating, or

troubleshooting this product. To avoid the possibility of electrical shock,

disconnect the unit’s power cord from the power source before you remove

the unit’s cover.

Only a competent technician who is aware of the hazards involved should

carry out adjustment, maintenance, or repairs to this product. No adjustment,

maintenance or repairs should be performed by either the operator or the user.

TABLE OF CONTENTS

Contents

Chapter Page

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

2. Introduction ............................................................................................... 9

2.1 General Overview ................................................................................ 9

2.2 Features in Detail .............................................................................. 10

2.3 Sample Applications ......................................................................... 11

3. Installation ................................................................................................ 13

3.1 Placement .......................................................................................... 13

3.2 Configuration .................................................................................... 13

3.3 Installation in 19-Inch Racks (Optional) ......................................... 17

3.4 Cabling the Driver ............................................................................ 20

4. Operation ................................................................................................. 25

4.1 The Front-Panel Controls and Indicators ....................................... 25

4.2 Operating Procedure ........................................................................ 27

5. Troubleshooting ...................................................................................... 29

5.1 Loop Tests ......................................................................................... 29

5.2 The Bit Error-Rate Tester (BERT) ................................................... 29

5.3 The Modem Self-Test ........................................................................ 30

5.4 Local Analog Loopback .................................................................... 30

5.5 Remote Digital Loopback ................................................................. 32

5.6 Local Digital Loopback .................................................................... 33

5.7 Contacting Black Box ....................................................................... 34

5.8 Shipping and Packaging ................................................................... 35

CAMPUS FIBER DRIVERS

Compliance — FCC Class A, IC Class/classe A

Standards — Loopback tests: ITU-TSS V.54;

BERT: ITU-TSS V.52

Interfaces — Line side: Fiberoptic:

ME550 models: Multimode;

ME551 models: LED-source single-mode;

ME552 models: Laser-source single-mode;

Device side:

“–35” models: ITU-TSS V.35;

“–X21” models: ITU-TSS X.21

Protocol — Synchronous

Clock Source — Internal, external (from attached device), or

recovered (from remote LDM-MR128)

Flow Control — Transparent to flow control, although the user can

set the unit to raise or lower transmit carrier in

response to the state of the RTS (V.35 models) or

I (X.21 models) signal

Data Rate — 2.048, 1.544, 1.536, or 1.024 Mbps, or 768, 512, 384,

256, 128, 112, 64, or 56 Kbps (user-selectable)

Optical

Wavelength — ME550 models: 850 nm;

ME551 and ME552 models: 1300 nm

Output Power — ME550 models: –18 dBm into 62.5/125 fiber

ME551 models: –18 dBm into 9/125 fiber

ME552 models: –12 dBm into 9/125 fiber

1. Specifications

Receiver

Sensitivity — ME550 models: –39 dBm;

ME551 and ME552 models: –40 dBm

Dynamic Range — 28 dBm

Link Budget — ME550 models: 21 dBm;

ME551 models: 22 dBm;

ME552 models: 28 dBm

Maximum

Distance — Depends on quality of cable, how and where cable is

installed, and (for Driver-to-DTE distance) interface

and data rate:

Between Driver and DTE: 50 ft. (15.2 m);

Across fiber link:

ME550 models: 3.1 mi. (5 km);

ME551 models: 12.4 mi. (20 km);

ME552 models: 31 mi. (50 km)

User Controls — (4) Front-mounted pushbuttons for loopback testing

and BERT;

(1) Internal data-rate screwdial;

(6) Internal jumpers for timing, testing, grounding,

and other features

Diagnostics — V.54-compliant loopback tests; V.52-compliant BERT

Indicators — (7) Front-mounted LEDs: PWR (power), RTS, TD,

RD, DCD, TEST, ERR (error)

Connectors — All models:

(2) ST female: (1) TX, (1) RX;

(1) IEC 320 male power inlet;

“–35” models:

(1) 34-pin M-block female;

“–X21” models:

(1) DB15 female

CHAPTER 1: Specifications

CAMPUS FIBER DRIVERS

MTBF — 95,000 hours

Temperature

Tolerance — 32 to 122˚F (0 to 50˚C)

Humidity

Tolerance — 0 to 90% noncondensing

Power — From outlet through power cord and internal power

supply:

Models with just “A” in product code:

Optimal Input: 115-VAC, 60 Hz, 43 mA;

Input Range: 103.5- to 126.5-VAC, 47 to 63 Hz;

Models with “AE” in product code:

Optimal Input: 230-VAC, 50 Hz, 22 mA;

Input Range: 207- to 253-VAC, 47 to 63 Hz;

Consumption: 5 VA (5 watts)

Size — 1.7"H x 9.6"W x 7.6"D (4.4 x 24 x 19.3 cm)

Weight — 3.1 lb. (1.4 kg)

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