Black Box ME550A-35 Manuale utente
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746
© Copyright 1997. Black Box Corporation. All rights reserved.
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
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
1
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.
2
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.
3
4
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.
5
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
6
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
7
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
8
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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