Black Box AC910A Bedienungsanleitung
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
MARCH 1995
AC910A
Voice Conferencing System
7
*
0
OPER
PRS
4
GHI
1
8
5
2
TUV
JKL
ABC
#
9
WXY
6
MNO
3
DEF
ON/
OFF
MUTE
RE-
DIAL
FLASH
VOL
+
VOL
-
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.
TRADEMARKS USED IN THIS MANUAL
UL is a registered trademark of Underwriters Laboratories,
Incorporated.
Any other trademarks mentioned in this manual are acknowledged to be the property
of the trademark owners.
FCC /IC STATEMENTS, TRADEMARKS
i
VOICE CONFERENCING SYSTEM
FEDERAL COMMUNICATIONS COMMISSION
AND
CANADIAN DEPARTMENT OF COMMUNICATIONS
TELEPHONE EQUIPMENT STATEMENTS
1. The Federal Communications Commission (FCC) has established rules
which permit this device to be directly connected to the telephone
network. Standardized jacks are used for these connections. This
equipment should not be used on party lines or coin lines.
2. If this device is malfunctioning, it may also be causing harm to the
telephone network; this device should be disconnected until the source of
the problem can be determined and until the repair has been made. If this
is not done, the telephone company may temporarily disconnect service.
3. The telephone company may make changes in its technical operations and
procedures; if such changes affect the compatibility or use of this device,
the telephone company is required to give adequate notice of changes.
4. If the telephone company requests information on what equipment is
connected to their lines, inform them of:
a. The telephone ringer that this unit is connected to.
b. The ringer equivalence number.
c. The USOC jack required: RJ-11C.
d. The FCC registration number.
Items (b) and (d) are indicated on the label. The ringer equivalence
number (REN) is used to determine how many devices can be connected
to your telephone line. In most areas, the sum of the RENs of all devices on
any one line should not exceed five (5.0). If too many devices are attached,
they may not ring properly.
5. In the event of an equipment malfunction, all repairs should be performed
by Black Box or an authorized agent. It is the responsibility of users
requiring service to report the need for service to the supplier or to an
authorized agent.
ii
FCC /IC TELEPHONE-EQUIPMENT STATEMENTS
The Canadian Department of Communications label identifies certified equipment.
This certification means that the equipment meets certain telecommunications-network
protective, operation, and safety requirements. The Department does not guarantee the
equipment will operate to the user’s satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The equipment must
also be installed using an acceptable method of connection. In some cases, the company’s
inside wiring associated with a single-line individual service may be extended by means
of a certified connector assembly (extension cord). The customer should be aware that
compliance with the above conditions may not prevent degradation of service in some
situations.
Repairs to certified equipment should be made by an authorized Canadian
maintenance facility—in this case, Black Box. Any repairs or alterations made by the
user to this equipment, or equipment malfunctions, may give the telecommunications
company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections
of the power utility, telephone lines, and internal metallic water pipe system, if present,
are connected together. This precaution may be particularly important in rural areas.
CAUTION:
Users should not attempt to make such connections themselves, but
should contact the appropriate electric inspection authority, or
electrician, as appropriate.
The LOAD NUMBER (LN) assigned to each terminal device denotes the percentage of
the total load to be connected to a telephone loop which is used by the device, to prevent
overloading. The termination on a loop may consist of any combination of devices,
subject only to the requirement that the total of the load numbers of all the devices
does not exceed 100.
iii
VOICE CONFERENCING SYSTEM
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.
iv
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.
NOM STATEMENT
v
VOICE CONFERENCING SYSTEM
Contents
Chapter Page
1. Specifications ............................................................................................. 1
2. Introduction ............................................................................................... 3
2.1 Overview .............................................................................................. 3
2.2 The Complete Package ....................................................................... 3
2.3 The Keypad Keys and Their Functions .............................................. 5
2.4 Other Features .................................................................................... 6
3. Installation .................................................................................................. 8
4. Operation ................................................................................................. 10
4.1 Placing, Answering, and Ending Calls ............................................. 10
4.2 Generating a Switch-Hook Flash (Adding a Third
Party to a Call) ................................................................................ 10
4.3 Increasing and Decreasing the Volume .......................................... 11
4.4 Muting and Un-Muting the Microphones ....................................... 11
4.5 Redialing the Last Number .............................................................. 11
5. Troubleshooting ...................................................................................... 12
5.1 Calling Black Box .............................................................................. 12
5.2 Shipping and Packaging ................................................................... 12
vi
1
CHAPTER 1: Specifications
Compliance — FCC Part 15 Class A, Part 68;
DOC class/MDC classe A;
ETL certified
Registration
Numbers — FCC: CQQUSA-21128-NT-T;
DOC/MDC: 17386160A
Ringer Equivalency
Number — 0.6 Bels
Load Number — 9
Interfaces — Main module: Proprietary;
Power-interface module: Telco and proprietary
Dial Type — DTMF (touchtone)
Operation — 2-wire balanced, non-bias full duplex
Sampling — 16-bit codec
Frequency
Response — 300 to 3400 Hz
Acoustic Noise
Suppression — Proprietary noise-floor reduction circuitry
Impedance — 600 ohms nominal, transformer-isolated
Surge Protection — Built in; meets requirements for FCC, ETL, UL®, and
CSA certification; additional surge protection is
recommended
1. Specifications
2
VOICE CONFERENCING SYSTEM
Speaker — 4" (10.2-cm) full-range
Maximum
Volume — Greater than 90 decibels (measured at 1 ft. [30 cm])
User Controls — 20-key hot keypad (only 18 keys are functional)
Indicators — (2) LEDs on main module
Connectors — Main module: (1) Bottom-mounted RJ-45 female;
Power-interface module:
(3):
(2) Bottom-mounted:
(1) RJ-45 female, (1) RJ-12 (6-wire RJ-11) female;
(1) Rear-mounted NEMA 5-15P power plug
Leads/Signals
Supported — On RJ-45 connectors: Pins 1 (+16 VDC), 3 (tip),
4 (ring), 6 (ground), 8 (voice communication);
On RJ-11 connectors: All pins/signals
Temperature — Operating: 32 to 122˚ F (0 to 50˚ C);
Storage: –4 to 176˚ F (–20 to 80˚ C)
Humidity — 8 to 80% noncondensing
MTBF — 254,000 hours
Power — From UL, CSA certified wallmount power-interface
module:
Input: 115 VAC, 47 to 63 Hz;
Output: +16 VDC on Pin 1 of modular cable to
main module;
Consumption: 25 watts
Size — 3"H x 13"W x 13"D (7.6 x 33 x 33 cm)
Weight — Net: 3 lb. (1.4 kg);
Shipping: 6 lb. (2.7 kg)
3
CHAPTER 4: Operation
Congratulations on purchasing the Voice Conferencing System.
A significant step forward in the evolution of hands-free calling, the VCS
provides the ultimate in clear, natural audio conferencing through any analog
telephone line.
2.1 Overview
With the Voice Conferencing System, you can conduct an audio conference
with the interactive qualities and audio characteristics of a face-to-face
meeting over an ordinary phone line. The VCS’s electronics are robust and
sensitive enough to support approximately 20 participants in an average-size
(20' x 20' or 6 x 6 m) conference room.
The VCS contains a full-function dial pad and electronic ringer (it can be
a standalone phone). You can place and answer calls, mute and un-mute the
microphones, and adjust the loudspeaker volume with simple easy-to-use keys.
Using state-of-the-art technology, including the manufacturer’s patented
“sound-sculpturing” process, the VCS continuously monitors and
compensates for changing room acoustics. This assures optimum
performance and clear audio in all types of conference rooms.
2. 2 The Complete Package
(1) Main Module
The main module, shown below, contains microphones, a loudspeaker, and
various controls and indicators. Place it on a conference-room table or an
office desk.
7
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0
OPER
PRS
4
GHI
1
8
5
2
TUV
JKL
ABC
#
9
WXY
6
MNO
3
DEF
ON/
OFF
MUTE
RE-
DIAL
FLASH
VOL
+
VOL
-
2. Introduction
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