Black Box VIDEO CCTV-A/V HUB Manuale utente

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]

DECEMBER 2002

IC445A

Video CCTV-A/V Hub

FCC/IC RFI STATEMENTS, EU DECLARATION OF CONFORMITY

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

The manufacturer declares that this product meets the requirements of

EU Directive 89/336/EEC by complying with EN 55022.

VIDEO CCTV-A/V HUB

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, TRADEMARKS

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.

TRADEMARKS USED IN THIS MANUAL

BLACK BOX and the logo are registered trademarks of Black Box

Corporation.

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

trademark owners.

VIDEO CCTV-A/V HUB

Contents

Chapter Page

1. Specifications ............................................................................................. 5

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

3. Installation .................................................................................................. 9

3.1 Installing a Single Hub ....................................................................... 9

3.2 Typical Applications ......................................................................... 14

3.3 Installing a Hub in a Daisychain or Cascade ................................... 15

4. Troubleshooting ...................................................................................... 17

4.1 Common Concerns ........................................................................... 17

4.2 Calling Black Box .............................................................................. 18

4.3 Shipping and Packaging ................................................................... 18

CHAPTER 1: Specifications

1. Specifications

Cable Required: Between hub and baluns: Unshielded twisted pair (UTP):

Construction standard: Category 3 or higher;

Gauge: 24 AWG or lower;

Core: Solid;

Termination: RJ-45 plugs;

Pairs: Number needed depends on baluns (see balun

manuals); cable with four pairs (eight wires) can support

all balun models;

Impedance: 100 ohms at 1 MHz;

Maximum capacitance: 20 pF/ft. (6.1 pF/m);

Maximum attenuation: 6.6 dB/1000 ft. (2 dB/km) at

1 MHz;

To attached devices: Depends on baluns (see balun

manuals)

Compliance: CE (EN 55022); FCC Class A, IC Class/classe A;

CISPR Pub. 22 Class B

Video Support: S-Video; NTSC or PAL composite (baseband) video

Transmission: Transparent to users (automatic, no delay)

Required Source

Impedance: Video OUT: 75 ohms;

Audio OUT (if any): 600 ohms maximum

Required Destination

Impedance: Video IN: 75 ohms;

Audio IN (if any): 600 ohms minimum

Hub Impedance: Video IN and video OUT: 100 ohms balanced;

Audio IN: 10 kiloohms minimum balanced;

Audio OUT: 600 ohms balanced

Bandwidth (3 dB): Video: DC to 8 MHz;

Audio: 50 Hz to 16 kHz

Maximum

Differential

Input and Output: Video: 0.55 volts peak-to-peak;

Audio: 0.5 volts peak-to-peak

VIDEO CCTV-A/V HUB

Differential

Insertion Loss: Video: 0 dB maximum at 4 MHz;

Audio: 1 dB maximum at 1 MHz

Video Return Loss: 24 dB minimum

Common-Mode

Rejection: Input balanced, output unbalanced;

Video: Greater than 40 dB over the frequency range;

Audio: Greater than 60 dB over the frequency range

Crosstalk Immunity: 60 dB minimum over the frequency range

Maximum

Distance: Total end to end, from source device through hub(s) to

destination device, over good CAT5 cable (assuming A/V

source outputs signal at normal strength):

Black & white composite video: 2500 ft. (762 m);

Color composite video: 2200 ft. (671 m);

S-Video: 1000 ft. (305 m)

Indicator: (1) Front-mounted power LED

Connectors: (10) RJ-45 female:

(1) rear-mounted for input;

(1) rear-mounted for looping output;

(8) front-mounted for regular output;

(1) Rear-mounted 5-pin DIN female power inlet

RJ-45 Pins Used: All: Pin 1 is audio 1 ring, Pin 2 is audio 1 tip, Pin 3 is audio 2

ring, Pin 4 is video 2 ring, Pin 5 is video 2 tip, Pin 6 is

audio 2 tip, Pin 7 is video 1 ring, and Pin 8 is video 1 tip

Temperature

Tolerance: Operating: 32 to 131˚F (0 to 55˚C);

Storage: -4 to +185˚F (-20 to +85˚C)

Humidity

Tolerance: Up to 95% noncondensing

Enclosure: Aluminum

CHAPTER 1: Specifications

Power: From utility-power (mains) outlet to power inlet, through

detachable external power supply:

Input: 100 to 250 VAC at 50 or 60 Hz (autosensing), up to

700 mA;

Output: +5 VDC at up to 4 A; +12 VDC at up to 1 A;

-12 VDC at up to 0.6 A;

Consumption: 5 watts maximum

Size: 1.3"H x 8.5"W x 4"D (3.3 x 21.6 x 10.2 cm)

Weight: Hub chassis: 1 lb. (0.5 kg);

Power supply 1.5 lb. (0.7 kg)

VIDEO CCTV-A/V HUB

2. Introduction

The Video CCTV-A/V Hub distributes one or two S-Video or baseband video

signals and one or two audio signals to be distributed to up to eight destinations on

unshielded twisted-pair (UTP) cable for more cost-effective and versatile cabling.

When used in conjunction with any of several of our video baluns (such as

product codes IC440A, IC441A-R2, IC444A, IC446A, and IC447A), the Video

CCTV-A/V Hub eliminates the need to run expensive coaxial cable or audio cable

between the audio/video (A/V) source and destination devices. You can run UTP

cable instead, which is already wired into most commercial sites, to distribute audio

and video signals to multiple locations. For even greater versatility, a looping

output allows the source input to be distributed to additional daisychained or

cascaded hubs.

You can connect a set of the Video CCTV-A/V Hub’s RJ-45 jacks to your site’s

structured cabling through a modular wall jack in the work area. The video and

audio twisted pairs are independent of each other; it’s not necessary to use all of

them in a given application, and it’s not necessary for all signals to be transmitted

in the same direction. The hub is designed for one-to-many point-to-point

configurations; further expansion through cable tapping is not supported.

The hub is designed for use with CCTV cameras and monitors, videocassette

recorders, camcorders, switchers, multiplexors, and other baseband or S-Video

audiovisual devices. Use it in applications such as CCTV security and surveillance,

classroom audio/video instruction, corporate audio/video presentations, and

trade-show demonstration systems.

Here are some of the useful features of the hub:

• Distributes CCTV and A/V to multiple destinations over twisted pair, creating

a centralized cabling system that replaces costly and bulky coax.

• Standard modular RJ-45 connections for quicker moves, adds, and changes.

• Supports S-Video and NTSC and PAL composite video

• Color transmission over as much as 2200 feet (671 m) of CAT5 between the

source and destination.

• Supports up to 2 video and 2 audio channels.

• Integrates seamlessly with many IC440 series baluns.

• Supports looping output to daisychain or cascade to other hubs.

• Rubber stand-offs for desktop placement.

CHAPTER 3: Installation

3. Installation

3.1 Installing a Single Hub

To install a Video CCTV-A/V Hub that isn’t daisychained or cascaded with any

other devices, follow the steps below.

CAUTION!

Do not attempt to open the housing. There are no user-serviceable parts

inside the Video CCTV-A/V Hub.

To avoid electrical interference, keep your equipment, baluns, and

cables away from neon or fluorescent lights, generators, electric

motors, high-voltage lines, and other sources of high-voltage or high-

frequency electromagnetic signals.

Keep in mind that video and audio 1 form one set of signals, while

video and audio 2 form another set.

1. The Video CCTV-A/V Hub is polarity sensitive and works in conjunction with

many of our IC440 series video baluns. If you want to use the hub with baluns

that have an opposite signal polarity, you’ll need to reverse the signal polarity

of the cabling between the hub and the baluns (that is, cross-pin it). Make

sure, however, that the pinout of any balun you use with the hub has the same

pinout as the hub. (A table that shows the hub’s pinout is printed on the

hub’s rear panel.)

2. Connect the appropriate video baluns to the audio/video source and

destination devices, following the directions in the baluns’ manual. Run the

appropriate patch cables from the baluns to your site’s twisted-pair cabling

system.

The hub supports up to two video and two audio channels. So the hub will

work with the:

• Video Balun (IC440A);

• Video Stereo Audio Balun (IC441A-R2);

• CCTV Video Balun (IC444A);

• Dual Audio/Video Balun (IC446A); and

• S-Video Balun (IC447A).

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