Bosch LTC 8555 Manual de instrucciones descargar pdf (Pagina 20)

Bosch Security Systems | December 8, 2004

LTC 8100, LTC 8200, LTC 8300 Series | Instruction Manual | Installation Procedure

Figure 5 Satellite Concept Configuration

6.9.1 Satellite Site Trunk Line Monitor Outputs

At each of the remote satellite sites, a desired number of

monitor outputs from the switcher must be assigned as

trunk lines. The number of trunk lines can range from

1 to the maximum number of monitor outputs provided

by the switcher. Note that the number of trunk lines

coming from a satellite site determines the maximum

number of cameras from that site that may be viewed

simultaneously at the main site. If operators will be

stationed at the satellite site, they should be prevented

from accessing the monitor outputs designated as trunk

lines. This can be accomplished via the Monitor

Lockout tables in either the LTC 8059/00 MCS for

Windows or the LTC 8850/00 GUI software (see below).

6.9.2 Main Site Trunk Line Video Inputs

At the main site, video trunk line connections coming

from each of the remote site(s) should be connected (and

properly terminated) using an available video input at

the main bay. There are no programming restrictions

concerning their connections, but a sense of order can

be maintained if a group of video inputs are used at the

upper end of the system’s designed capacity. This allows

the main system to be more easily expanded in the

future with additional local cameras or trunk lines. As

an example, assume that there are a total of 8 trunk lines

coming from all satellite sites which will be connected to

a main site system designed for 32 inputs. Inputs 25 to 32

can be reserved for the trunk lines, leaving inputs 1 to 24

for local camera connections. If there will be no local

camera inputs, the trunk lines can start at the first video

input.

6.9.3 Control Data Lines in Satellite Systems

Each satellite site must be provided with an Allegiant

biphase control data line coming from the Signal

Distribution located at the main site. The Signal

Distribution unit is an integral part of the LTC 8100,

LTC 8200, and LTC 8300 Series. This data line carries

all pan/tilt/zoom control commands, in addition to the

switching commands generated by the main site switcher.

The control data line should be connected to an

LTC 8780 Series Data Converter unit, which provides

address decoding functions for the satellite site. An

LTC 8780 Series is required at each satellite site, and

must be given a unique site address number.

If operators stationed at the satellite site are permitted to

control pan/tilt/zoom-equipped cameras, an LTC 8569

Series Code Merger unit must be installed at the satellite

site. The Code Merger combines code generated by the

main site and the satellite sites so both sites have control

over pan/tilt/zoom-equipped cameras at the satellite site.

The LTC 8780 Series can then be connected to one of the

data outputs of the LTC 8569 Series unit.

6.9.4 Satellite Site Programming Requirements

The optional LTC 8059/00 MCS for Windows or the

optional LTC 8850/00 GUI software is required to

properly program a satellite system.

Programming the satellite sites is usually limited to

designating their logical camera numbers to appropriate

values via the Camera ID table of the MCS or GUI

software.

Note that no duplicate camera numbers are permitted

anywhere in the system. Allegiant logical camera

designations can be renumbered to any four-digit number

on the LTC 8100, LTC 8200, LTC 8300 Series, LTC 8600

Series, LTC 8800 Series, or LTC 8900 Series systems, and

any three-digit number on LTC 8500 systems.

Few other restrictions exist. These camera numbers are

the numbers entered at both the satellite and the main

site keyboards when camera selections are made. On any

pan/tilt/zoom-equipped camera, this logical number must

also be entered as the receiver/driver’s site address

number.

Central

Control

Station

Video and

Data Links

S9507002AE

Satellite

Sysem

Satellite

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Satellite

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Satellite

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Bosch LTC 8555 Manual de instrucciones Pagina 20

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