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50 ATS Designers Guide

A serial port emulator is supplied together with the ACA300. Using the program enables

the use of a network card for communications with the TITAN

software, which only uses

serial ports for communications.

3.3.4 Modem connection

The control panel communicators are equipped with a modem, which can be used for

service communications, and for system programming. Using the inbuilt communication

methods is limited by the small bandwidth, which excludes them from being used for

system monitoring. Apart from that, it is the main reporting route to the CS station. As a

result, blocking it for longer periods of time is not good practice.

The ATS system can be equipped with additional communications equipment that

provides additional reporting channels. By design all communication routes for event

reporting are equal. The same holds true for data transmissions.

Table 3-20 Equipment and connection parameters for a modem connection.

Communication

channels

Expansion Bandwidth

PSTN None 300bps

ISDN ATS7100 300bps

GSM ATS7300 1200bps

All channels support connections in two modes:

• Multi-ring – the control panel responds to a connection attempt after a given number

of rings and tries;

• Call-back – the control panel calls back a pre-programmed number after a given

number of rings and tries;

Both modes are available on demand, or according to a pre-programmed connection

schedule.

3.4 Control Panel Network

In cases when, due to any circumstances, one control panel is not enough to fill the

requirements of the system, a network of control panels can be created by connecting

them to a common computer system, equipped with system management and monitoring

software. One computer system can support 64 control panels at the same time. Using

time-limited connections, the TITAN software can support up to 1024 control panels, but

at the same time only 64 control panels can be communicated with.

The basic control panel network configuration is the direct connection using the RS485

interface with the same communication parameters as the system bus. Using the

available system bus accessories, a system bus branch is connected to the computer’s

serial port. Up to 16 control panels can be connected to the branch.

Table 3-21 Advisor MASTER control panel parameters.

Parameter Value

Number of connections (ports) 16

Number of control panels with active

connection.

Number of control panels connected to

one port (max.)

Number of control panels in one TITAN

system

1024

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 82 83

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Aritech ATS4000 Manual de servicio Pagina 50

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