Digital Security Controls PC1575 Manual de instalación descargar pdf (Pagina 83)

4.8 Program Configuration

When selected from the Main Menu, the screen will display the way you have

configured the DLS-1 software. Use the arrow keys to move the selector bar over the

items you wish to change and press the [Space] to select the values. When changes

are complete, press [ENTER] to return to the Main Menu. You will be asked if changes

are to be saved; press [Y] to save the changes or press any other key to return to the

Main Menu without saving the changes.

The program will check the modem port for a proper communication link each time

the configuration mode is exited (unless you press [ESC]). If there is a problem

configuring the modem, an error message will appear. Press [Y] when prompted for

help. If the error message appears, exit the program and fix the error before

continuing, as no uploading or downloading can be done if the modem connection

is not correct.

Information on the following system variables is shown:

Modem Port - COM1, COM2, COM3 or COM4

Several different implementations of ports 1, 2, 3 and 4 are available, depending on

the serial communication's board manufacturer. DLS-1 supports only those

implementations which share interrupt request line 4 (IRQ4) with ports 1 and 3, and

which share interrupt request line 3 (IRQ3) with ports 2 and 4. Select the correct port

to which your modem is connected. If an error message reports that the modem is not

present, try changing this parameter. For internal modems try COM2 or COM4 and

for external modems, try COM1 or COM3.

NOTE: Do not use COM2 if COM1 does not have a devise connected to it, or if COM1

has a Plug and Play Modem connected to it.

Parallel Printer Port - LPT1, LPT2 or LPT3

Select the correct port to which the printer is connected. LPT is for parallel printers

only.

Dialing Method - DTMF or PULSE

Select either the tone (DTMF) or pulse method for the modem to use when dialling out.

If in doubt, or if your telephone line is not capable of tone, select pulse (DTMF is widely

accepted, however some areas still operate with pulse dialling).

Dialing Condition - Wait for Dial Tone or Blind Dial

If you choose Wait for Dial Tone, then whenever the modem goes off-hook, before it

dials, it will wait a predetermined amount of time for the dial tone to be present. If the

dial tone is not present, you will be advised by a beep from the computer, and a

message on the screen. In cases where dial tone is not present, (such as cellular

phone systems) it is necessary to dial without waiting for the dial tone. This is called

“Blind Dialing”, because the modem will simply go off-hook without first checking for

the presence of a dial tone, and immediately dial the phone number.

NOTE:

Blind Dialing should only be used in cases where dial tone is not required,

because if the number is dialed before the dial tone is given on a normal phone line

system, the call may not be placed correctly, because some of the digits will be

missed by the switching network.

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Digital Security Controls PC1575 Manual de instalación Pagina 83

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