ZyXEL Communications Omni 288S Manual do Utilizador descarregar pdf (Página 17)

novaPro32 Routel

Routel set-up

7000991003 Q2

Sauter Systems

Save your settings with ‘Save As...’. Enter a file name of your choice (e.g. the name of

the island).

Then program an EPROM (EPROM 1Mb SBA order number 0385902000) using the

‘Galep’ programmer or similar. Fit this EPROM to the power transformer side of the

Routel.

Special tips

1. Routel without customised EPROM

It is possible to set up a Routel island without customising an EPROM. The default

settings within the EPROM, as delivered from SBA, are OK to control a ZyXel or

Olitec modem. The telephone number in this case should be programmed into the

modem (place 0, activated with ATDS=0).

Project-ID and ASNet-ID are sent to the Routel from the PC when it calls to initialise

the addresses. This set-up will functioning as long as there is no power failure on

the Routel (...UPS).

There is no blacklisting prevention active (cf. below).

2. ISDN, GSM, radio modem etc.

The Routel supports any type of switched DCE (data communication equipment)

such as ISDN terminal adaptor, GSM phones, radio modem, etc) as long as it is

controlled with string commands. Refer to the relevant manuals in order to find the

appropriate ‘Init string’ and ‘Dial string’.

3. DTE speed

It is important to ensure that the modem is not in a mode where its baud rate on the

COM port follows (auto-adapting) the baud rate on the telephone line. If the modem

changes the DTE speed in this way, the Routel, which has a fixed DTE speed, is

not able to communicate with the modem any more.

The following parameters prevent the adaptation of the DTE speed:-

ZyXel: No particular command required. It's OK per default

3COM: The Init command "AT&F1S0=1" (instead "AT&F0S0=1")

Olitec: The Init command "AT&FS0=1&WZ" (instead "AT&FS0=1")

4. Blacklisting

The law in some countries requires the modem to blacklist telephone numbers that

are dialled to frequently with no subsequent connection (free of charge). The

modem therefore automatically blacklists those numbers (e.g. when the same

number is called more than 5 times in 15 minutes with no answer).

To avoid blacklisting, the dial sequence (see above) shoulg be set conservatively

enough to follow the country's rules.

Another way to cope with blacklisting is to add (illegal?) commands to the modem

strings which disable its blacklisting function:-

ZyXel: Use the US modem firmware from www.zyxel.com

3COM: The Init command "AT&FS0=1S40.1=0"

Olitec: The dial string "AT%X3D[phone number]<"

For more information about blacklisting, refer to www.wahlsperre.de.

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