User`s manual

3.2. Connecting an external antenna

Konektory ant

Use the SMA antenna connector to connect

either the entire antenna or the cable of an external

antenna you have installed in a place with a good GSM

signal. The antenna should be in a vertical position.

The parameters of the antenna and cable are quoted

in Technical parameters. Tighten the antenna

connector lightly with your hand, do not use a wrench!

For signal strength see 6.4.3.

Note: Models with one a GSM module have just

one connector for one external antenna.

3.3. Setting and installing the SIM card

Provider selection, SIM card type

For the function of the ISDN GSM gateway you

need a SIM card of a GSM provider working in the band

of 900 MHz,1800 MHz / 850 MHz and 1900MHz. 2N

GSM ISDN GATEWAY Lite with SIM cards, which are

supported by Siemens mobile telephones and

equipment. To make sure that your provider‘s SIM card

is supported by the ISDN GSM gateway, try to use this

SIM card in a Siemens mobile telephone (C35, e.g.).

Blocking entering PIN (optional)

The ISDN 2N

GSM ISDN GATEWAY Lite is set for entering PIN automatically by the

manufacturer. You may block entering PIN in your SIM card (by means of a mobile phone where

you insert your SIM card for this operation). If you do so, it does not matter how the ISDN GSM

gateway is programmed or if there is a PIN in its memory or not. If you do not do so, the ISDN

GSM gateway will require entering PIN after the first switching on by lighting the signalling LED’s.

If you enter the correct PIN, it will store it in its memory and enter it automatically after that.

Note: If a SIM card with active PIN is inserted and the PIN is not entered, the GSM module LED

flashes 1:1 in red.

PIN is entered from an ISDN phone (connected to the ISDN GSM gateway), see later, or

using the ISDN GSM configuration program (connected to the ISDN GSM gateway), see

6.4.2:

PIN (PUK) entering from ISDN telephone*:

To enter PIN:

Procedure Description of steps

Pick up the earpiece, dial the service prefix (default ),

dial (PIN entering service).

or Press or to select GSM 1 or GSM 2 module.

Enter the PIN. If it is shorter than eight digits, then press to

quit.

Re-enter the PIN.

Fig.3: Connecting an external

antenna