Configuring Modems

To configure a GSM or PSTN modem:

  1. Scroll to MODEMS and press SELECT.

  2. Toggle between PRIMARY and BACKUP for correct modem slot and press SELECT.

    The ENABLE MODEM option is displayed.

  3. ENABLE or DISABLE the modem as required.

  4. Scroll to MODEM STATUS, SIGNAL LEVEL, TYPE, and FIRMWARE VERSION then press SELECT to view details of the modem.

  5. Configure the following modem settings from the menu as follows and press ENTER after each selection:

Menu Option

Description

COUNTRY CODE

Select a country from the list.

GSM PIN

(GSM modem only) Enter a GSM PIN for the SIM card.

ANSWER MODE

Select to select the mode in which the modem answers incoming calls: NEVER ANSWERS or ALWAYS ANSWERS.

ANSWER ENG. ACC.

Select ENABLE to only answer when engineer access is granted.

SETUP SMS

Select ENABLE SMS to enable SMS for this modem.

PSTN modem only

Select SMS SERVER to enter an appropriate phone number of the SMS service provider that is accessible in your location, if required. This number automatically displays the default number for SMS for the country selected.

To manually test SMS, select TEST SMS and enter the SMS NUMBER.

To automatically test SMS at specific time intervals, select

AUTOMATIC TEST, select a TEST INTERVAL and enter the SMS NUMBER.

PREFIX DIALLING

PSTN modem only

Enter a prefix number to include before the SMS number, if required.

LINE MONITORING

PSTN modem

Enable this feature to monitor the voltage of the line connected to the modem.

GSM Modem

Enable this feature to monitor the signal level from the GSM mast connected to the modem.

MODE or TIMER

MODE - Select a monitoring MODE (DISABLED, ALWAYS ON, FULLSET). The FULLSET option only enables this feature while the system is Fullset.

TIMER - Enter the number of seconds for the monitoring TIMER (0–9999 sec).

Note: EN 50131-9 Confirmation configuration
In order for EN50131-9 Confirmation to operate correctly, line monitoring must be enabled. (See System Options.)

USSD

GSM Modem only

Enter the Unstructured Supplementary Service Data (USSD) code for your service provider in order to enable SMS-free credit checking for Pay As You Go SIMs. Note: This feature is not universally available. Please check with your service provider.

CHECK SIM CREDIT

Enable this feature to receive information on remaining credit balance for Pay As You Go SIMs (where available from your service provider).
NETWORK MODE GSM (4G) only

Select the signal type that you wish to the modem to use:

  • 2G Only This option enables connection to 2G networks only.

  • 4G only This option enables connection to 4G networks only.

  • Search 4G First This option forces the modem to connect to 4G networks where available. If 4G is not available, the modem connects to 2G.

 

 

GSM Modem only

If SMS enabled and an incorrect PIN is sent to the SIM card three times, the SIM is blocked. In this case, Vanderbilt recommend that the SIM is removed and unblocked using a mobile phone. If the SIM is changed on the GSM module or if a SIM is used with a PIN, Vanderbilt recommend that the PIN code is programmed before the SIM is placed in the SIM holder. This ensures that incorrect PINs are not sent to to the SIM. All power should be removed (AC mains and battery) when loading the SIM card into the SIM holder.