16 Accessing web server remotely
This chapter covers:
16.1 PSTN connection 249
16.1 PSTN connection
PSTN Connection
1 Remote PC with browser
2 PSTN modem
3 PSTN network
4 Telephone line
5 PSTN modem
6 SPC controller
The web server on the controller can be accessed via a remote connection over a PSTN telephone line.
A PSTN module and a PSTN line must be connected to the controller as shown above to provide remote
access to the controller.
On the remote side of the connection the user must have a PSTN modem installed on a PC with access
to a PSTN line.
To connect remotely to the controller:
1. Install a PSTN modem on the controller (see the corresponding installation instruction).
2. Connect the phone line to the A/B screw terminals on the connector at the top of the modem.
3. Enter Engineer programming from the keypad and configure the modem (primary or backup) to
answer an incoming call.
4. On the keypad, scroll to Full Engineer Mode > Comms > Modems.
5. Select the following settings:
- Enable Modem: Set to enabled
- Type: Displays the type of modem (PSTN)
- Country Code: Select the relevant country code (Ireland, UK, Europe)
- Answer mode: Select numbered rings; this tells the modem to wait for a number of rings before
answering the incoming call
- Modem Rings: Select the number of rings to allow before answering the call (8 rings max)
6. Create a dial-up connection on the remote PC using the phone number of the telephone line
connected to the PSTN module on the controller. The instructions to do this on Windows XP
operating system are listed below.
On Windows XP:
1. Open the New Connection Wizard by browsing to Control Panel > Network Connections >
Create New Connection (in the Network Tasks page).
2. On the Network Connection Type page, select Connect to the Internet.
3. On the Getting Ready page, choose Setup my connection manually.
© Vanderbilt 2023 249 I-200572
08.12.2023
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