What are PSTN modules and why are they important?

PSTN communication modules (Public Switched Telephone Network) are analog dialers that allow the alarm system to send alarm signals through a traditional telephone line. Thanks to them, the system can use the communication redundancy – e.g. as a backup notification track in case of main path failure (GSM, IP).

Advantages of using PSTN modules in alarm systems

• Redundant communication channel: PSTN can act as an alternative to GSM or IP, providing reliability in case of problems with the mobile or Internet network. {index=0}
• Simple and proven track: The analogue telephone line is widely available and easy to integrate with existing infrastructure. {index=1}
• Alarm station monitoring: The PSTN module can send event codes to the monitoring station, which ensures the continuity of the security. {index=2}
• Voice notification: Some modules allow the transmission of voice messages – e.g. informing the user of the alarm by phone. {index=3}

What to pay attention to when selecting PSTN module?

• Compatibility with the main module: The PSTN module should be designed to work with a specific communicator/central module (e.g. GSM-X). {index=4}
• Power consumption: Check power requirements – multiple modules run on 12 V DC. :contentReference[oaicite:5]{index=5}
• Operating mode: Make sure the PSTN module can run in parallel with another track (e.g. GSM) or as a backup track. :contentReference[oaicite:6]{index=6}
• Operating temperature: Ensure that the installation conditions are within the range specified in the manufacturer’s specification. {index=7}
• Installation: The PSTN module is typically small in size (e.g. about 61×51 mm for GSM-X-PSTN), which allows easy installation in the central or communicator housing. {index=8}

Examples of PSTN modules / related modulators

• **:contentReference[oaicite:9]{index=9}** — Universal GSM-L TE module with possibility of expansion with PSTN thanks to dedicated GSM-X-PSTN module. **:contentReference[oaicite:10]{index=10}** — LTE / GPRS communication module, which in conjunction with PSTN can provide a redundancy of communication. **:contentReference[oaicite:11]{index=11}** — A classic GPRS communication module; it can be combined with analog tracks, depending on system architecture. **:contentReference[oaicite:12]{index=12}** — A small alarm module with cellular communication — in the system you can add the PSTN track through the corresponding dialer. **:contentReference[oaicite:13]{index=13}** — Audio module for sending alarm sounds; in configuration with PSTN allows verification by phone. **:contentReference[oaicite:14]{index=14}** — Acoustic terminal, cooperating with INT–AV and PSTN tracks for two-way audio verification. Additionally: - **GSM-X-PSTN (Satel):** Extension of the GSM-X track with analogue telephone line PSTN. :contentReference[oaicite:15]{index=15} - **INT–VMG (Satel):** Voice module generating voice messages after alert. :contentReference[oaicite:16]{index=16}

Benefits of buying PSTN modules in MikaShop

• Reliability and redundancy: Thanks to the PSTN module, your alarm system has an additional communication track, which increases notification reliability.
• Installation flexibility: You can expand existing systems (e.g. GSM-X) with an analog track without having to change the whole control panel.
• Technical support: We help you select the appropriate PSTN module depending on the control panel and installation needs.

Most common questions (FAQ)

Does PSTN work independently?

No – the PSTN dialer (e.g. GSM-X-PSTN) must cooperate with the main module (e.g. GSM-X) that supports its signals. :contentReference[oaicite:17]{index=17}

Where to install the PSTN module?

It is usually mounted in the control panel housing or inside the GSM-X communicator using the telephone line wires. :contentReference[oaicite:18]{index=18}

Can I use PSTN as a backup channel?

Yes – many configurations allow you to set the communication priority: e.g. first GSM, and in case of failure switching to PSTN. :contentReference[oaicite:19]{index=19)