Overview
TL255 (Ethernet) and 3G2055 / TL2553G (3G) are alternate communicators for IMPASSA SCW9055/9057 self-contained systems. They integrate inside IMPASSA I, D, or G model configurations.
Reporting path
Ethernet and/or 3G cellular (IMPASSA I/D/G variants)
At a Glance
| Detail | Value |
|---|
| Product type | Alarm communicator / reporting module |
|---|
| Model family (TL255, 3G2055, TL2553G) | See label and install manual |
|---|
| Reporting path | Ethernet and/or 3G cellular (IMPASSA I/D/G variants) |
|---|
| Primary manual | TL255 Install Manual; 3G2055 v3.0 Installation Manual |
|---|
| Region / listing notes | 433 MHz IMPASSA — match communicator to SCW9055/57 letter suffix (I/D/G) |
|---|
Before You Install or Replace One
- Confirm exact model number on the communicator label matches the install manual.
- Verify host panel family — Keybus PowerSeries, Neo Corbus, MAXSYS Combus, IMPASSA integrated, or universal dialer-capture are not interchangeable.
- Confirm monitoring receiver and account accept this communicator format (Contact ID, SIA, IP, cellular).
- Check carrier/network generation (3G sunset, LTE band, Ethernet path) for your region.
- Add communicator current draw to panel battery standby calculation where the module loads from panel bus power.
Official Sources
- TL255 Install Manual; 3G2055 v3.0 Installation Manual — DSC official documentation
Help Sections
Error Codes
Internet and HSPA Dual-Path Alarm Communicator Error Codes
Troubleshooting
Internet and HSPA Dual-Path Alarm Communicator Troubleshooting
Compatible Peripherals
Internet and HSPA Dual-Path Alarm Communicator Compatible Panels & Accessories
Installation Notes
Internet and HSPA Dual-Path Alarm Communicator Installation Notes
FAQs
Internet and HSPA Dual-Path Alarm Communicator FAQs