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
- Product page: DSC Internet Alarm Communicator (ID 1390)
- TL255 Install Manual; 3G2055 v3.0 Installation Manual — DSC official documentation
Compatible Peripherals
This page lists which alarm panels and related equipment work with this communicator — not wireless sensors or keypads.
Host panels & systems
| Host system | How it connects |
|---|---|
| IMPASSA SCW9055 / SCW9057 (433 MHz) | Integrated alt-comms — I=TL255 IP, D=TL2553G dual, G=3G2055 cellular |
Related accessories
- WT5500 / WT5500P wireless keypads (same system)
- Activated SIM (3G/G variants) or LAN path (I/D variants)
Not compatible
- PowerSeries Keybus panels
- Neo Corbus communicators (TL280/TL880)
- Universal 3G4010/LE4000 standalone units
Central station / receiver notes
Universal and T-Link products require a monitoring receiver that accepts the communicator's protocol and supervision. Confirm with your central station before install.
Source: TL255 Install Manual; 3G2055 v3.0 Installation Manual (DSC official documentation).