DSC Impassa compatible peripherals

Impassa is a self-contained wireless control panel platform in the 433 MHz family, built for compact residential and light-commercial deployments. Official source Product page: DSC Impassa SCW9055/SCW9057 (ID 1385)Man...

Overview

Impassa is a self-contained wireless control panel platform in the 433 MHz family, built for compact residential and light-commercial deployments.

Official source

Platform highlights

  • Self-contained all-in-one architecture
  • 433 MHz wireless ecosystem
  • Up to 64 wireless zones
  • 2 hardwired zone inputs
  • User credentials: 16 user codes plus Master code
  • Peripheral support: up to 4 WT5500 keypads and 16 WT4989 wireless keys

Model and communicator variants

VariantCommunicator module
D (e.g. SCW9057D-433)TL2553G — 3G + Ethernet (primary or backup)
G (e.g. SCW9055G-433)3G2055 — 3G cellular
I (e.g. SCW9055I-433)TL255 — Ethernet/IP

SCW9057 difference

SCW9057 adds 2-way audio support for installations that require voice interaction workflows.

Compatible Peripherals

Wireless 433 MHz ecosystem

DeviceLimitEnrollment
WT5500 keypadUp to 4[898] wireless enroll
WT4989 wireless keyUp to 16[898]
WT4901 / WT4911 sirensPer manualEnroll before sensors in recommended order
WT4xxx sensorsUp to 64 wireless zones[898] + placement test [904][907]

Communicator variants (panel SKU suffix)

SuffixModulePath
DTL2553G3G + Ethernet
G3G20553G cellular
ITL255Ethernet/IP

Hardwired / outputs

  • 2 hardwired zone inputs
  • 2 PGM outputs at 50 mA each — budget external devices

Not compatible

  • PowerG PG9xxx sensors
  • Neo HS2 keypads
  • PowerSeries PK5500 / RF5132 modules