DSC Sur-Gard - System II Single-Line IP Receiver

DSC · Communicators · Error codes · Troubleshooting · Compatibility · Installation

On this page
  1. Overview
  2. Error Codes
  3. Troubleshooting
  4. Compatible Peripherals
  5. Installation Notes

Overview

Sur-Gard SG-System II single-line IP receiver is installed at the central station to accept IP alarm signals from panel communicators — it does not mount on end-user alarm panels.

Reporting path

Central station IP receiver (not a panel module)

At a Glance

DetailValue
Product typeAlarm communicator / reporting module
Model family (SG-System II)See label and install manual
Reporting pathCentral station IP receiver (not a panel module)
Primary manualSG-System II Quick Install Guide
Region / listing notesCentral station equipment

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

  • SG-System II Quick Install Guide — DSC official documentation

Error Codes

Sur-Gard System II IP receiver (central station)

This is a central-station receiver, not a premises communicator. Faults appear in receiver software, not panel [*, 2].

Receiver statusMeaning
Line offlineIP path or receiver service down
Account unknownPremises communicator not enrolled on receiver

Panel FTC and alt-comms troubles apply to the host communicator, not this accessory — see the communicator listing for full trouble tables.

Source: SG-System II Quick Install Guide (DSC official documentation).

Code / displayMeaningWhat to do
Receiver statusMeaning
Line offlineIP path or receiver service down
Account unknownPremises communicator not enrolled on receiver

Troubleshooting

Sur-Gard receiver service

  • Premises TL250/TL300/TL880 FTC often traces to receiver-side account or IP whitelist — check Sur-Gard config first.
  • Single-line IP receiver capacity limits may reject new accounts — verify licensing with monitoring provider.

For panel reporting faults (FTC, alt-comms), troubleshoot the host communicator module paired with this product — not this accessory alone.

Source: SG-System II Quick Install Guide.

Compatible Peripherals

This page lists which alarm panels and related equipment work with this communicator — not wireless sensors or keypads.

Host panels & systems

This product does not mount on end-user alarm panels — see Related accessories below.

Related accessories

  • Receives from: T-Link TL250/300, TL300 universal, panel IP modules, compatible IP senders
  • Sur-Gard monitoring software at central station

Not compatible

  • End-user panel installation (this is a receiver, not a communicator module)
  • Replacing a panel-mounted TL280 or GS2060

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: SG-System II Quick Install Guide (DSC official documentation).

Installation Notes

Follow SG-System II Quick Install Guide for wiring, mounting, enrollment, and receiver programming. Summary below — not a substitute for the full manual.

Pre-install checklist

  • Match communicator SKU to host panel family (see compatible-peripherals.md).
  • Plan mounting location — metal cabinets, underground rooms, and long coax runs affect cellular/IP performance.
  • Reserve panel bus power or external power per manual; update battery calculation chart.
  • Confirm monitoring account and receiver are provisioned before final test.

Typical install sequence

  1. Mount communicator (or PCL-422 remote mount if used) per manual clearances.
  1. Wire power and data: Corbus/Keybus homerun, dialer Tip/Ring, or Ethernet as applicable.
  1. Enroll module in panel programming (Neo/Pro [902], PowerSeries alt-comms section, IMPASSA [382]/[401] as applicable).
  1. Program reporting codes, account, and path priority (primary/backup for dual-path).
  1. Register with central station / Alarm.com / T-Link receiver.
  1. Run end-to-end communication test and document signal levels.

Regional notes

Central station equipment

Source: SG-System II Quick Install Guide (DSC official documentation).

Open the manufacturer manual