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
| Detail | Value |
|---|
| Product type | Alarm communicator / reporting module |
|---|
| Model family (SG-System II) | See label and install manual |
|---|
| Reporting path | Central station IP receiver (not a panel module) |
|---|
| Primary manual | SG-System II Quick Install Guide |
|---|
| Region / listing notes | Central 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 status | Meaning |
|---|
| Line offline | IP path or receiver service down |
|---|
| Account unknown | Premises 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 / display | Meaning | What to do |
|---|---|---|
| Receiver status | Meaning | |
| Line offline | IP path or receiver service down | |
| Account unknown | Premises 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
- Mount communicator (or PCL-422 remote mount if used) per manual clearances.
- Wire power and data: Corbus/Keybus homerun, dialer Tip/Ring, or Ethernet as applicable.
- Enroll module in panel programming (Neo/Pro
[902], PowerSeries alt-comms section, IMPASSA[382]/[401]as applicable).
- Program reporting codes, account, and path priority (primary/backup for dual-path).
- Register with central station / Alarm.com / T-Link receiver.
- 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).