The Smarter Way to Upgrade Alarm Monitoring Systems
By Andrew Erickson
September 22, 2025
Upgrading an older fire alarm monitoring system may sound simple - until you're the one responsible for actually doing it.
At first, someone will start the conversation: "We've got to replace this legacy panel. It's over 25 years old."
Eventually, it turns into an exploratory project. You reach out to a dealer, or maybe a systems integrator. You're hoping for a quick fix or a plug-and-play replacement.
All you end up with is complexity, compliance requirements, and a cost structure that can quickly grind the upgrade process to a halt.
If you're navigating this exact situation, you are absolutely not alone. Let me show you a smarter, more financially manageable way forward.

Replacing Old Alarm Systems Is Painful and Expensive
Fire alarm monitoring equipment is one of those categories that gets installed, tested, and often forgotten - until it stops working or comes up against legacy/compliance problems.
Many facilities still rely on aging infrastructure:
- Fire alarm panels from the 1990s or early 2000s
- Serial-based communication protocols long considered obsolete
- Central monitoring equipment that's no longer supported
- Outdated printers or displays that barely function
Despite this, these systems are often kept alive well past their expected service life.
That's because replacing them is expensive and complicated.
When it's finally time to upgrade - whether because of a failure, an insurance requirement, or a modernization project - the real challenges begin to emerge.
Certain Upgrade Strategies Are Known to Stall
Whether you're working with a fire alarm contractor, an engineering firm, or a systems integrator, the upgrade process typically follows a predictable pattern:
1. Discovery Phase: "What do you need?"
The integrator or vendor (if they're any good) starts by asking you about your site and system requirements. They'll want to know:
- What type of panels do you have?
- Are they addressable or conventional?
- How many zones or buildings do you need to monitor?
- Do you need UL 864 Listing?
- Are you monitoring your own facility or outsourcing?
At this point, there's often uncertainty. Legacy systems might not be well documented, and facilities staff may not know exactly how things are wired. Plus, original installers may be long gone.
Most importantly, it's possible some of your existing gear is incompatible with modern replacement options.
2. Design Phase: "Here are your options..."
Next, you're given a few upgrade options - usually ranging from "rip and replace" to "partial integration." These designs are built around compliance, cost, and the need to minimize downtime.
Just about every vendor wants to give you a solid, modern system, but that also usually means:
- Full panel replacements
- New cabling runs
- Central monitoring software upgrades
- Operator training
And all of that means one thing: Cost.
3. Quote Phase: "Wait, how much?"
You knew this wouldn't be cheap, but seeing the actual numbers is often the moment where projects get shelved entirely. "The cure might be worse than the disease," you might say.
Unfortunately (and fortunately!), compliance with modern fire codes (UL 864, NFPA 72) is non-negotiable, especially if you're monitoring your own facility. But for many organizations, a full overhaul simply isn't in the current year's budget.
That's when the real frustration kicks in. Everyone likes what the modern system could do, but not at the price.
Keep What Works & Replace What Doesn't
If you're in this boat, consider what would happen if you didn't have to replace everything at once?
This question changes the game. It leads to more realistic upgrade paths like:
- Retaining your existing field devices and wiring
- Continuing to use older FACP hardware (as long as it still meets basic functional needs)
- Replacing only the central monitoring hardware with something new, compliant, and expandable
This approach is called a structured migration path, and it offers some huge benefits:
Lower Upfront Costs
By avoiding the all-at-once replacement model, you can upgrade your most critical systems first and phase in the rest over time.
Less Disruption
Facilities can stay online during upgrades. You don't need to rip out panels, rewire buildings, or take zones offline unless absolutely necessary.
Easier Compliance
You still get UL 864-listed equipment and NFPA 72 compliance where it counts - without replacing gear that isn't broken.
Modern Capabilities
You can still access web-based alarm management, smart filtering, event logging, and remote notification. These all help make your job easier and safer.
You can move forward without the "ouch" factor.
Digitize Helps You Get Smarter Migration Without Sacrificing Compliance
Digitize specializes in monitoring solutions for complex environments. These can include campuses, transportation hubs, military installations, and municipalities. These are places where replacing everything at once is rarely feasible.
That's exactly why products like the Prism LX Fire Alarm Monitoring System were designed to integrate, not just replace.
The Digitize approach solves common upgrade pain, including:
Backward Compatibility with Legacy Panels
Many older fire alarm systems use dry contact closures, serial connections, or legacy protocols. The Prism LX can interface with these, allowing your existing panels to remain in service while the central monitoring station is modernized.
Digitize doesn't force you to upgrade everything just to start receiving alarms. If your legacy FACP is still doing its job, we'll help you keep it in play for as long as it can perform.
UL 864 Listed and NFPA 72 Compliant
For facilities monitoring their own fire systems, compliance is critical. Prism LX is UL-864 (10th Edition) listed and helps you meet NFPA 72 standards.
This means you can modernize your central monitoring without losing code compliance. This is especially important when dealing with insurance requirements or AHJ (Authority Having Jurisdiction) inspections.
Web-Based Management with Smart Alarm Filtering
The Prism LX includes a web-based interface that supports:
- Real-time alarm visibility
- User-defined alarm filtering
- Logging and historical event reports
- Role-based access control
These are good tools for reducing alarm fatigue, identifying trends, and proving due diligence in the event of an incident.

Supports Phased Rollouts and Structured Upgrades
We know that you may need to upgrade gradually over 12-24 months - or longer. That's why systems like Prism LX support gradual expansion:
- Add new panels as budgets allow
- Keep monitoring both new and legacy zones
- Transition alarm inputs as you go
This reduces risk, spreads out costs, and gives you a predictable path forward.
Trusted by Institutions With Complex Needs
Digitize systems are in service across a wide range of high-demand environments:
- U.S. military bases
- Transit authorities
- Colleges and universities
- Municipal buildings
- Hospitals and healthcare campuses
Digitize gear is used because it delivers long-term reliability and structured upgrade paths. These devices respect your budget (including budget timing across multiple cycles), your infrastructure, and your operational demands.
Upgrade Smart at the Correct Speed
If you're currently staring at a quote that makes your CFO wince, it's time to hit pause - but not to abandon the project.
Instead, ask these questions:
- Can the new system interface with our legacy panels?
- Is a full rip-and-replace really necessary?
- Are there UL 864-listed systems that allow for phased upgrades?
- Can we modernize the core monitoring now and upgrade field devices later?
The right monitoring platform should make upgrades easier, not harder.
Digitize offers solutions that help you modernize without starting from scratch - and without overextending your budget. Whether you need a new monitoring platform today or a full site upgrade over several years, we can work with your current setup and build a path forward.
Talk to Us About Your Upgrade Plan
At Digitize, we've seen it all: legacy serial panels, mismatched zone types, discontinued gear, and site maps that haven't been updated in two decades. Our solutions were built specifically for environments like yours.
Let's take a look at your current system. We'll help you identify what you can keep, what you need to replace, and how to do it in a way that meets code without breaking your budget.
Give us a call at (800) 523-7232 or email info@digitize-inc.com to speak with a technical expert.
We'll help you turn that painful upgrade into a smart, strategic migration - one step at a time.

Andrew Erickson
Andrew Erickson is an Application Engineer at DPS Telecom, a manufacturer of semi-custom remote alarm monitoring systems based in Fresno, California. Andrew brings more than 18 years of experience building site monitoring solutions, developing intuitive user interfaces and documentation, and...Read More