Linear Access Control Installation Nationwide

Linear Access Control Installation: The Murphy Owner’s Guide

Linear access control installation in Murphy typically runs $450-$1,400 installed, depending on whether you have an existing controller, keypad, or telephone entry unit and whether the wiring is still intact. Most failed Linear boards, keypads, and card readers we see are diagnosed and replaced same day because we stock the common Linear parts on the truck. What usually brings a Murphy homeowner to this page is simple: the keypad stopped reading codes, the card reader quit recognizing fobs, or the telephone entry box went dead after a storm.

Call (469) 613-2832

If your Linear unit worked yesterday and doesn’t today, the fix is usually a single component, not a full system replacement. We swap the failed part, re-terminate the connections, test the loop, and leave you with a photo record of what came out and what went in. That’s how Adrian Vance has run every job since 2014, and it’s how we handle every Linear access control installation across Murphy.

Which Linear Models This Applies To

We work on the full Linear access control line: the AE-100 and AE-500 telephone entry systems, the AM3Plus and APeX series controllers, the AK-11 and AK-21 digital keypads, and the line of Linear card readers and proximity fobs. If you’re not sure which model you have, look at the inside of the cabinet door or the bottom edge of the keypad housing. Linear prints the model number on a small silver or white label, usually starting with two letters followed by numbers.

One compatibility gotcha we run into regularly in Murphy: older Linear AE-100 units use a 12-volt DC supply, but the AE-500 line and most APeX controllers want 24-volt DC. Hook a 24-volt board to a 12-volt transformer and it’ll power up, read cards, and die within a month. If you’re replacing a power supply or transformer along with the board, the voltage has to match the board, not the old transformer. That’s the kind of detail we check before quoting a price, because guessing wrong means you pay twice.

On the OEM versus aftermarket question: Linear’s own boards and keypads are well-built, and we stock the genuine parts for current production models. For discontinued boards, quality aftermarket equivalents from vendors we’ve vetted are sometimes the only option, and we’ll tell you that upfront before ordering. You get the part number, the manufacturer, and the price in writing before anything gets installed.

Signs Your Linear Access Control Installation Is Failing

• Keypad accepts some codes but not others. This usually points to a failing relay on the main board, not a bad keypad. The relay stops closing reliably on certain outputs, which is why the pedestrian gate works but the vehicle loop doesn’t.
• Card reader beeps but the gate doesn’t move. The reader is reading the fob fine. The problem is between the reader and the controller, typically a loose or corroded Wiegand connection. We see it after heavy rain in Murphy when junction boxes take on water.
• Telephone entry unit rings but can’t open the gate. A dead DTMF decoder chip on the AE-100 or AE-500 board means the unit hears the touchtone but never sends the open command. This is board-level, not a wiring issue.
• System works on battery backup but not on AC power. The transformer or the power supply board has failed. In Collin County’s summer heat, we replace power supplies more than any other single Linear component.
• Intermittent operation, especially after rain. Water intrusion in the cabinet or a failing ground connection. Corrosion on the terminal strip creates resistance, and resistance creates ghost faults.

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Replacement Cost & What’s Included

Here’s what Linear access control installation actually costs in Murphy, parts and labor included:

• Keypad replacement (AK-11, AK-21): $450-$700 installed, including the new keypad, mounting hardware, and reprogramming of existing codes.
• Controller board swap (AM3Plus, APeX series): $500-$850 installed, depending on whether it’s a single board or a board plus power supply.
• Telephone entry board replacement (AE-100, AE-500): $600-$1,100 installed, including re-terminating the phone line, programming the directory, and testing the open relay.
• Card reader replacement with fobs: $550-$900 installed, including the reader, ten proximity fobs programmed to the system, and verification of the Wiegand connection.
• Full access control install (new controller, keypad, and one reader): $1,200-$2,800 installed. This is a scheduled job, not same day, because it involves new wiring runs and full programming.

Every price above is a written quote delivered before work starts. That’s Haven Standard Clause 1, and we’ve done it that way since 2014. The price you sign is the price you pay, no surprise invoice at the end. Our 365-Day Done Right Promise covers the work for a full year, and we leave you with a photo record of every part we pulled and every part we installed.

DIY or Call Us?

What you can safely do yourself: check the breaker, replace the keypad’s AA or 9-volt battery if your model has one, and verify that the cabinet door is sealed and the drain holes aren’t blocked. Those are reasonable homeowner checks and they sometimes solve the problem.

What you should not do yourself: open a Linear cabinet and start probing terminals with a multimeter if you don’t work with low-voltage access control regularly. These systems run 12 or 24 volts at low current, so the shock risk is minimal, but wiring the wrong terminal to the wrong output can fry a $600 board in one second. We’ve also seen DIY repairs where a homeowner wired AC power into a DC input because the old transformer label was faded. That fix costs more than the original repair. If you’ve already opened the cabinet and you’re not sure what you’re looking at, call us at (469) 613-2832. A live person answers, and we’ll tell you honestly whether it’s worth a service call or whether you can fix it with a battery change.

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