Alarm Lock Trilogy Locks in Garland TX

Alarm Lock Trilogy covers models like the DL2700 and DL3000. They are standalone keypad locks with code capacity ranging from about 100 to 2,000 users, and some PDL models can tie into a networked system.

Yes. If the lock is already on the door, we can usually reprogram codes, schedules, and user access on-site without replacing the unit.

Battery life is often around a year or more depending on use. Trilogy locks also keep a physical key override, so the door can still be opened if batteries run low or the electronics need service.

First confirm the exact Trilogy model, door thickness, handing, backset, and existing preparation, because there is no universal drilling pattern for every opening. GLC follows the manufacturer's template, aligns the spindle and latch, secures the inside and outside assemblies, programs authorized access, and tests entry, egress, and the mechanical override.

Programming must follow the sequence for the exact Trilogy model and requires the authorized programming code. GLC identifies the model, adds or removes approved users and schedules, documents the requested access, and tests each code without bypassing the lock's security controls.

Verify that the T2 model matches the door, latch, handing, and existing holes before drilling or changing the opening. Installation includes positioning the chassis and trim from the correct manufacturer template, checking spindle engagement, programming authorized codes, and testing latch retraction, free egress, and key override.