Linear AK-21W Weather-Resistant Digital Keypad Model Number: Linear AK-21W
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Linear AK-21W Weather-resistant Digital Keypad is a digital keyless entry system designed for outdoor
access control applications. The keypad is housed in a rugged, plastic enclosure and is designed to be
mounted in a standard single-gang electrical box. The die-cast keys have bright, easy-to-read yellow graphics.
Flush mount keyless entry system for outdoor applications, up to 480 entry codes, two relay outputs, two
solid-state outputs, two status indicators, programmable keypad courtesy lighting, mounts in single-gang J-box,
12-24 volts AC/DC. Designed for outdoor applications. Self-contained keyless entry system ideal for airports,
hospitals, warehouses, office buildings, parking lots, and many other commercial facilities.
 Manual
Spec Sheet
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Linear AK-21W Weather-resistant Digital Keypad Model Number: AK-21W -- $125.00
 
Up to 480 entry codes, from 1 to 6 digits in length, can be programmed. They can activate either, or both, of the relay
outputs. The anti-passback feature prevents using the same code again before the programmed time elapses.
All system indicators and lights are long-lasting, solid-state LEDs. Two indicators show the status of the entry system. The
left indicator lights red to indicate power, then turns green when access is granted. The right indicator lights yellow when
the keypad is in lockout condition (from too many incorrect code entries). The keypad’s courtesy light dimly illuminates the
keys at all times. The courtesy light brightly illuminates the keys for two minutes after any key is pressed. An internal
sounder beeps when each key is pressed. An internal jumper sets the sounder volume high or low.
Features
Designed for outdoor applications
Self-contained keyless entry system ideal for airports, hospitals, warehouses, office buildings, parking lots, and many other
commercial facilities
Mounts in a single gang electrical box using security screws; tool included
Four independent outputs and timers: two form C relays and two solid-state open collector outputs
Up to 480 programmable input codes of one to six digits each for activating either or both relays
Two LED indicators show system status
Key operating features include: door sense input; inhibit input; request-to-exit input; alarm shunt output; timed anti-
passback; and keypad lockout
Rugged metal keys
Built-in LED downlights
Tactile and audible feedback
3" W x 5" H x 3" D
Product Number: ACP00912
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