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Index to Entry Control
Linear AK-21W Weather Resistant Digital Keypad
Stand Alone Exterior Digital Keypad Entry System - Click to enlarge!Stand Alone Exterior Digital Keypad Entry System

The New Model AK-21W Weather-resistant Digital Keypad is a digital keyless entry system designed for outdoor access control applications. This unit replaces the Model AK-2W with added programming features. The die-cast keys have bright, easy-to-read yellow graphics. The relays can be set for timed or latch-on/latch-off toggle operation per each individual entry code. The on or off toggle state of a relay is maintained even after power interruption. When power is restored to the keypad, each relay will assume the state it was in when power was removed. 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 can be programmed to activate indefinitely, or for 1, 2, 3, or 4 minutes after the last key press, or not light at all. An internal sounder beeps when each key is pressed. An internal jumper sets the sounder volume high or low. The REQUEST-TO-EXIT input can be wired to a pushbutton to provide codeless activation of Main Relay, Auxiliary Relay, Output #3, or Output #4 (programmable) for authorized personnel. The “anti-passback” feature prevents using the same code twice before the programmed time elapses. The ALARM SHUNT output activates when access is granted. This output can be wired to shunt alarm contacts on the access door/gate to prevent triggering of an alarm when authorized access occurs. Two solid state outputs, capable of switching 100 mA to common, are programmable to signal forced entry, door ajar, lockout, alarm circuit shunting, request-to-enter, and keypad active conditions.

Features:

  • Click to enlarge!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 with unique programming per entry code
  • Up to 480 programmable input codes of one to six digits each for activating either or both relays
  • Relay #1 has a 5 Amp capacity, Relay #2 has a 1 Amp capacity
  • 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 courtesy lights
  • Tactile and audible feedback
  • 3" W x 5" H x 3" D
  • 12-24 Volt AC or DC (obtained from the access device or a separate power supply)
  • Operates in -22F to +149F
  • Current: 30mA typical, 150 mA maximum
  • Brochure
  • Installation Manual
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LIN-AK-21W

Linear AK-21W Weather-Resistant Digital Keypad

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