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PC controlled
4-portal Access Controller AM-3
The perfect Solution for Storage Unit Facilities Entry

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The AM-3 4-portal Access Controller is designed for use as a primary access control device for gated communities, parking garages, Storage Unit Facilities, office buildings, apartments, dormitories, hotels/motels, commercial buildings and recreational facilities.


Housed in a lockable, plastic enclosure, the AM-3 features a 2-digit LED display, nine status indicators, four relay indicators with four relay activation pushbuttons. Three programming buttons, a reset button, and a power indicator are present. The enclosure is monitored with a magnetic tamper switch.


The system controls its four output relays by responding to various input devices that react to proximity cards, transmitters, and entry codes. The four relay output channels can be programmed to control electric door strikes, magnetic locks, door & gate operators, or barrier gates.


Access is granted or denied depending on the current user’s authorization to gain access and system settings that control groups of users or all users. Complete access control event logging, access time restriction, access location restriction, and administration functions are also available to manage the installation.

  • Four General-Purpose Form “C” Relays for
    Main and Auxiliary Control Functions
  • Networkable — Up to Eight Controllers and
    256 Doors or Gates
  • Compatible with Linear’s AE-1000 and AE-2000
  • Telephone Entry Systems
  • Accepts Two 26, 30, or 31-Bit Wiegand Devices and Six Additional Addressable Remote Devices
  • Lockable Plastic Enclosure for Indoor Use
  • Optional NEMA 3R Enclosure for Outdoor Mounting
4-portal Access Controller



  • Full control of 4 doors; each supporting request to exit and door status monitoring
  • 10,000 Cardholders
  • 46,500 block enrolled cards; 20,000 individual cards
  • 46,500 block enrolled transmitters; 20,000 individual transmitters
  • 20,000 entry codes
  • 20,000 event transaction log
  • Direct input for 2 card readers; add AM-CRI's for more
  • Local programming using a PC and AccessBase2000 at 33.6 Kbps
  • Remote programming using optional ACM-1 modem (ACP00905) and AccessBase2000 at 33.6 Kpbs
  • 32 security levels, 32 time zones, 32 door schedules, and 24 holiday schedules
  • Relay auto lock/unlock schedules
  • Automatic door relock when door sense input is used
  • Extensive ESD and lightning protection of all inputs and outputs
  • Cabinet tamper switch included; tamper events are tracked in the event log.
  • All data memory is non-volatile FLASH with data retention in excess of 10 years
  • RF frequency: 318 MHz
  • 11.5" W x 12.5" H x 4" D

General Specifications

Case Shown is additional.

12/24 VAC or VDC; 16 VAC transformer included

-22° to +149°F

11.5 in L x 4 in W x 12.5 in H (292 x 102 x 318 mm)

10,000 users; each can have keypad, entry code, card or
transmitter; 20,000 event transaction log; data stored in
field upgradeable FLASH memory

Built-in 24-hour clock/calendar with battery back-up and
daylight savings adjustment

AM-3 four portal access control system accepts two
Wiegand inputs and up to six remote devices

32 Validation Groups (Security Levels): Validation
Groups let user allow or deny access based on date/time
(Time Zones), door (Door Schedule), or floor (Floor
Schedule); 32 Time Zones, 32 Door Schedules, 32 Floor

Relay: four Form “C” relays; all can be configured for
open/close; all relay contacts have extensive RFI,ARC and
lightning suppression
RS232: for local computer communications — 33.6 Kbps

Front Panel: two 8-segment LED displays for system
configuration, status and troubleshooting

PBUS: three sets for connecting up to six proprietary
addressable devices
Wiegand: two sets of Wiegand inputs for connecting 26,
30, or 31 bit Wiegand devices; each Wiegand input
supports two LEDs
Request To Exit: four normally open inputs; each input
assigned to specific relay Door Status: four normally closed inputs used to monitor
the status of the device connected to the relay for a
forced door/propped door alarm; supports auto-relock
once the device is restored
Access Buttons: four pushbuttons used to manually
control each of the four relays
Tamper: N/C tamper switch activates any time cabinet is
LEDs: for status and troubleshooting

All connections grouped together in neighborhoods for
ease of installation and maintenance

Plastic cabinet suitable for indoor use; secure with
lock/key (included) or screws

ACM-1: plug-in 33.6 Kbps modem for remote (dial-up)
MIO Interface Module: multiple input/output modules
for monitoring and control of additional points; can also
be used for elevator control (call for availability)
CAB-3: lockable NEMA 3R enclosure for mounting the
AM-3 outdoors


The AM-3 allows for a number of accessories to meet any entry need.

Remote Radio Receiver:
AM-RRR-Remote Radio Receiver:
Remote Radio Receiver:
For wireless transmitters, connect the model AM-RRR high-gain syperheterodyne UHF receiver. The receiver is housed in a weather-resistandt enclosure and can be mounted indoof and outdoors. Gaskets and a weather-tight strained relief seal the unit from the elements.



Remote Proximity Receiver:
AM-RPR - Remote Proximity Receiver:
AM-RPR Remote Proximity Receiver:
The Model AM-RPR functions as a remote device that supplies localized radio reception for the AM-3 in a typical installation, the AM_OR would be mounted in a plastic single-gang electrical box next to the controlled opening. When the user requires access, their transmitter must be activated within three inches of the AM-RPR faceplate

Exterior Keypad:
AM-KP - Exterior Keypad:
Exterior Keypad:.
The Model AM-KP is housed in a rugged cast aluminum enclosure designed for exterior installations. The di-cast keys have bright, easy to read yellow graphics. The keypad can be mounted to a pediestal or directly to a wall. A keylock secures the keypad to the mounting backplate.

Interior Keypad:
AM-KPI - Interior Keypad:
Interior Keypad:
The Model AM-KPI keypad is housed in a rugged, plastic enclosure designed to be mounted indoors in a standard single-gang electrical box. Tamper resistant screws secure the keypad to its mounting plate. The die-cast keys have bright, easy-to-read yellow graphics and is illuminated with white LED's. The keypad is supplied with a satin-chrome bezel and three interchangeable colored bezels (White, Ivory, and Bronze) to customize the keypad appearance for the installation.

Proximity Reader & Cards





40-006 Close range, Prox Pro, wall mount Card Reader

40-010 Bage Style Card (Sold in Multiples of 25)

40-011 Keyfob Style Card (Sold in Multiples of 100 )


Gooseneck Stands

Gn-1643 41" high goose neck stand

Gn-1644 41" high Double goose neck stand

Card Reader Interface:
  AM-CRI - Card Reader Interface:
Card Reader Interface:
The Model AM-CRI expands the standard two AM-3 Wiegand inputs by supporting one or two additional 26-bit Wiegand input devices per AM-CRI interfaces used. Each AM-CRI connects to the AM-3's PBUS inputs

Wiegand Output Radio Receiver:
WOR Wiegand Output Radio Receiver:
Wiegand Output Radio Receiver:
For block-coded Linear wireless transmitters, connect the Model WOR high gain superheterodyne UHF receiver. The receiver is housed in a weather resistant enclosure and can be mounted indoors or outdoors. Gaskets and a weather-tight wiring strain relief seal the unit from the elements.


Proximity Reader:
AM-PR Proximity Reader:
Proximity Reader:
The Model AM-PR is a radio-based reader that works with either proximity tags (Model AM-PT) or proximity cards (Model AM-PC), both of which are slotted to attach the key rings. Upon reading a user's tag or card, it transmits the entry data via a Wiegand output to the AM-3. An Integral LED confirms to the user that access is granted.

Proximity Card:
Model Number: AM-PC
For use with AM-PR proximity reader. Minimum purchase of 25




Model Number: AM-PT

For use with AM-PR proximity reader. Minimum purchase of 25



  Lockable weather resistant enclosure.:

CAB-3 Lockable weather resistant enclosure.:

Lockable weather resistant NEMA 3R enclosure
  • Exterior Cabinet
  • NEMA 3R rated
  • Provisions for padlock
  • ***Replaces the CAB-2

Linear Transmitters

  MT-1B- Single Button Transmitter
MT-2B- Double Button Transmitter
ACT-31B- Single channelMinature Transmitter
ACT-34B- four channel Minature Transmitter


aluminum fence


Discount Fence Supply, Inc.
8500 Hadden Rd.* Twinsburg Ohio 44087
Phone: (800)878-7829 Fax: (330)650-9004