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INSULATED DOORS of Colorado LLC Access Control Products.

Insulated Doors of Colorado is an authorized dealer of DKS DoorKing™.  We offer you a one stop shop for all your access control security needs.  We have a full line of DoorKing access control products.  Our product line includes RF Controls, Proximity Readers, Digital Keypads, Card Readers, Magnetic Door Locks, Electric locks, Magnetic Gate Locks, Access Controllers, and DoorKing accessories.


DoorKing 1838 Access Controller

THE MODEL 1838 multi-door access controller is ideal for small businesses, office buildings, factories, industrial sites, apartment complexes, or for any application that requires access control and reporting capabilities. The 1838 is a 2-door controller that easily expands to control up to 16 doors. This flexible system allows you to control access by means of encoded cards, five digit PINs (Personal Identification Number), wireless RF control, or with almost any 26-bit weigand devices.
With a 3000 user capacity, 8000 card code capacity and 8000 event history buffer, 31 security levels, elevator control and more, the 1838 out performs other controllers in its class.

anti-pass back TRUE anti-pass back can be programmed in one of three different modes for complete control INTO and OUT OF secured areas
live transactions view activity in real time, as it happens, on your computer display
tracker boards provide system expansion to control up to 16 access points
pc programmable system allows programming and transaction analysis right from your PC
elevator control restricts system users to their authorized floors only


1838 Controller
10.25"H x 12.25"W x 4.25"D
  • PC Programmable via the internet (using DKS server connection), modem or RS-232. Remote Account Manager and Transaction Analysis software included.
  • Built-in programming keypad.
  • Interfaces with 2 card readers - expandable to 16 with tracker expansion board(s)
  • Live transactions (requires RS-232 connection).
  • Anti-pass back.
  • 8000 event transaction buffer.
  • 31 Security (permission) levels.
  • Database import/export capability.
  • Built-in clock/calendar.
  • Holiday schedule.
  • Hold open time zones.
  • Entry code time zones.
  • Postal lock input.


  • Stores up to 3000 user names.   Memory sizes available: 125, 250, 500, 3000.   Specify requirement when ordering.
  • Stores up to 255 area codes.
  • Transaction buffer stores last 8000 events.
  • Stores up to 8000 access card codes - dependent on system memory.
  • 31 security (permission) levels, 29 programmable with 4 time zones each.
  • 8 hold open time zones.
  • Three anti-pass back configurations: passive, active and trap.
  • Elevator control (note 1) for up to 4 elevators, each serving 64 floors.
  • Expandable (note 2) to control up to 16 entry points.
  • 4-digit entry codes, one for each telephone number.
  • 3 form "C" dry contact relays.
  • EEPROM memory.
  • Two 16 VAC, 20 VA power transformers supplied.
  • FCC (US): DUF6VT-12874-OT-T
  • DOC (CAN): 1736 4528 A
  • Compliant with UL 294.   ETL listed.
  • Dimensions: 10.25"H x 12.25"W x 4.25"D.

Note 1: Requires Elevator Control Board(s).
Note 2: Requires Tracker Expansion Board(s).



Memory size: 125, 250, 500, 3000 - choose one.
Tracker expansion boards.
Elevator control boards.




Back up battery.
Surge suppressors.
RS-232 programming cable.
USB to RS-232 adapter.


We install and service all the following products.  Please contact our sales representative at 303-279-1292.  We are ready to service any of your access control needs.  Insulated Doors of Colorado is a service friendly company you can count on

Insulated Doors is Colorado's leading garage door, access control, and security professional installer.












INSULATED DOORS of Colorado LLC PO BOX 1025 Golden CO 80402 TEL: 303-279-1292 FAX: 303-380-5919

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