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OVERVIEW
The Compact Door Interface Unit (DIU 200) is designed primarily to provide power
to a door lock, as well as local power to a CEM reader when a high level of security
is required. It has onboard inputs which can be used to monitor conditions such as
a fire alarm or activated break-glass condition.
The DIU 200 improves door security, by allowing the installer to locate lock
controls on the secure side of a door, with an intelligent CEM reader on the
unsecured side. The DIU 200 communicates with an intelligent CEM reader over
a single pair RS485 cable. Upon a valid swipe at the card reader, the reader
will instruct the DIU (over the RS485 communications channel) to activate the
appropriate output to release the lock using a coded data signal (i.e. coded lock).
As an added benefit, the DIU 200 monitors the status of all standard door
monitoring inputs; inputs on an intelligent CEM reader are free for use as general
purpose inputs.
DIU 200 Module
• Door Interface Electronics
held on one board
• Provides ‘coded lock’ serial
interface between door
hardware and card reader
• On site selectable for 12 or
24 volt lock output
• Fire alarm and break glass
inputs for emergency door
release
• Designed for ease
of installation and
maintenance using 2 part
connectors throughout
• Compliant with EN55022
(emissions) and EN55024
(access control immunity)
• Backup battery connection
for emergency power
(optional)
FEATURES
DIU 200 Module
Compact Door Interface Unit
1. DIU Unit Enclosure
2. CEM Reader
3. Sounder
4. Break Glass Unit
5. REX/ Exit Reader or
Secure side push button
6. Door Holder (via optional Backplane)
7. Door Lock
8. Lock Sense
9. Door Position sensor
