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Mullion Proximity Reader

Part Codes: CS-AC-1200-BK 

CS-AC-1200-WH

www.controlsoft.com

Introduction

The CS-AC-1200 proximity reader from Controlsoft® reads Controlsoft 

125KHz cards and tags, and connects to any Access Control Unit (ACU) via 

a Wiegand interface.

The reader is available in black (-BK) or white (-WH) and has an internal 

piezo buzzer and tri-colour LED to indicate status.

The circuitry is encased in a durable, waterproof resin, making it suitable 

for indoor and outdoor use.

Step 1 — Mount the Reader

Use the template provided to mark and drill the 3 required holes. Plug the 

mounting holes (if required), feed the pigtail through the cable entry hole 

and mount the reader.

9010-0020 Issue 3

Step 2 — Connect the Reader to the ACU

The reader is supplied with a 1 metre ‘pigtail’ lead with the following connections:

Colour

Signal Description

Red

Power Supply (+12Vdc)

Black

Ground (0V)

Green

Data 0

White

Data 1

Purple

Green LED Control

Yellow

Buzzer Control

Brown

Red LED Control

Connect the reader as described in the Installation Instructions for the ACU. Information on 

wiring to a Controlsoft i-Net™, Reader Expander Board, Edge or Solo 2 is provided overleaf. 

 

If the length of the pigtail needs to be extended, it is important to use screened, non twisted  

cable such as Belden 9538 which must not exceed 100 metres.

If the distance between the ACU and reader is more than 25 metres, power must be supplied 

to the reader by a power supply mounted close to the reader.

Step 3 — Test the Reader

To ensure correct operation of the reader, test the connections to the ACU by referring to the 

following checklist:

1. 

The LED is flashing green (normal wait state).

2.  An allowed card swiped at the reader generates a beep and the LED to turn green 

(normal allow state).

3.  A denied card swiped at the reader generates a long beep and the LED to turn red 

(normal deny state)

4.  If the reader does not respond when a card is presented, the card is not enrolled at the 

ACU (normal deny state) or some form of interference may be present.

5.  A yellow LED, or the buzzer remains permanently on indicates that the reader is 

experiencing operational problems. Check that the connections are correct, and that the 

reader has adequate power.

Installation Instructions

 

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