Gallagher T20 User Manual

Page 1
Document Code: 3E3140
Edion 3, April 2013
The Gallagher T20 Reader
The Gallagher T20 Reader is a smart card proximity reader. The reader can be
installed as either an entry reader or an exit reader.
The reader can be mounted on a rectangular 50 mm x 75 mm (2” x 3”) ush box, BS
4662 Brish Standard square ush box, or any solid at surface.
The Mifare reader reads: Mifare DESFire EV1, Mifare Plus and Mifare Classic cards.
The Mul Tech reader reads: Mifare DESFire EV1, Mifare Plus, Mifare Classic and 125
KHz cards.
The reader sends informaon to the Gallagher Controller and acts upon informaon
sent from the Gallagher Controller. The reader itself does not make any access
decisions.
The reader uses the Cardax IV communicaons protocol to communicate with the
Gallagher Controller. Refer to the “Connecons” topic later in this note, for details
regarding Cardax IV Reader connecons.
ATTENTION: This equipment contains components that can be damaged
by electrostac discharge. Ensure both you and the equipment are earthed
before beginning any servicing.
Installaon Note
Gallagher T20 Reader

Gallagher T20 Specifications

General

Brand	Gallagher
Model	T20
Category	Card Reader
Language	English

Summary

The Gallagher T20 Reader

Before You Begin

Power Supply Requirements

Specifies the required voltage range, operating current draw, and power supply recommendations.

Cabling Specifications

Distance Between Proximity Readers

Installation

Mounting Options and Height

Details the acceptable mounting surfaces and the recommended installation height for the reader.

Mounting Notes and Procedures

Provides important notes for installation, including surface considerations and securing the reader base.

Wiring Connections

Illustrates the wiring diagram for connecting the reader tail to the building cable.

Connections

Connecting to Reader Modules

Details the wiring connections for the T20 Reader to Gallagher Reader Module 8R or 4R.

Connecting to GBUS URI

Gallagher Controller 3000-8R or 3000-4R

Controller Port Configuration

Controller Wiring Diagrams

HBUS LED Diagnostic Indications

Technical Specifications

Reader Specifications

Mounting Dimensions

Physical Mounting Specifications