Cooper Security 9752 Guia de Instalação descarregar pdf (Página 9)

9752 Installation Guide 1. Introduction

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9941 and 9943 Keypads

AB CD

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Figure 2. 9941 and 9943 Keypads

The control unit supports the connection of 9941 and 9943 keypads. The

9943 has a built-in wide-area proximity reader and connections for an external

panic alarm switch. Both have a two-line 16-character Liquid Crystal Display

(LCD) that can display alarm information, programming settings and other

information. There are three LEDs that have the following functions.

Note: Depending on how the system is set up, the LEDs may not operate until

a user code is presented.

Alert lamp – Flashes to highlight unacknowledged alert, glows for

acknowledged conditions, and goes out when all conditions have

been rectified.

s Service lamp – Glows if the system needs an installer reset.

a Mains lamp – Glows when using mains power. Flashes when using

the stand-by battery.

Expanders

You can attach up to three hardwired or radio expanders to the control unit to

expand the number of zones to a maximum of 32. You can use a combination

of the two types.

Hardwired Expanders

The 9954 hardwired expander enables you to connect wired detectors to the

control unit. Wired detectors can be connected in the following ways:

1. Four-wire Closed Circuit Loop (CCL).

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Cooper Security 9752 Guia de Instalação Página 9