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Regency

Model 4734 Access Control Expander Installation Manual (P/N 150807, Rev. A) Revised 5/98

2.4.2 Suppliers Of X-10 Modules

X-10 modules can be obtained from ITI. If you need to order X-10 modules, contact ITI’s Order Entry at

1-800-777-4841.

2.5 Software Updates

When placing the 4734 into an existing 4720 installation, you may need to replace the software (as shown in

the table below) to support the additional capabilities of the 4734. The 4734 can only be used with the 4720

Revision M circuit boards and requires the 9332 dialer chip, Revisions B or C. If you need to order a chip,

contact ITI Order Entry at 800-777-4841. The 4734-2 must use the 4720 Revision N board and requires the

9387 dialer chip.

Section 3: 4734 Operation

This section describes operational features, other than programming, that are either unique to the 4734 or

that operate differently than they do with the 4720 and 4724. 4734 programming is described in Sections 4

through 6 of this manual.

3.1 System Power Up

At power-up (or reset), the touchpads show “default in 250s” on the first line and “Press CLR” on the second

line. This means that the system will go into Default Arm mode in the displayed number of seconds. The

number of seconds displayed changes as the system counts down the seconds before it enters Default Mode.

The first user to press CLR enters Set Time mode and the default countdown is canceled.

3.2 Access Control

3.2.1 Revision B Enhancements

Revision B (released October 1993) of the 4734 is greatly enhanced. It eliminates user traffic problems and

system busy conflicts that could occur in the previous revision. Multiple users can operate the system simul-

taneously from different touchpads. This feature is especially useful in large access or area systems where

users in different areas are not aware of each others’ activities. The following are highlights of Revision B

changes:

■ Status displays such as Event Memory, Not Ready Zones, and so on, can be viewed by different

users at the same time without interference. Users can access the system during the downloading.

During downloading, zone alarms are disabled temporarily to ensure that zone options are accurate,

but door access and status displays can be used while downloading is active.

■ Other users can access the system while one user is in Program Mode. For example, a user can

change system options at one station while other users are accessing doors or displaying status. As

in the previous revision, only one user at a time can access Program Mode. This prevents users

from making conflicting changes to the system or from using system resources that cannot be

shared.

Table 1: Software Updates

If You Are

Using Device

Chip to Be

Replaced

Software Revision

Date Required

Socket Adapter

4734 9332 4720, Revision M 130315

4734-2 9387 4720, Revision N 130316

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 69 70

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