Bell System CS106 Bedienungsanleitung PDF herunterladen (Seite 20)

CS106 Combined Door Entry and Coded Access

Cable Requirements

For optimum clarity of speech it is strongly recommended that this system is

installed using twisted-pair telephone cable (e.g. type CW1308). Use one of the

pairs for the R & O connection between the speech unit and the telephone.

Connections No. of cores

Core

diameter

Cable

length

Phone 4 + 1 per phone 0.5mm 100M max.

Power Supply 2

0.5mm

1.0mm

up to 15M

up to 50M

Lock release (up to 500mA) 2

0.5mm

1.0mm

up to 5M

up to 25M

Time clock 4 0.5mm 100M max.

Exit 2 0.5mm 100M max.

Trades Button 2 0.5mm 100M max.

In most cases cable length restrictions should not present a problem, however

where longer lengths are required please refer to the manufacturer for advice.

CS106 Combined Door Entry and Coded Access

Installation Procedure

Connect all items by following the wiring diagram, on page 42. It is strongly

recommended that a single telephone be connected at a time and fully tested

before proceeding to the next.

Speech adjustment

The model 61 speech units have two pots at the rear for adjustment of speech

levels as follows:

Volume A: Speech level at the Entrance Panel

Volume B: Speech level at the Telephone

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Bell System CS106 Bedienungsanleitung Seite 20