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SENTRY1 TECHNICAL MANUAL VER1.6

Art.3126

VIDEOPHONES

901D

The Art.3126 includes a three position call tone volume control and

large lock release push button. Additionally it includes a push on push

off timed mute switch with status LED and a door open LED.

CONNECTIONS:-

Function

1 Transmit speech to the door panel

2 Receive speech from the door panel

T Call tone in from Sentry1 PCB

P Switch 0V lock trigger command

- 0V

C Select line (Switches on telephone)

D Switched +12 in for door open LED

+12 +12V for mute circuit

JUMPER SETTINGS:-

FIVE SETTINGS ARE AVAILABLE FOR THE PRIVACY TIME

Jumper in position A 15 Minutes

Jumper in position B 30 Minutes

Jumper in position C 2 Hours

Jumper in position D 4 Hours

Jumper in position E 8 Hours

SET THE PRIVACY LED TO FLASH OR ON CONSTANT

Jumper in position FL Flash the privacy LED

Jumper in position FX LED on constant

The Art.901D (901D/C for colour) includes a lock release

push button and a dry contact push to make spare push

button for other services.

CONNECTIONS:-

Function

1 Transmit speech to the door panel

2 Receive speech from the door panel

T Call tone in from Sentry PCB

P Switch 0V lock trigger command

- 0V

C Select line (Switches on telephone)

V Centre core of coax

M Screen of coax

M 0V

+12 +12V out to power video splitter Art.894

+20 Switched +20V in to power videophone

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

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