Toa RS-442 User Manual download pdf

4P removable terminal plug

(supplied with the N-8400RS)

N-8400RS Substation interface unit

To line 2 (Red)

Two pairs of

twisted pair cable

To handset

(

refer to the following figure)

Frame

ground

Switch input for

the call button 3

(momentary)

Switch input for

the call button 2

(momentary)

Switch input for

the call button 1

(momentary)

To line 1 (Brown)

To line 4 (Yellow)

(Green)

(Blue)

(Black)

RS-442

To line 3 (Orange)

8 Ω speaker output

(Red)

(Black)

(Gray)

(White)

(Brown)

(White)

(Blue)

(White)

*Open collector output: 24 V DC, Max. 30 mA

Control output

External

power supply

Relay

Diode

24 V DC

GND

Microphone

INSTALLATION MANUAL

SWITCH BOARD RS-442

Thank you for purchasing TOA’s Switch Board.

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

1. GENERAL DESCRIPTION

The RS-442 is a Switch board to be connected to the N-8400RS 4-wire system Substation Interface Unit.

It is equipped with 1 microphone input (with a microphone unit), 3 switch inputs for call buttons, and 1 speaker

output, enabling you to make a switch panel suitable for applications.

By assigning a different master station as a calling destination to each Call button, you can call one of them

and make a conversation.

2. CONNECTION

RS-442

Handset joint

cables

Handset cables

Wall surface

RS-481

RS-442 (Bottom)

Note

When using the RS-481 Option handset, cut the

jumper wire next to the handset joint cables on

the circuit board as illustrated below.

If not cut, sound comes out from the RS-442's

speaker and returns back to the handset’s

microphone, resulting in acoustic feedback.

Jumper wire

Handset joint cables

[RS-442 and RS-481 connections]

Note

Cut out unused wires to avoid short-circuiting.

1 2

Summary of Contents

Page 1 - SWITCH BOARD RS-442

4P removable terminal plug(supplied with the N-8400RS)N-8400RS Substation interface unitTo line 2 (Red)Two pairs of twisted pair cableTo handset(ref

Page 2 - 4. SPECIFICATIONS

3. INSTALLATION3.1. Installation Completion Drawing Unit: mm [Front] [Side] [Rear]88.1 91.2130 – 150 130 – 15028.1 67.53.2. When Making Operation Pa

Comments to this Manuals

No comments

Toa RS-442 User Manual

Browse online or download User Manual for Safety Toa RS-442. Toa RS-442 User Manual

Summary of Contents

Comments to this Manuals

Related products and manuals for Safety Toa RS-442