Toa RS-481 User Manual
Note: For operation of the units, refer to the N-8000 series operating instructions.
1. GENERAL DESCRIPTION
The RS-480 is a substation to be connected to the N-8400RS Substation Interface Unit. The RS-481 is designed
exclusively for indoor-use in combination with the RS-480. It also features handset conversation with the RS-480.
Warning
This is a class A product. In a domestic environment this product may cause radio interference in which case the user may
be required to take adequate measures.
2. SPECIFICATIONS
[RS-480]
RS-480
RS-481
SUBSTATION
OPTION HANDSET
INSTALLATION MANUAL
Call Button Momentary (Emergency call: Press twice within 400 ms.)
Rated Input 1 W
Control Output Open collector, Maximum controlled voltage: 30 V DC,
Control current:
30 mA
Internal Speaker Cone-type
Internal Mic Electret condenser type
Indicator When called: Status indicator (red) flashing
In conversation: Status indicator (red) lit
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Transmission Range 1000 m/ø0.5 mm (AWG24), 1500 m/ø0.65 mm (AWG22), 2000 m/ø0.9 mm (AWG19)
Operating Temperature –10 to +50°C (Temperature range not to freeze the speaker and switch)
Housing Protection BS EN62262: 2002: IK02 equivalent
Dust/Water Protection IP54
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Call button: Metal, silver
Circuit board: Weather-resistant coating
Dimensions 120 (w) x 120 (h) x 50.5 (d) mm
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Accessories No.6-32UNC x 18 ... 4, Machine screw M4 x 25 ... 4
Applicable Box 2-gang electrical box: YC-302 (option)
[RS-481]
Note: The design and specifications are subject to change without notice for improvement.
Handset Receiver Dynamic type
Handset Microphone Electret condenser type
Handset Receiver Slide volume
Volume Control Maximum attenuation level: 12 – 18 dB
Operating Temperature 0 to +40°C
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Dimensions 116 (w) x 220 (h) x 71 (d) mm
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Accessories No.6-32UNC x 18 ... 4, Machine screw M4 x 25 ... 4
Applicable Box 2-gang electrical box: YC-302 (option)
3. CONNECTIONS
3.1. RS-480, N-8400RS, and external relay connections
Note: Cut out the control cables if they are not used to avoid short-circuiting.
N-8400RS Substation interface unit
Substation connection terminal
Yellow
Orange
Red
Brown
Line 1 : Brown, Line 2: Red,
Line 3: Orange, Line 4: Yellow
RS-480
Open collector output: 24 V DC, Max. 30 mA
Green
Blue
Diode
Relay
-
+
External
power supply
24 V DC
GND
Traceability Information for Europe (EMC directive 2004/108/EC)
Manufacturer:
TOA Corporation
7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo, Japan
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,Germany
133-21-949-80
URL: http://www.toa.jp/
3.2. RS-480 and RS-481 connections
4. WALL MOUNTING
Mount the RS-480/481 to an electrical box mounted in the wall.
[RS-480]
Notes
• When using the PA paging function,
keep the switch panel as far away
from the PA paging speaker as
possible to avoid acoustic feedback.
• When installing the RS-480 at
outdoor or locations where it gets wet
with water, tightly seal the panel
edges. Besides, provide a weep hole
at the underside of the mounting box
to permit water to drain off.
[RS-481]
Accessory screws
The RS-480/481 come with 2 types of screws to match the box screw threads:
M4 x 25 and UNC No. 6-32 x 18.
For the electrical box provided with unified threads, use the UNC No. 6-32 x 18.
Handset cables
Wall surface
Handset cables
RS-481
RS-480
YC-302
2-gang electrical box
(option)
Jumper wire
RS-480 (top)
Handset joint
connector
Note
When using the RS-481 Option handset, cut the jumper
wire next to the handset joint connector on the circuit board
as illustrated above.
If not cut, sound comes out from the RS-480's front
speaker and returns back to the handset’s microphone,
resulting in acoustic feedback.
Wall surface
[Dimensional diagram]
Unit: mm
83.5
46
120
50.5
3
115
200 or less
44.5
200 or less
RS-480's front panel
Machine screw M4 x 25
(accessory)
Seal the panel edges.
YC-302
2-gang electrical box
(option)
RS-481
RS-480
Machine screw M4 x 25
(accessory)
Wall surface
[Dimensional diagram]
116 71
46
83.5
115
48
Unit: mm
200 or less
220
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