Toa RS-481 User Manual
Installation manual, General description, Specifications
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
External
power supply
Relay
Diode
24 V DC
GND
+
-
Open collector output: 24 V DC, Max. 30 mA
RS-480
Substation connection terminal
N-8400RS Substation interface unit
Line 3: Orange, Line 4: Yellow
Line 1 : Brown, Line 2: Red,
Yellow
Orange
Red
Brown
Blue
Green
Note: Cut out the control cables if they are not used to avoid short-circuiting.