Toa RS-142 User Manual
Note: For operation of the units, refer to the N-8000 series operating instructions.
1. GENERAL DESCRIPTION
The RS-142 is a switch board to be connected to the 2-Core Shielded Substation Interface Unit. You can
make desired switch panels to meet intended purposes by combining the RS-142 with the separately
prepared operation panel having 2 switches to be used as call buttons.
The RS-142 features handset conversations by using the RS-141 indoor-use Option Handset in combination.
2. CONNECTIONS
2.1. When the Option Handset Is Not Used
INSTALLATION MANUAL
Note
Cut out the unused Wire (purple) to avoid short-circuiting.
133-41-107-4A
RS-142SWITCH BOARD
3P removable terminal plug
(supplied with the Substation
interface unit)
Green (HOT)
High-impedance speaker
(Impedance: 600 Ω or more)
Substation interface unit
2-core shielded cable
Blue (COM)
2-core shielded cable
To the substation connection terminal
Brown
Red
Orange
Brown (A)
Red (B)
Orange (C)
Yellow (C+)
Green (B+)
Blue (A+)
N.C.
Purple (H)
RS-142
Switch for Call button 2*
* Separately prepare this switch.
Switch for Call button 1*
Brown (E+)
White (E
Orange (N-)
-
Gray (N+)
)
2.3. When the Option Handset Is Used in Combination
Note
Cut out unused wires to avoid short-circuiting.
Substation interface unit
To the substation connection terminal
3P removable terminal plug
(supplied with the Substation
interface unit)
Brown
Red
High-impedance speaker
(Impedance: 600 Ω or more)
Orange
2-core shielded cable
2-core shielded cable
Green (HOT)
Blue (COM)
2-core shielded cable
N.C.
Brown (A)
Red (B)
Orange (C)
Yellow (C+)
Green (B+)
Blue (A+)
Purple (H)
Brown (A)
Red (B)
Orange (C)
Yellow (C+)
Green (B+)
Blue (A+)
Purple (H)
Switch for Call button 1*
RS-142
Switch for Call button 2*
* Separately prepare this switch.
RS-141
Brown (E+)
White (E
Gray (N+)
Orange (N-)
-
)
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