Toa N-8000 Series User Manual
Page 76
1-59
Chapter 1
GENERAL DESCRIPTION
6.3.16. RS-481 Indoor Option Handset for RS-480
[Front]
6.3.15. RS-442 4-Wire Switch Board
[Front]
1
3
2
1. Volume control
Adjusts the call volume heard at the handset.
2. Handset cable (purple)
Connects to the RS-480 Substation or the RS-442
Switch Board.
3. Handset
Used to make handset calls from the RS-480
station. While this handset is used, the RS-480
station's hands-free microphone and speaker are
cut off.
1
2
3
4
5
6
7
1. Connection cable (brown, red, orange, yellow)
Connects to the 4-wire substation interface unit.
2. Control cable (green, blue)
Connectable to an external indicator.
A closed contact is provided only during
conversation.
(Open collector output, Output capacity: 24 V DC,
30 mA)
3. Panel connection cable (black)
Connects to a frame ground.
4. Handset cable
Connects to the RS-481 Option Handset.
5. Speaker cable (red, black)
Connects to the external speaker.
6. microphone
Fix the microphone to an operation panel.
7. Call button connection cables (white, gray,
white, brown, white, blue)
Used to call the preprogrammed master station.
Up to 3 buttons can be connected, to each of which
call destination can be assigned.