Toa NX-100S Installation User Manual
Page 15

2-4
Chapter 2: UNIT AND SOFTWARE INSTALLATIONS
MIC
LINE
VOLUME
INPUT
24V
DC INPUT
AUDIO OUTPUT
FG
7
6
7
6
AUDIO INPUT
8 C
5
4
3
2
1
C
8
5
4
3
2
1
CONTACT OUTPUT
CONTACT INPUT
RS-232C
200mA
10/100M
H C E
H C E
AC ADAPTER
24V 200mA
DC INPUT
7
6
8 C
5
4
2 3
1
7
6
C
8
5
4
3
2
1
 Open collector output
 Withstand voltage: 30 V DC
 Control current: 50 mA maximum
 Pulse width: 1 s (when in Latch mode)
[Control Output Specifications]
To other unit's control input
• Control Output Terminal Connections
Connect the control input terminals of all other 
connected units using 2 control lines.
Caution
Be sure to connect only these 
control lines to other unit's control 
input terminals.
Connecting in parallel with control 
lines from other equipment may 
cause the unit to malfunction.
This figure represents the NX-100.
CONTACT
OUTPUT
1 – 8
C
+24 V DC
External
power supply
Relay
Diode
GND
Note
To control a power distributor or PA 
amplifier mounted in the same rack 
as the unit using the unit's control 
output terminals, provide an external 
relay and power supply as shown 
below to perform control with the 
relay contacts.
 No-voltage "make" contact input
 Short circuit current: 10 mA
 Open voltage: 12 V
 Pulse width: Over 50 ms
[Control Input Specifications]
To other unit's 
control output
• Connections to the Control Input Terminal
Connect the control output terminals of all other 
connected units using 2 control lines.
• RS-232C Interface Connections
The NX-100 can be used to control such RS-232C 
components as DTE and DCE components over a 
network. 
Use a "straight" cable fitted with a 9-pin D-sub 
connector when connecting to DTE components 
such as PCs. 
Use a "cross" cable fitted with a 9-pin D-sub 
connector for connecting to DCE components such 
as modems.
NX-100 only
Tips
• Refer to 
p. 2-5, CONNECTIONS TO TERMINAL PLUGS
, for control terminal connection procedures.
• When not using the RS-232C interface, place the supplied RS-232C cover over the terminal to protect it
against dust. NX-100 only
