User's Manual

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2-2

Chapter 2: UNIT AND SOFTWARE INSTALLATIONS

1. CONNECTIONS

1.1. Power Source Connections

1.1.1. When using a 24V DC power source

Connect a 24V DC power source to the unit's DC INPUT terminal.

NX-100 only

To 24V DC power source

24V

DC INPUT

200mA

10/100M

AC ADAPTER

24V 200mA

DC INPUT

Notes

• Be sure to connect the unit's FG terminal to the

ground terminal of the amplifier or mixer.

• The DC power supply must have a capacity of

over 200 mA.

• The range of input voltage to be fed to the DC

INPUT terminal should be between 21.6 V and

26.4 V DC. If the input voltage exceeds this range,

the unit may malfunction or fail.

• Refer to p. 2-5, CONNECTIONS TO TERMINAL

PLUGS, for connector connection procedures.

1.1.2. When using the AC adapter

Connect the AC adapter* to the unit's AC adapter terminal. Pinch the cord with a clamp and securely fix it.

* Use the AC adapter AD-246 (optional) or the equivalent. As for the usable adapter, consult your TOA dealer.

Cord clamp

AC adapter

SIGNAL

GND

10/100M

24V 200mA

INPUT

Ferrite clamp SFC-8 (supplied with the NX-100S only)

This figure represents the NX-100S.

Note

When noise interference affects voice output, connecting

the unit's Earth terminal (FG terminal for the NX-100,

SIGNAL GND terminal for the NX-100S) to the ground

terminal of the connected amplifier or mixer may improve

the condition.

1.1.3. When simultaneously using the 24V DC power supply and the AC adapter

When both the 24 V DC power supply and the AC adapter are simultaneously used, the AC adapter takes

precedence. However, should power from the AC adapter be interrupted due to a power failure, etc., the

power supply will automatically switch over to the unit's 24 V DC power source. Connecting a battery directly

to the DC INPUT terminal also permits it to be used as backup power supply during a power failure.

NX-100 only

Mount the ferrite clamp (supplied with the NX-100S) on the cable in a way that the cable is looped

one turn as illustrated. (This countermeasure is for complying with the CE marking requirements.)