Toa N-8000 Series Ver.1.41 User Manual

Page 123

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3-27

Chapter 3: INSTALLATION & WIRING

To the tie-line unit of intercom system
or the PBX's analog E&M interfaces

Mini-clamp connector
232D-02S1B-DA5 (DDK)
(supplied with the N-8000MI)

To network

RJ-45 connector

BGM player, etc.

Control output

Control input

Line output *

1

Line input *

1

Amplifier, etc.

*

1

Connect the Line input cables in a way as shown below according to the type
of connected unit's input or output.

N-8000MI

N-8000MI

Connecting to a balanced input or output

Connecting to an unbalanced input or output

Connected Unit

Connected Unit

Hot (H)

Hot (H)

Cold (C)
Earth (E)

Earth (E)

8P removable
terminal plug
(supplied with
the N-8000MI)

Input volume
controls

N-8000MI

M

E

M

E

Note
You can use only either of
the Audio input/output
CH1 terminals or the PBX
interface CH1 terminal.
Likewise, it is the same for
CH2.

4. Audio input terminal connection

Audio input terminals have no polarity.
(Refer to

p. 3-32

, Terminal plug connection.)

[Specification of audio input]
Max. 0 dB*

2

, over 10 kΩ, balanced

Audio input sensitivity for each channel can be
adjusted in the range of 0 to –25 dB*

2

with the

input volume control. Adjust the input sensitivity
depending on the equipment to be connected.
(Default factory setting: 0 dB*

2

)

[Specification of control input]
No-voltage make contact
Short-circuit current: 10 mA
Open-circuit voltage: 12 V

5. Audio output terminal connection

Audio output terminals have no polarity.
(Refer to

p. 3-32

, Terminal plug connection.)

[Specification of audio output]
Max. 0 dB*

2

, under 600

, balanced

[Specification of control output]
Relay contact output
Withstand voltage: 24 V DC
Control current:

Max. 0.5 A

6. PBX interface terminal connection

Differs depending on the connections to the
Exchange of the EXES-2000 or EXES-6000 by a
tie-line, or to the PBX exchange via the analog
E&M interface.
(Refer to

p. 3-28

for the connection method.)

(Refer to

p. 3-32

, Connector connection.)

7. Network connection

Can be connected to a network of 10BASE-
T/100BASE-TX in auto-sensing.
Use a straight through cable of UTP category 5 or
more for this connection.

*

2

0 dB = 1 V

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