Toa N-8000AF Installation Manual page 13

3. Audio input terminal connection
Connect the microphone, audio device, etc. to this
terminal using the two-core shielded cable.
[Audio input terminal specifications]
– 58 to 0 dB*, 2 kΩ, balanced.
This terminal inputs microphone level or line level
audio signals.
Use software to switch signal levels between
microphone and line.
H: Hot
C: Cold
E: Earth
4. Time sync input terminal connections
Connect the program timer, etc. to this terminal.
(Refer to p. 14, "Removable terminal plug connection.")
[Specification of no-voltage make contact input]
Short-circuit current: 5 mA
Open-circuit voltage: 24 V
Reference
Audio interface unit: 7 W (rated) for CE version, 7 W (rated) for CU version
8-Port 10M/100M Switching Hub: 10 W (Differs depending on products.)
Note
Please keep the terminal plug of the attachment not used importantly in preparation for increasing the system.
5. Contact input terminal connection
(Refer to p. 14, "Removable terminal plug connection.")
[Specification of no-voltage make contact input]
Short-circuit current: 5 mA
Open-circuit voltage: 24 V
6. Contact output terminal connection
Contact output terminals have no polarity.
(Refer to p. 14, "Removable terminal plug connection.")
[Specification of relay contact output]
Withstand voltage: 24 V DC
Control current: 2 mA – 500 mA
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.
* 0 dB = 1 V
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