Toa N-8000MI - Manual (Page 12)

12
8. WIRING
8.1. Connection Diagram
9P removable terminal
plug (accessory)
N-8000MI
Contact input signals Contact output signals
To AC mains or a UPS
(Uninterruptible power supply)*
Note
If there is a danger of lightning
strikes, insert an appropriate
surge arrester into the power
line.
Be sure to ground this
terminal unless the unit
connects to a PBX.
1. Power supply connection
Connect the supplied power supply cord to AC
Mains or a UPS (Uninterruptible power supply).
About power supply cord handling
The supplied power supply cord is designed for
exclusive use with the N-8000MI.
Use the supplied power supply cord only with the
N-8000MI.
2. Contact input terminal connection
(Refer to p. 15, "Connector Connection.")
[Specification of no-voltage make contact input]
Short-circuit current: 10 mA
Open-circuit voltage: 12 V
3. Contact output terminal connection
Contact output terminals have no polarity.
(Refer to p. 15, "Connector Connection.")
[Specification of relay contact output]
Withstand voltage: 24 V DC
Control current: Max. 0.5 A
* Select an appropriate UPS taking into consideration the total power consumption of all system components
and the required backup time, and also the requirement that the UPS should employ the on-line power system.
Reference
Multi Inertface Unit: Maximum 19 W.
8-Port 10M/100M Switching Hub: 10 W (Differs depending on products.)
[General description of connection]
For cables, refer to p. 15.