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8. WIRING
8.1. Connection Diagram
* 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
Exchange: Maximum 50 W.
8-Port 10M/100M Switching Hub: 10 W (Differs depending on products.)
Note
Once the station line connected between a station and the
exchange is short-circuited or a ground fault occurs on the
cable, power cannot be supplied to the station even when
the short or ground fault is removed.
To restore the situation, be sure to disconnect the cable
connector at the station or exchange, and then connect it
again after several seconds.
Both upper and lower terminals
(clip terminals) are internally connected.
E-7000TB Terminal board
Station
Mini-clamp connector
232D-02S1B-DA5 (DDK)
(accessory)
Lines should be twisted
N-8000EX/8010EX Exchange
To AC mains or a UPS
(Uninterruptible power supply system)*
If there is a danger of lightning
strikes, insert an appropriate power
gap arrester into the power line.
16 lines
Note
Be sure to ground.
