2N StarGate/BlueTower v5.4 - Manual (Page 16)

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2N TELEKOMUNIKACE a.s., www.2n.cz
®
Figure: with 4 UMTS Boards, Basic CPU, 2 ISDN PRI, VoIP Interfaces 2N BlueTower
®
Note
Please keep all cards in the right positions. Wrong positions will
cause malfunction of whole system!
In the case of VoIP card replacement by ISDN PRI (and vice
versa) please read the instructions in Section
. 2.4 Installation
Power Supply
The system uses an industrial power supply unit with natural cooling and an auxiliary
external fan, which is switched on automatically whenever the power supply
temperature exceeds 70°C. The power supply unit is designed with a 30% reserve
even under the maximum load.
Power supply types
Internal 90–260V / 50 – 60 Hz (output 5V / 30A).
Caution
Make sure that the incoming supply is matching the requested
values!
High voltage may cause a serious injury or death!
Tip
You are recommended to connect the gateway to the UPS
system.