20 Installation Guide APC Silcon 480kW 400V UPS
990-4053
External Connection
4.6 Connecting of APC Silcon Tripel Chassis
The enclosed Triple Chassis must be connected to the serial port on the Communication
Interface Board, and to the 24V supply (cables included). Terminal locations shown below.
480
APC Silcon Triple Chassis
Front view of UPS Cabinet (doors open)
X50 is a 24V supply for Triple Chassis.
Only to be used for this purpose.
Not suitable for telephone equipment.
Triple Chassis must be connected to both
X50 and a serial port.
Serial ports
X50
For more information please refer to the following section.