Artesyn ATCA-7470 Installation and Use (October 2014) - Manual (Page 50)

Hardware Preparation and Installation
ATCA-7470 Installation and Use (6806800P15K) 50
The blade must be connected to a TNV-2 or a safety-extra-low-voltage (SELV) circuit. A TNV-2
circuit is a circuit whose normal operating voltages exceed the limits for a SELV circuit under
normal operating conditions, and which is not subject to overvoltages from
telecommunication networks.
Table 2-3 Power Requirements
Characteristic Value
Rated Voltage
Exception in the US and Canada -48 VDC to -60 VDC
-48 VDC
Operating Voltage
Exception in the US and Canada -39 VDC to -72 VDC
-39 VDC to -60 VDC
Max. power consumption of ATCA-7470 (with ATCA-
7470-ACCEL-MOD and with RTM-ATCA-736x-10G
including SAS HDD) All product variants except ATCA-7470-
xGB-CE: 250W (typ. 215W)
ATCA-7470-xGB-CE variant: 300W (typ.
265W)
Max. power consumption of ATCA-7470 (without
ATCA-7470-ACCEL-MOD and without RTM) All product variants except ATCA-7470-
xGB-CE: 210W (typ. 170W)
ATCA-7470-xGB-CE variant: 260W (typ.
220W)