Setup Guide

Table 2. Environmental parameters (continued)
Parameter Specifications
NOTE: Acoustic numbers indicate a potential high-to-low
range. Volume may increase as power demands and
environmental temperature rise.
● 25C operating @ 60% duty cycle, 8.2 bels
● 35C operating @ 70% duty cycle, 8.5 bels
● 45C operating @ 100% duty cycle, 9.3 bels
Back-to-front fan direction:
● 25C idle @ 30% duty cycle, 7.1 bels
● 25C operating @ 70% duty cycle, 8.4 bels
● 35C operating @ 80% duty cycle, 8.7 bels
● 45C operating @ 100% duty cycle, 9.1 bels
Table 3. AC power requirements
Parameter Specifications
Power supply
● 90–130 VAC (110 VAC nominal)
● 180–264 VAC (240 VAC nominal)
Maximum current draw per system
● 12.0/10.0 A at 100/120 VAC (one PSU operating)
● 6.8/5.7 A at 200/240 VAC (two PSUs operating)
Maximum power consumption (28x15W and 4x20W QSFP56-
DD optics)
● Low Line VAC: 1200 W (one PSU operating)
● Low Line VAC: 1362 W (two PSUs operating)
● High Line VAC: 1362 W
Typical power consumption 900 W
Table 4. DC power requirements
Parameter Specifications
Minimum and maximum input voltage range −40, –48V, –60V DC
Input current at full load with fan -40 V/34 A, -48 V/28.4 A, -60 V/22.7 A
26 Specifications