Installation guide
SwitchBlade x8112 Chassis Switch Installation Guide
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Maximum power supply efficiency (based on 100V input voltage)
Heat dissipation (British Thermal Units/hour)
Available Power over Ethernet (Watts/port):
Table 27. Maximum Power Efficiency
12V PSU 78.4% (100% load)
81.8% (50% load)
56V PSU 81.3% (100% load)
83.6% (50% load)
Table 28. Heat Dissipation
AT-SBx81GT24 117.44 BTU/hr
AT-SBx81GP24 117.44 BTU/hr
AT-SBx81GS24a 192.21 BTU/hr
AT-SBx81XS6 187.02 BTU/hr
AT-SBx81CFC400 164.91 BTU/hr
Table 29. Available Power Over Ethernet with One PoE Power Supply
One PoE Power Supply Installed 1200 W @ 56 VDC
IEEE 802.3at Class 4 (30 W /port) 40 ports Maximum
IEEE 802.3af Class 3 (15.4 W /port) 77 ports Maximum
IEEE 802.3af Class 2 (7.3 W /port) 171 ports Maximum
IEEE 802.3af Class 1 (4.0 W /port) 240 ports Maximum
Table 30. Available Power Over Ethernet with Two PoE Power Supplies
Two PoE Power Supply Installed 2400 W @ 56 VDC
IEEE 802.3at Class 4 (30 W /port) 80 ports Maximum
IEEE 802.3af Class 3 (15.4 W /port) 155 ports Maximum
IEEE 802.3af Class 2 (7.3 W /port) 240 ports Maximum
IEEE 802.3af Class 1 (4.0 W /port) 240 ports Maximum