Allied Telesis AT-SBx31CFC960 - Manual (Page 284)

Appendix A: Technical Specifications
284
Available Power over Ethernet (Watts/port):
PoE Mode
Table 35. 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 36. 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
Table 37. PoE Mode
IEEE 802.3af / IEEE 802.3at: Alternative Mode A