Allied Telesis AlliedWare Plus - Power Supplies; System-Only Power Supplies; Figure 6: AT-PWR150, AT-PWR250, and AT-PWR250-80 Power Supplies

x930 Series Installation Guide for Virtual Chassis Stacking
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Power Supplies
Here are the five power supplies for the x930 Switches:
 AT-PWR150
 AT-PWR250
 AT-PWR250-80
 AT-PWR800
 AT-PWR1200
System-Only
Power Supplies
The AT-PWR150, AT-PWR250, and AT-PWR250-80 Power Supplies are
shown in Figure 6. They provide system power only. They are primarily
intended for the non-PoE AT-x930-28GTX, AT-x930-28GSTX, and AT-
x930-52GTX Switches. The AT-x930-28GTX and AT-x930-28GSTX
Power Supplies have AC connectors. The AT-PWR250-80 Power Supply
has a DC connector for DC wiring environments.
Figure 6. AT-PWR150, AT-PWR250, and AT-PWR250-80 Power Supplies
Here are the operating characteristics:
 The power supplies provide system power only. They do not
support PoE+ devices.
 A single power supply can power an entire switch.