Allied Telesis Layer 3 Gigabit Ethernet Switch x600-24Ts-POE - Manual (Page 66)

Chapter 3: Installing the Hardware
66
Caution: The unit does not contain field serviceable
components. Please return damaged units for servicing.
Caution: The Ethernet POE ports are only intended for
installation in Environment A as defined in IEEE 802.3af. All
interconnected equipment must be contained in the same
building including the interconnected equipment’s associated
LAN connections.