Specifications
Power
95
Others
As the IEEE 802.3af standard becomes more widely adopted, additional vendors are offering
IEEE 802.3af compliant products.
Mitel 3300 power dongle (Cisco compliant)
Certain older Cisco network switches are capable of providing power but are not fully IEEE
802.3af compliant. In this instance, a separate 3300 Power Dongle (Cisco-compliant) can be
used to get powered operation. The 3300 Power Dongle (Cisco-compliant) may not be required
when powering Mitel phones behind a Cisco Catalyst 4500/6500. For this to be the case, you
must ensure you are using an 802.3af-compliant version of the 4500/6500 switch.
Powering the 5560 IPT
The 5560 IPT is equipped with two ethernet ports labeled LAN 1 and LAN 2. The port labeled
LAN 1 complies with the IEEE 802.3af Power over Ethernet (PoE) standard. The port labeled
LAN 2 is not currently used, LAN 2 will be enabled at a future date.
The 5560 IPT should only be connected to LAN equipment via the port labeled LAN 1.
The following methods can be used to provide PoE to the 5560 IPT:
• Non-Redundant PoE: The 5560 IPT can be powered from a single PoE compliant L2 switch
through either of the two ethernet ports.
• Redundant PoE: Providing redundant PoE supplies is accomplished by connecting both of
the 5560 IPT's ethernet ports to PoE compliant L2 switches. The 5560 IPT will draw power
from both the LAN 1 and the LAN 2 connections. In the event that there is a power failure on
one of the LAN ports the 5560 IPT will continue to be powered from the remaining LAN port.
Planning a Power Over Ethernet Installation
When planning a power over Ethernet (PoE) installation, the following should be taken into
consideration:
• “Cable Power Loss” on page 96
• “Power Management Features in IEEE 802.3af Compliant Switches” on page 96
• “Phone Power Consumption” on page 96
Note: Some of the older versions of 4000 and 6000 series are not IEEE
802.3af-compliant (check before using). The older 3524XL-PWR and 3550-PWR are
not fully compliant and have been replaced by the newer 3560 series. For switches that
are not IEEE 802.3af-compliant, use the Mitel 3300 Power Dongle. (See page 95.)