10 Model 51i IP Phone Installation Guide
Installation and Setup
Inline Power Not Provided
If your network does not provide 802.3af compliant in-line power, you have to
install the power adapter or the PoE inline power supply (optional accessory).
1. On the top of your phone, connect the Ethernet cable (provided with
your phone) into the network port marked with
LAN
.
2. On the PoE power injector, plug the other end of the Ethernet cable into
the network jack marked as indicated in the following illustration.
3. On the PoE power injector, connect an additional Ethernet cable into the
network port as indicated in the following illustration.
4. Plug the other end of the Ethernet cable into the network jack on the
wall.
5. Plug the PoE power injector into a power outlet.
Note: You should connect the power supply to a surge protector or power bar. All
Ethernet cables used must be minimum category 5/5e straight-through
cables, such as the cable provided with your phone.
PoE
Power injector
(if Inline power or the
power adapter are
not provided)
Power Outlet
To Network
Jack
To Phone
Ethernet
Cables
Network Jack
To PoE
