AASTRA 57i Guia Da Instalação

Model 57i IP Phone Installation Guide 9

Shared Network Connection 

To connect a network device (such as a computer) to the phone, connect an 
Ethernet cable into the network port on the top of the phone marked 

. 

Plug the other end of the Ethernet cable into the network port on the 
network device with which you are sharing the network connection.

Note: The 

 jack on the 57i does not supply inline power onto other network 

devices. All Ethernet cables used must be category 5/5e straight-through 
cables, such as the cable provided with your phone

Connecting to the Network and to Power
Inline Power Provided

If your network provides 802.3af compliant in-line power, the phone is 
powered through the network. 
1. On the top of your phone, connect the Ethernet cable (provided with 

your phone) into the network port marked with 

. 

2. Plug the other end of the Ethernet cable directly into the network jack on 

Ethernet
  Cables

Other Network Devices

 

Network Jack

(if Inline power provided,
do not install the power adapter)

Power
Adapter

To Network

To Other 
Network Device

Power Adapter
Connection