The image schematically describes which device to connect to which jack.
No. Name Description
1 5V DC Jack To connect the power supply.
2 Network and PoE port To connect the Ethernet cable. It also can
be used as both Power and Ethernet port.
3 PC port To connect the computer.
Note:
PC port is disabled when a Wi-Fi
network is used.
4 Headset Jack To connect the headset.
5 Handset Jack To connect the handset.
Table continues…
Phone overview
April 2021 Using Avaya J189 SIP IP Phone in Open SIP 19
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