Connection jacks of a J159 IP Phone

Last Updated : Mar 31, 2025 |
Prolog information
The following image illustrates the connection jacks that are present on the back panel of Avaya J159 IP Phone.
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 port
To connect the Ethernet cable.
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.
6
WLAN Module Panel
To integrate the wireless module for Wi-Fi and Bluetooth support.
7
PoE Slide Switch
To set the PoE value to one of the following:
  • L: Class 1
  • H: Class 2
8
USB Port
To connect the USB device.