Connection jacks of a J159 IP Phone

Last Updated : Mar 31, 2025 |

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.