Installation and Maintenance Manual
Avaya B179 SIP Conference Phone Installation and Administration Guide
36
CONNECTING A PA INTERFACE BOX
The Avaya B179 can be connected to an external PA system using a PA interface box.
Connect the PA-box to the AUX port on Avaya B179 with the included cable.
Connect the external amplier to the RCA connector marked with a speaker.
Connect the microphone mixer to the RCA connector marked with a microphone.
Changing the auxilary port setting
Select Settings > Basic.
Select PA under the heading Auxilary port to aktivate the functions for external micro-
phones and speaker system.
Click on Save.
Do not select the PA option unless a PA system is connected. This option turns off the
internal microphone and internal speakers as default.
On phone: > SETTINGS > BASIC > AUX PORT (6,1,5).
HEADSET AND PA INSTALLATION AND SETTINGS
AUX port
PA interface box
To amplier/speakersTo mixer/microphone2.5 m connection cable
Always disconnect the power supply from the
electrical outlet before disconnecting or connec-
ting equipment to the Avaya B179.