Wireless: FSII Base II connected to 3rd party matrix causing audio feedback
Feedback’ sound from FSII-Base II 4-wire portsinto intercom Matrix:
When a FSII beltpack user walks into the controlroom were the intercom panels are located with their talk button latched, feedbackmay occur (normal acoustic).
Occasionally (can be months apart) the feedbackwill persist out the 4-Wire ports even after the Talk key on the FSII beltpackhas been unlatched.
The feedback can be heard on the intercom panels.
The feedback cannot be heard on thebeltpacks.
Unplugging the cable on the FSII 4-wire portstops it from being heard in the matrix system. Reconnecting the cable willreintroduce the noise.
Power cycling the FSII base stops it.
Solution:
4-wire ports should not feedback on their own.We’ve seen the same symptom puzzle people oncebefore, and in that occasion it turned out to be that the 4-wire was linked tothe 2-wire ports via a channel. The 2-wire port was not terminated and notnulled, so reflecting.Please check the configuration with the customer toexclude this.
Also make sure the4wire cable between the FSII base II and the intercom matrix 4wire port do NOT have pins 1/2 and 7/8 connected (on the FSII Base II side) , only pins 3/6, & 4/5 on the FS II Base II 4wire port should be connected
When a FSII beltpack user walks into the controlroom were the intercom panels are located with their talk button latched, feedbackmay occur (normal acoustic).
Occasionally (can be months apart) the feedbackwill persist out the 4-Wire ports even after the Talk key on the FSII beltpackhas been unlatched.
The feedback can be heard on the intercom panels.
The feedback cannot be heard on thebeltpacks.
Unplugging the cable on the FSII 4-wire portstops it from being heard in the matrix system. Reconnecting the cable willreintroduce the noise.
Power cycling the FSII base stops it.
Solution:
4-wire ports should not feedback on their own.We’ve seen the same symptom puzzle people oncebefore, and in that occasion it turned out to be that the 4-wire was linked tothe 2-wire ports via a channel. The 2-wire port was not terminated and notnulled, so reflecting.Please check the configuration with the customer toexclude this.
Also make sure the4wire cable between the FSII base II and the intercom matrix 4wire port do NOT have pins 1/2 and 7/8 connected (on the FSII Base II side) , only pins 3/6, & 4/5 on the FS II Base II 4wire port should be connected
CAN'T FIND YOUR ANSWER? CLICK HERE TO CONTACT SUPPORT
This solution was provided to you by Clear-Com via a question submitted to us by customers like you. If your question wasn’t answered, you need help or you have a recommended solution for our database, please send us an email at support@clearcom.com
The information on this page is owned by Clear-Com and constitutes Clear-Com’s confidential and proprietary information, may be used solely for purposes related to the furtherance of Clear-Com’ business and shall not be disclosed, distributed, copied or disseminated without Clear-Com’s prior written consent. Click Here for Clear-Com's privacy statement.