Ensure that the Analog Services Unit is connected as shown in the Technician's Handbook.
To program an ASU
Analog Services Units form
Click Change and Select "ASU" from the Programmed Type field.
Related Topics
Program a Universal ASU
Program an ASU II
Program Embedded Analog
Program Analog Telephones
Program Analog Trunks
Program Music On Hold
Program Loudspeaker Paging