To install the analog terminal adapter – Meridian Audio M3900 User Manual
Page 91

Installation
Page 91 of 174
M3900 Series Meridian Digital Telephones Description, Installation and Administration
The shape and size of the plugin the accessory cartridge prevents the user
from accidentally connectingincompatible accessories. To check the
compatibility of accessories, refer to Table 7 which shows the optional
accessories and their compatibility.
Make sure you refer to the compatibility chart Table 7 “Accessory
compatibility” on page 47 before you purchase your optional hardware
accessories.
To install the Analog Terminal Adapter
The AnalogTerminal Adapter (ATA) allows an off-the-shelf analogdevice
(FAX, modem, or analogtelephone (500/2500)) to work simultaneously with
your M3902, M3903, M3904, or M3905 Meridian Digital Telephone. The
ATA is not supported on the M3901 telephone.
Figure 12
ACM module
553-8967