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Figure 10: ACM Module
There are two accessory ports on the back of the terminal footstand. Each port supports one
cartridge accessory. You cannot use two accessories that require the same port type at the
same time. For example, you cannot use two accessories that require a serial port connection
at the same time. The shape and size of the plug in the accessory cartridge prevents the user
from accidently connecting incompatible accessories.
To check the compatibility of accessories, see
page 81 before buying optional hardware.
Table 17: Compatibility of accessories
Analog Terminal Adapter
Key-based Expansion Unit
Personal Directory PC Utility
Meridian External Alerter and
Recording Interface
Display Expansion Module
Full Duplex Handsfree
Avaya 3900 Series Digital Deskphones User Guide
Table 17: Compatibility of accessories
ATA
KBA
PC
Utility
3
3
3
3
3
3
3
3
3
3
No
3
No
3
3
Installing the ACM into the footstand
MEARI
DBA
FDHF
3
3
3
3
No
3
3
3
3
3
3 (see
note)
3
3
3(see
3
note)
August 2010
on
81
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