About EX Controller
2.4.2 Optional Accessory
A Linux-compatible USB audio is required to support an external Music on Hold source.
Mitel recommends using Pluggable USB Audio Adapter. The USB audio can be plugged
into, USB1 or USB2 port of the EX Controller.
2.5 Models and Part Numbers
The following table describes the supported EX Controller models and their part
numbers.
Part Number Model
50008229 EX Controller with 4 GB RAM and 60 GB storage
50008230 EX Controller with 8 GB RAM, 120 GB storage, and Dual PSU
The following table describes the supported telephony cards for an EX Controller.
Part Number Telephony Card
50008234 DSP card
50008233 one Port PRI card
50008231 Four Port FXS card, loop limit of 450 m
50008232 Four Port FXO card
Note:
The following requirements apply only to Australia:
• FXS wiring cannot be bundled with any network cabling. FXS port wiring must be
routed in separate cables away from any network cables.
• The FXO interface is voice only, and does not support FAX or modem.
• The FXS and the FXS-LP (available in Q1 2021) interfaces are installed on-
premise only.
EX Controller Installation and Administration Guide 14
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