Specifications

CHAPTER 2. Hardware of the OfficeServ 7200
2-54 © SAMSUNG Electronics Co., Ltd.
2.3.5 Voice Application Board
This section describes the interface board that uses the DASL to send/receive voice to/from
the phone system and wireless base station as well as the board that converts voice to data
and then sends/receives the data.
2.3.5.1 MGI16
The MGI16 converts the voice into data and transmits the data through the data network.
It supports a maximum of 16 channels and provides the G.729, G.723, G.711 voice
compression/decompression function. It also provides a T.38 specification compliant Fax
function. The MGI16 is not available for MP20S.
Major Functions
The major functions of the MGI16 are as follows:
 Voice decompression (Codec): G.729, G.723, and G.711
 Fax Relay Function: Providing 1 FAX channel according to Voice 1 channel
 Echo cancellation: Dual Filter EC (Enhanced EC)
 Volume adjustment (-14~+6 dBm)
 Silence suppression
Front View of MGI16 Board
The front view of the MGI16 is shown in the figure below:
Figure 2.39 Front View of the MGI16
RST
MGI16
LAN
SIO
PWR RUN
LAN
Tx
SVC
LAN
Rx
DSP RTPT RTPR