OfficeServ 7200 System Description
© SAMSUNG Electronics Co., Ltd.
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Table 2.33 Ports and LEDs of the GSIMT
Ports, LEDs
Functions
P1~12
Ports that connect to the 10/100/1000 BASE-TX GbE (Gigabit Ethernet)
SIO
Port that connects to the RS-232
DBL
Port that connects to the LAN for debugging purpose
Left LED of P1~6
Indicates whether the P1~6 are operating in 10/100/1000 BASE-TX mode
- Alternates between green and orange: In operation as 10 BASE-T
- Green Light: In operation as 100 BASE-TX (blinks if active)
- Orange Light: In operation as 1000 BASE-TX (blinks if active)
Right LED of P1~6
Indicates whether the P7~12 are operating in 10/100/1000 BASE-TX mode
- Alternates between green and orange: In operation as 10 BASE-T
- Green Light: In operation as 100 BASE-TX (blinks if active)
- Orange Light: In operation as 1000 BASE-TX (blinks if active)
PWR LED
Power Supply Status
- On: The power is being supplied normally
RUN LED
GSIMT Operation Status
- Blinking: The RAM programming is running
LNK LED
Turns on if the DBL port link is connected
SPD LED
Indicates whether the DBL port is operating in 10/100BASE-T Ethernet mode
- Off: In operation as 10 BASE-T
- On: In operation as 100 BASE-TX (blinks if active)
RST
Button for resetting the GSIMT
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
