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Table 2.3: COM Connector Pin Assignments
RS-232
Pin
Signal Name
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Note!
NC represents "No Connection".
2.4.1.2
Ethernet Connector (LAN)
MIOS-5250 is equipped with 2 Ethernet controllers that are fully compliant with IEEE
802.3u 10/100/1000 Mbps CSMA/CD standards. LAN1 and LAN2 are all equipped
with Intel 82583V Ethernet controller. The Ethernet port provides a standard RJ-45
jack connector with LED indicators on the front side to show its Active/Link status
(Green LED) and Speed status (Yellow LED).
Table 2.4: Ethernet Connector Pin Assignments
Pin
1
2
3
4
5
6
7
8
2.4.1.3
Audio Connector
MIOS-5250 offers stereo audio ports by three phone jack connectors of Line_Out,
Line_In, Mic_In. The audio chip is controlled by ALC892, and it's compliant with Aza-
lea standard.
MIOS-5250 User Manual
RS-422 (By request)
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
8
1
Figure 2.6 Ethernet connector
10/100/1000BaseT Signal Name
TX+
TX-
RX+
MDI2+
MDI2-
RX-
MDI3+
MDI3-
14
RS-485 (By request)
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC
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