Advantech AIR-500D User Manual page 26

2.3.1.1 COM Port Connector
AIR-500D provides up to four D-sub 9-pin connectors, which offers RS-232/422/485
serial communication interface ports. The default setting is RS-232, the mode RS-
422/485 of AIR-500D can be supported via the BIOS settings.
Table 2.2: COM Connector
RS-232
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
2.3.1.2 Ethernet Connector (LAN)
AIR-500D is equipped with up to 4x Ethernet ports. LAN1/2/3/4 controllers that are
fully compliant with IEEE 802.3u 10/100/1000 Mbps CSMA/CD standards.
These Ethernet ports 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).
For LAN1/2/3/4 Connector:
Table 2.3: Ethernet Connector Pin Assignments
Pin
C1
C2
C3
AIR-500D User Manual
Figure 2.3 COM Port Connector
Pin Assignments
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
Figure 2.4 Ethernet Connector
10/100/1000BaseT Signal Name
MDI_LAN_D0_P
MDI_LAN_D0_N
MDI_LAN_D1_P
14
RS-485
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC