Table 2.2: Com Connector Pin Assignments - Advantech ARK-2121 User Manual

Table 2.2: 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".
2.3.1.2 Ethernet Connector (LAN)
ARK-2121L is equipped with two Ethernet controllers that are fully compliant with
IEEE 802.3u 10/100/1000 Mbps CSMA/CD standards. LAN1, LAN2 are all equipped
with Intel i210 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 2.3: Ethernet Connector Pin Assignments
Pin
1
2
3
4
5
6
7
8
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
8 1
Figure 2.4 Ethernet connector
10/100/1000BaseT Signal Name
TX+
TX-
RX+
MDI2+
MDI2-
RX-
MDI3+
MDI3-
11
RS-485
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC
ARK-2121 User Manual