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LAN (RJ-45)
Pin Desc. Pin Desc.
A1 TCT VCC A2 M0+
A3 M0- A4 M1+
A5 M1- A6 M2+
A7 M2- A8 M3+
A9 M3- A10 RCT GND
A11 LED1 Y- A12 LED1 Y+
A13 LED2 G-O+ A14 LED2 G+O-
USB (USB type A connector)
B1 +5V B5 +5V
B2 USBD1- B6 USBD2-
B3 USBD1+ B7 USBD2+
B4 GND B8 GND
H1 GND H5 GND
H2 GND H6 GND
H3 GND H7 GND
H4 GND H8 GND
LAN1, 2: Ethernet Ports and Double-stacked
USB Ports (31, 30)
Connector type: RJ-45 connector with LED/Stacked
USB type A connector.
Pin Desc. Pin Desc.
11 5V 21 5V
12 USBD1- 22 USBD2-
13 USBD1+ 23 USBD2+
14 GND1 24 GND3
15 SSRX1- 25 SSRX2-
16 SSRX1+ 26 SSRX2+
17 GND2 27 GND4
18 SSTX1- 28 SSTX2-
19 SSTX1+ 29 SSTX2+
31 5V 41 5V
32 USBD3- 42 USBD4-
33 USBD3+ 43 USBD4+
34 GND5 44 GND7
35 SSRX3- 45 SSRX4-
36 SSRX3+ 46 SSRX4+
37 GND6 47 GND8
38 SSTX3- 48 SSTX4-
39 SSTX3+ 49 SSTX4+
H1 GND H4 GND
H2 GND H5 GND
H3 GND H6 GND
USB3: 4 x USB Port Connector (32)
Connector type: 4-stack USB 3.0/2.0 type A connector
COM1, 2, 3: Serial Port Connectors (24,
25, 27)
Connector type: 2.54mm pitch 2x5-pin box header
Pin Desc. Pin Desc.
1 2
9 10
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 N/C
COM4: RS-232/422/485 Connector (26)
Connector type: 2.54mm pitch 2x7-pin header
RS-232
Pin Desc. Pin Desc.
1 2
13 14
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
RS-485
/422
11 422TX+485+ 12 422TX-485-
13 422RX+ 14 422RX-
AUDIO3: AUX Audio Connector (28)
Connector type: 2.54mm pitch 2x5-pin box header
Pin Description Pin Description
9 10
1 2
1 MIC2_L 2 GND
3 MIC2_R 4 PRESENCE
5 LINE2_R 6 MIC2_JD
7 SENSE 8 N/C
9 LINE2_L 10 LINE2_JD
USB1, 2: USB Connectors (34, 33)
Connector type: 2.54mm pitch 2x5 pin header
Pin Desc. Pin Desc.
1 2
9 10
1 +5V 2 +5V
3 USBD1- 4 USBD2-
5 USBD1+ 6 USBD2+
7 GND 8 GND
9 N/C 10 N/C
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