User guide

ECW-281B-D2550 Embedded System
Page 88
6.3.1 Ethernet Connectors (LAN1, LAN2)
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 MD0+ 5 MD2+
2 MD0- 6 MD2-
3 MD1+ 7 MD3+
4 MD1- 8 MD3-
Table 6-21: Ethernet Connector Pinouts
6.3.2 RS-232 Serial Port (COM1)
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 GND
Table 6-22: RS-232 Serial Port Pinouts
6.3.3 USB Connectors (USB1)
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 VCC 2 VCC
2 DATA- 4 DATA-
3 DATA+ 6 DATA+
4 GROUND 8 GROUND
Table 6-23: USB Connector (USB1) Pinouts