SystemBase Eddy DK, Руководство программиста

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Eddy DK Programmer Guide
37
2.4.4.1. WAN & LAN Interface
WAN & LAN Port automatically recognizes Cross/ Direct.(auto MDIX)
Pin Signal Description
1 TXD+ Transmit Data +
2 TXD- Transmit Data -
3 RXD+ Receive Data +
6 RXD- Receive Data -
LED Description
Left Green
Upon 100BaseT link, it lights
Upon 10BaseT link, it off
Right Yellow
Default Lights, When the data is sent or
received, it blinks.
2.4.4.2. COM Port 1 & COM Port 2
RS232
Pin Signal Description
1 DCD Data Carrier Detection (Input) (COM Port 1 only)
2 RXD Receive Data (Input)
3 TXD Transmit Data (Output)
4 DTR Data Terminal Ready (Output) (COM Port 1 only)
5 GND Ground
6 DSR Data Set Ready (input) (COM Port 1 only)
7 RTS Request to Send (Output)
8 CTS Clear to Send (Input)
9 RI Ring Indicator (Input)