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C-2
RS-232 Serial:
PIN SIGNAL DESCRIPTION DIRECTION
1 FG Frame Ground
2 TXD Transmitted Data Out
3 RXD Received Data In
4 RTS Request to Send Out
5 CTS Clear to Send In
6 DSR Data Set Ready In
7 GND Signal Ground
8 DCD Data Carrier Detect In
9 DTR Data Terminal Ready Out
Ethernet (UTP):
PIN SIGNAL DESCRIPTION DIRECTION
1 TX+ Transmit+ Out
2 TX- Transmit- Out
3 RX+ Receive+ In
4 NC Not Used
5 NC Not Used
6 RX- Receive- In
7 NC Not Used
8 NC Not Used