Appendix E: Pin-outs
E-3
E.3.
C
ontroller Interfaces
E.3.1 DB-9 Serial Port Pinouts
The DB-9 serial port pin-outs are shown in
Figure E-1
and their definitions are given in
Table E-2
.
Figure E-1: DB-9 Serial Port
Pin
Pin Name
Pin Description
1
TX+
Transmitter positive
2
VCC
Power 5V
3
N/C
No connection
4
N/C (keylocked)
No connection
5
RX+
Receiver positive
6
TX-
Transmitter negative
7
GND
Ground
8
GND
Ground
9
RX-
Receiver negative
Table E-2: DB-9 Serial Port Pin-Outs
E.3.2 Ethernet Port Pin-outs
Ethernet port pin-outs are shown in
Table E-3
.
Pin
Pin Name
Pin
Pin Name
1
LAN_TXP
7
LAN_RXP
2
LAN_TXN
8
LAN_RXN
3
CT
9
Pulled High for Pin 10
4
N1
10
LAN_LEDG (Link OK)
5
N1
11
Pulled High for Pin12
6
CT
12
LAN_LEDY (Data transfer)
Table E-3: Ethernet Port Pin-out definitions
