Chapter 2: Hardware Components
2-3
Table 2-1
Input/Output 10/100 Ethernet port
•
Console port.
This RS-232 connector is used for connection to a PC’s serial port via DB-9
serial cable at 38400 bps 8 N 1, without flow control. The input/output signals are listed in
Table 2-2
.
Figure 2-3
DB-9 Female Connector Pin Order
Table 2-2
Serial RS232 DB-9 Connector Pinouts
Pin #
Signal
Definition
Color
1
TX +
Transmit Data
White w/orange
2
TX -
Transmit Data
Orange
3
RX +
Receive Data
White w/green
4
RSVD
Reserved
Blue
5
RSVD
Reserved
White w/blue
6
RX -
Receive Data
Green
7
RSVD
Reserved
White w/Brown
8
RSVD
Reserved
Brown
Pin #
Function
Description
1
DTR
Data Terminal Ready
2
TXD
Transmit Data
3
RXD
Receive Data
4
CD
Carrier Detect
5
GND
Signal Ground
6
N.C.
No Connect
7
N.C.
No Connect
8
N.C. No
Connect
9
N.C.
No Connect
5 4 3 2 1
9 8 7 6
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