CSE-T16 User Manual Ver. 1.2
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http://www.ezTCP.com
1.7.2
Serial Interface
CSE-T16 has 16 of RJ45-typed connectors for RS232 and it can be communicated with 300bps ~
115,200bps.
Figure 1-4 RJ45 connector for serial port
Serial port(RJ45)
Number
Name
Description
Level
I/O
Wiring
1
RTS
Request To Send
RS232
Out
Optional
2
DTR
Data Terminal Ready
RS232
Out
Optional
3
TXD
Transmit Data
RS232
Out
Required
4
GND
Ground
Ground
-
Required
5
GND
Ground
Ground
-
Required
6
RXD
Receive Data
RS232
In
Required
7
DSR
Data Set Ready
RS232
In
Optional
8
CTS
Clear To Send
RS232
In
Optional
Table 1-3 serial port (RJ45)
LEDs of serial port
Color
LED Status
Operation
Yellow
On
DSR (COM port is ready to communicate)
Blinking
CSE-T16 is sending data to the serial device
Green
On
DTR (TCP connection is being established)
Blinking
CSE-T16 is getting data from the serial device
Table 1-4 LEDs of serial port
Flow control
CSE-T16 supports RTS/CTS Hardware Flow Control.
