Eport-E10 Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
- 10 -
HF5111A Interface Definition
Table2.
Function
Name
Description
External
Interface
RJ45 Ethernet 10/100M Ethernet
RS232
RS232 Communication
RS485/RS422 RS485/RS422 Communicaton
Earth
Protect Earth
DC Input
DC Power 5~36V Input or 9~50VDC
LED
Indicator
Power
Internal Power Supply Indicator
On：Power is OK
Off：Power is NG
Link
Connection Indicator
On: Ethernet connection is OK
Off: No Ethernet connection
Active
Data transfer Indicator
On：Data is transfering.
Off：No data transfer
Button
Reset
Reset device
Switch
Protect
Device parameter protect
On: Enable protect, working parameter can not
be modified.
Off: Disable protect.
2.2. RS232 Interface
Device serial port is male(needle), RS232 voltage level(can connect to PC directly), Pin Order is
cosistent with PC COM port. Use cross Cable connected with PC(2-3 cross, 7-8 cross, 5-5 direct, 7-8
no connection), see the following table for pin defination.
Figure 4.
RS232 Pin Defination(Male/Needle Type)
RS232 Interface
Table3.
Pin Number Name
Description
2
RXD
Receive Data
3
TXD
Send Data
5
GND
GND
IOTWORKSHOP
