State Indication Of The Rs232-Rs485-Eth Interface; Technical Specification Of Rs232, Rs485 And Ethernet - Advantech SmartFlex SR304 User Manual

State indication of the interface:
Description of indication
ETH2 – green LED
ETH2 – Yellow LED
RS485, RS232 – green LED
RS485, RS232 – yellow LED
Table 28: State indication of the RS232-RS485-ETH interface
Technical specification of RS232, RS485 bus and Ethernet IEEE 802.3:
ETH2, RS485 and RS232 interface
Max. operating RS232 bus current
Max. number of devices on RS485 bus
Max. output current on RS485 bus
Max. data rate
Max. total cable length (300 Bd, 200 nF/km)
Table 29: Technical specification of RS232, RS485 and Ethernet
SmartFlex SR304
On Selected 100 Mbps
Off Selected 10 Mbps
On The network cable is connected
Blinking Data transmission
Off The network cable is not connected
Indicates Receive data
Indicates Transmit data
15 mA
32
60 mA
230400 bps on RS232
230400 bps on RS485
100 Mbps on ETH2
RS232 20 m
RS485 1200 m
ETH2 100 m
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