◎ Serial Interface
　　Port Type : RS-232 x 1 Port ( DB9 ) or RS-422/485 x 1
　　Port (4-pin Terminal Block, Auto Select)
　　Connector : Male DB9 / 4-pin Terminal Block
　　Speed : 300 bps ~ 230.4 Kbps
　　Parity : None , Odd , Even , Mark , Space
　　Data Bit : 5, 6 , 7 , 8
　　Stop Bit : 1 , 2
　　RS-232 : Rx , Tx , GND
　　(RTS to CTS, DTR to DSR and DCD are shorted)
　　RS-422 : Rx+ , Rx- , Tx+ , TxRS-485 : Data+ , DataBuilt–in : RS-422/485 pull high / low Resistor
　　Protection : 422/485 Surge & Over Current Protection
　　Built in 15KV ESD protection for all signals
　　Isolation : 3000V DC Optical isolation protection
　　Termination Built in 100 Ohm Termination resistor
　　Resistor switch On/Off
　　Distance : Up to 1250m

◎ Power
　　Input: DC 9 ~ 24V, 150mA@ 12VDC
　　Dual modes 2-pin screw terminal & DC jack adapter
　　Consumption <2w
　　Protection: 3000V DC to DC isolation protection
　　Wrong polarity input protection

◎ LED SYS (PWR), Rx, Tx

◎ Environment
　　Temperature : Operating: 0°C ~ 70°C (32°F ~ 158°F)
　　Storage: -20°C ~ 80°C (-4°F ~ 176°F)
　　Humidity : Operating: 10% ~ 95% non-condensing
　　Storage: 5% ~ 95% non-condensing

◎ Plug & Play installation

◎ 3000V DC isolation protection

◎ Built in 15KV ESD protection for signals

◎ RS-422/485 surge & over current protection

◎ Built in 100 ohm Termination resistor

◎ Dual modes power input: DC jack / Screw terminal