Feature 1Input Signal: 4 input ports, supports up to 115,200bps, selectable auto manual switching by external switch, selectable primary secondary input by external switch. 2Safe Operation: The marine serial line splitter supports over voltage protection, over current and surge voltage protection, reverse input and over current protection. 3Practical: There are wiring instructions at the wiring area to prevent wiring errors, and pluggable screw terminals for quick and easy installation and diagnostics. 4Design: Galvanic isolation of Each output group, input, main circuits and power, selectable RS232, RS422, TTL on 8 output port. 5Durable Material: Made of aluminium alloy shell, anti rust treatment, will not be oxidized and corroded by seawater or air, long term durability.Item Type:MarineSerialLineSplitterMaterial:Aluminium alloyInput Signal: 4 input ports, galvanic isolation, supports up to 115,200bps, selectable auto manual switching by external switch, selectable primary secondary input by external switch8 Way Output Ports: Support RS232/RS422/ TTL Signal(Selectable by jumper)Input Port: Over Voltage Protection(DC 36V 1 min)Output Port: Over Current and Surge Voltage ProtectionInput Power: Reverse Input and Over Current ProtectionInput Power: DC 24V (DC 18~32V), 0.5AElectronic Fuse, No Replacement RequiredTemperature: -0.5C ~ +55C(-59~131)Humidity: 95% .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x MarineSerialLineSplitter