Specification Brand : suckoo BulletPoint1 : Brand Suckoo Serial DB9 Pin RS232 Switcher Sharer Splitter 4 in 1 out 2 in 1 out 1 in 4 out Bidirectional switching (1 host at a time) 4 computer hosts laptop sharing monitor or hard disk Black. BulletPoint2 : This DB9 Pin RS232 Serial Switcher Sharer 4 in 1 out is a very practical device, it has 4 in 1 out interface, you can access the RS232 signal source in the 4 port RS232 input switcher, Such as 4 computer hosts, laptops external 1 monitoring or DVR and other equipment. Crossover cable serial connection. BulletPoint3 : In addition, it has 1 in and 4 out ports for external connection of 4 sets of surveillance or DVR devices. 1 computer host laptop input, external 4 sets of monitoring or DVR equipment (switch monitoring or DVR one of the use). Direct serial line connection, switching mode: manual button switching. BulletPoint4 : In addition, the RS232 switcher is capable of 2 in 1 out or 1 in 4 out bi-directional inter-conversion, providing stable quality and signal transmission for the connected devices. Compatible RS232 devices: such as computer mainframes, laptops and monitoring, DVR, instruments, meters, controllers and so on. Product color: black, product size: 12x4x9.5cm. BulletPoint5 : Overall, this RS232 Serial Switch 4 In 1 Out is powerful and high performance for home entertainment systems, conference rooms, showrooms, industrial controls, etc. It can conveniently connect up to 4 computer hosts and laptops (1 host at a time). BulletPoint6 : [★Note]: Please make sure your computer/device has at least one USB Type C port(support Data&Video&PD)before buying this 8K USB C switch. Please make sure you use the standard Thunderbolt 3/4 USB-C cable. If you use these cables and they don't work, swap the ends of the cables and reconnect them, because some monitors and laptop ports have fixed wiring direction, not standard universal usb-c port. Please feel free to contact us if you encounter any problems, and for the usb c switcher for 2 computers, we support the 24 hours email, and 2 years of after-sales. CircuitType : 1-way Color : Black. CompatibleDevices : Laptop CompatibleDevices1 : Personal Computer CompatibleDevices2 : Monitor CompatibleDevices3 : Printer ConnectivityProtocol : Vga ConnectorGender : Female-to-Male ConnectorType : RS232 DB9Pin ControllerType : Panel Button, OSD Menu, Hotkey ControlMethod : application CurrentRating : 2 amps CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 731626833511 ExternallyAssignedProductIdentifier2 : 0731626833511 ExternallyAssignedProductIdentifier3 : 00037332155481 FinishType : Hdmi IncludedComponents : cable IndoorOutdoorUsage : indoor InternationalProtectionRating : IP57 ItemDisplayDimensions_Height : 2 inches ItemDisplayDimensions_Length : 9 inches ItemDisplayDimensions_Width : 6 inches ItemName : Serial DB9 Pin RS232 Switcher Sharer Splitter 4 in 1 Out 2 in 1 Out 1 in 4 Out Bidirectional Switching (1 Host at a time) 4 Computer Hosts Laptop Sharing Monitor or Hard Disk ItemPackageDimensions_Height : 12.4968 centimeters ItemPackageDimensions_Length : 4.2926 centimeters ItemPackageDimensions_Width : 9.8044 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : computer-data-switches LightType : LED LowerTemperatureRating : -4 degrees_fahrenheit Manufacturer : suckoo Material : Plastic ModelNumber : suckoo 178 MountingType : Through Hole Mount NominalPower : 120 watts NumberOfItems : 50 NumberOfPins : 10 NumberOfPorts : 4 NumberOfPositions : 1 OperatingVoltage : 5 volts OperationMode : ON-NONE-ON PackageLevel : unit PartNumber : suckoo 178 PowerPlugType : type_e_2pin_fr ProductDescription : Brand Suckoo Serial DB9 Pin RS232 Switcher Sharer Splitter 4 in 1 out 2 in 1 out 1 in 4 out Bidirectional switching (1 host at a time) 4 computer hosts laptop sharing monitor or hard disk Black. This DB9 Pin RS232 Serial Switcher Sharer 4 in 1 out is a very practical device, it has 4 in 1 out interface, you can access the RS232 signal source in the 4 port RS232 input switcher, Such as 4 computer hosts, laptops external 1 monitoring or DVR and other equipment. Crossover cable serial connection. In addition, it has 1 in and 4 out ports for external connection of 4 sets of surveillance or DVR devices. 1 computer host laptop input, external 4 sets of monitoring or DVR equipment (switch monitoring or DVR one of the use). Direct serial line connection, switching mode: manual button switching. In addition, the RS232 switcher is capable of 2 in 1 out or 1 in 4 out bi-directional inter-conversion, providing stable quality and signal transmission for the connected devices. Compatible RS232 devices: such as computer mainframes, laptops and monitoring, DVR, instruments, meters, controllers and so on. Product color: black, product size: 12x4x9.5cm. Overall, this RS232 Serial Switch 4 In 1 Out is powerful and high performance for home entertainment systems, conference rooms, showrooms, industrial controls, etc. It can conveniently connect up to 4 computer hosts and laptops (1 host at a time). ProductSiteLaunchDate : 2023-10-10T07:02:25.742Z Size : 12x9.5x4cm SpecificationMet : CE SpecificationMet1 : CE SpecificationMet2 : FCC Style : 3 DP Monitors 4K@144Hz Hotkey SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SwitchType : Push Button TerminalType : Through Hole UnitCount : 1 UnspscCode : 43220000 UpperTemperatureRating : 50 degrees_celsius Voltage : 3.6 WarrantyDescription : 1 year warranty WarrantyType : Limited