Motherboard COM serial baffle line 9DB pin baffle line nine pin COM serial line Motherboard COM serial port lead/extension port chicle connector wire/nine pin COM serial cable. A header for the standard 9-pin COM interface. 254 Further a head of the motherboard insert the needle. The baffle joins the PCI slot on the back of the hole. Easy and Easy to install, add a 9 pin COM port to your PC Product Description: 1. Used to extend the COM interface connected to the motherboard and the vintage gamepad interface, you must have this extension function for the motherboard to be used ~ the length of the wire is about 30cm 2. COM connection cable with baffle, cable installed on the motherboard serial port, can add the computer COM port, with baffle installed on PCI Motherboard COM serial baffle line 9DB pin baffle line nine pin COM serial line Motherboard COM serial port lead/extender port chicle connector wire/nine pin COM serial cable. 9 pin COM mouth backsplash line A header for the standard 9-pin COM interface. Additionally a header from the motherboard insert the needle. The baffle joins the PCI slot on the back hole. Easy and easy to install, add a 9 pin COM port to your computer. Product Description: 1. Used to extend the COM interface connected to the motherboard and the vintage gamepad interface, you must have this extension function for the motherboard to be used ~ the length of the wire is about 30cm 2. COM connection cable with baffle, cable installed on the motherboard serial port, can add the computer COM port, with baffle installed on PCI Motherboard COM serial baffle line 9DB pin baffle line nine pin COM serial line Motherboard COM serial port lead/extender port chicle connector wire/nine pin COM serial cable. 9 pin COM mouth backsplash line A header for the standard 9-pin COM interface. Additionally a header from the motherboard insert the needle. The baffle joins the PCI slot on the back of the hole. Easy and easy to install, add a 9 pin COM port to your computer.