Upstream
Mesh topology
Serial printers are connected via the serial (COM) port of the computer. "Non-serial" printers are connected through another interface, such as the parallel port, USB, ADB. FireWire, etc...
A serial mouse, some older dot matrix printers...
Mrs. Purisima
Chanel is a perfume... originally. now it has a fashion line too
These interface products turn regular USB ports into ports for serial products that can be connected to other serial components for communication uses.
Computer peripherals are connected to ports. For instance, a printer may be connected to a serial or parallel port. Modern keyboards and mice are commonly connected to the computer using the USB port.
usb port driver, serial adapter,
Drivers are connected to the motherboard with ribbon cables or thinner SERIAL ATA cables.
On the telephone side, they are usually connected via a telephone cable to a wall telephone walljack. On the computer side they usually connected via a serial cable to the computer's serial port. Serial ports can have either 9 pin or 25 pin connectors, and so are often confused with parallel ports, which also can have 25 pin connectors.
serial cable
The serial number 27030 is not directly associated with a particular boat. That number is most likely a partial serial number.