The 2-meter (6.6-foot) long zero modem USB serial adapter extends a desktop or laptop by a serial RS-232 DB/DE-9 (female) connection via a USB type-A port. Attach the adapter to a serial device using the pre-installed and removable slotted D-Sub knurled screws or install the supplied DB-9 nuts for compatibility with other serial peripherals or cables. The data transfer and receive LED indicators on the adapter provide real-time monitoring of port activity. The USB light indicates when the adapter successfully logs on to the desktop or laptop. All LEDs help with diagnosis and troubleshooting. The adapter is compatible with Windows, MacOS, ChromeOS and Linux. The drivers are installed automatically for Windows 7 and later versions, MacOS 10.15 and later as well as Linux. The USB to RS-232 Adapter has a COM retention that automatically reallocates the COM port value when the cable is disconnected and reconnected, or when the system is rebooted. The robust TPE construction and ESD protection of level 4 (15 kV air and 8 kV contact) increase the reliability and longevity of the USB to the serial adapter. The copper shielding minimizes electromagnetic and high-frequency interference (EMI and RFI). Gold-plated connectors improve the signal conductivity.
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