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Works with RS-232 Serial DevicesConnects to switches, routers, barcode scanners, GPS units, point-of-sale devices, lab equipment, network storage devices, modems, graphics tablets and other devices with a DB9 serial port. Supports data transfer speeds up to 230 Kbps—twice as fast as a built-in serial port.Easy to Set Up and Use Right Out of the BoxNo external power supply is needed and only one connection is required. Simply connect the included three-foot (0.9-meter) USB cable between the unit's USB-B port and your computer's USB-A port. The unit is compatible with any USB cable up to 16 feet (4.9 meters). A green LED indicates data activity at a glance. The unit weighs only 2 ounces for convenient transport in a backpack or laptop bag.Compatible with Major Operating SystemsWorks with Microsoft Windows (up to Windows 11) and macOS X (up to Ventura 13.3.1), and includes Windows line monitor and data trace software. The unit supports both 32-bit and 64-bit systems and has continuously updated drivers available for download on the unit's Technical Support page.TAA-Compliant for GSA Schedule PurchasesThe USA-19HS is compliant with the Federal Trade Agreements Act (TAA), which makes it eligible for GSA (General Services Administration) Schedule and other federal procurement contracts.

USB to Gigabit Ethernet Adapter Connects You to a Wired 1G NetworkThis USB network adapter instantly connects your computer, notebook, MacBook Pro or Windows laptop to a wired Gigabit network through either a USB-A or USB-C port. No internal Ethernet card is required. Ideal for settings in which no Wi-Fi is available or when a wired connection offers faster speeds, this USB 3.2 Gen 1 adapter lets you enjoy true 10/100/1000 Mbps Ethernet speeds for uploading and downloading large files and streaming audio/video without buffering. Plug-and-Play Operation Gets You Online ImmediatelyThis bus-powered network adapter requires no external power source. Just connect the built-in USB-A plug to your computer (a USB-C adapter is included for connecting a USB-C or Thunderbolt 3 port), and use a Cat6 cable (such as N201-Series) to connect the RJ45 end to a network. LEDs indicate when the adapter is connected to your computer and your computer is connected to a network.Complies with Current IEEE StandardsThe U336-000-GB-CA is compliant with IEEE 802.3, 802.3u, 802.3ab and 802.3az standards. It supports full duplex with IEEE 802.3x flow control and half duplex with back-pressure flow control, as well as 10/100/1000 auto-sensing, Wake-on-LAN and IPv4 and IPv6 pack Checksum Offload Engine (COE) to reduce CPU loading. The compact unit fits easily into a pocket, purse, backpack or laptop bag for instant file transfers where needed. It’s compatible with Windows and macOS.

The U215-002 2-Port USB 2.0 Hi-Speed Printer/Peripheral Sharing Switch saves you money, time and precious workspace by letting you connect two computers to a single USB peripheral. Recommended for home and small offices, this sharing switch eliminates the cost of buying two printers, two scanners, two hard drives, etc., as well as the problem of where to put them and their cables.One-touch port switching lets you switch between computers using a mouse, hotkeys or manual pushbutton. Idle time-out switching ensures all data is sent from the active printer buffer before switching ports.A taskbar icon indicates the connected device’s status. LEDs on the unit indicate which computer currently controls the device. The U215-002 is compatible with USB 2.0 and USB 1.1 devices and supports data transfer rates up to 480 Mbps.No external power supply required. Switch is compatible with all USB-enabled Operating Systems. Optional CD software is compatible with Windows (XP and later) and Mac (OS X 10.3 and later).NOTE: Customers are encourage to use the 1.5 ft. USB cables provided between the source (e.g. PC) and switch.  Using longer cables could cause an intermittent or connection loss.

The U444-06N-HV4K USB 3.2 Gen 1 USB-C to HDMI/VGA 4K Adapter (M/2xF) helps you transmit digital audio and video from your tablet, laptop, notebook, MacBook, Chromebook, smartphone or PC to a high-definition television, monitor or projector. It’s an ideal tool for giving video presentations in conference rooms and classrooms, editing multiple documents on a larger screen or streaming video for digital signage.With a source device that also supports USB DisplayPort Alternate Mode, you can extend video from your primary display to another, duplicate the same video on both displays or change the second display to your primary.The plug-and-play USB-C to HDMI adapter requires no software, drivers or external power. Connect the reversible USB-C plug to your source device’s USB-C or Thunderbolt 3 port. The fumble-free USB-C plug connects in either direction to ensure fast, easy connection every time. Then, connect the HDMI port or the HD15 port to your HDMI or VGA display using a compatible cable (sold separately).The U444-06N-HV4K meets HDCP 1.4 specifications. It supports HDMI video resolutions up to 3840 x 2160 (4K x 2K) at 30 Hz and VGA video resolutions up to 1920 x 1200 (including 1080p) at 60 Hz. It also supports 300 MHz/3 Gbps per channel bandwidth (9 Gbps total). The HDMI port delivers rich 7.1-channel surround sound.