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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.

The SR42UBEXP is an expansion model used when several cabinets are bayed together. It has doors and a roof but no side panels. Its integrated baying tabs make it easy to combine multiple enclosures in rows fro data center application. The SR42UBEXP is also compatible with hot aisle/cold aisle configurations.The SR42UBEXP houses 3500 lbs (1588 kgs) of standard 19-inch rack equipment in 42U. Offers vendor-neutral square hole/cage nut mounting for guaranteed compatibility with all EIA-310-E compliant 19" equipment. Its front and rear pairs of vertical rails are adjustable in quarter-inch increments from 4 to 37 inches. Adjustment is quick and an easy-view depth index ensures consistent rail placement without requiring time-consuming measurements. Each rack space within the enclosure is numbered for ready reference. Two of these adjustable vertical mounting rails support toolless button-mount 0U installation of up to four compatible PDUs and cable managers. This feature makes it easier to route cabling to rack equipment and reduces cord clutter.The top panel of the SR42UBEXP is vented to help remove warm air from the enclosure and draw in cool air by convection. The top panel includes ports for cable routing, and can be quickly removed without tools. To facilitate cable access, the SR42UBEXP is open-bottom.All components of the SR42UBEXP are grounded to the enclosure frame. Front and rear threaded grounding points are provided for connection to the facility earth ground. The removable front and rear doors feature quick-release ground wires.To simplify deployment, the SR42UBEXP comes with preinstalled casters that enable it to be easily maneuvered into the desired location, where it can be secured by adjusting the preinstalled levelers. Note: the casters are intended for minor position adjustments and are not designed for moving the enclosure over long distances.

The SR25UB premium SmartRack® Enclosure Cabinet is packed with features designed to simplify rack equipment installations and rack equipment maintenance: top and bottom cable routing ports, perforated door and side panels to promote efficient airflow, adjustable vertical mounting rails and more. And as part of the SmartRack family, the SR25UB is compatible with an extensive range of rack-mount accessories, enabling you to customize your solution to meet any requirement. The SR25UB ships fully assembled for quick installation.The SR25UB has 25U of capacity and is compatible with all standard 19-inch rack equipment. The front and rear pairs of vertical rails feature square mounting holes and are numbered by rack space for easy reference. The rails are adjustable in quarter-inch increments to accommodate equipment depths from four to 37 inches. Adjustment is quick and convenient: simply unscrew the rails, slide them to the desired depth and restore the screws. The rails feature square mounting holes and are capable of supporting up to 3,500 pounds (1588 kilograms) of equipment with included installation hardware (2,250 pounds (1020.6 kilograms) rolling capacity).With a locking, reversible front door and locking, removable side panels, SR25UB provides safe, secure installation for all equipment. This prevents unauthorized access to installed equipment while making it easy for authorized personnel to perform inspections, maintenance and equipment replacement. The enclosure meets all requirements toward PCI DSS compliance.The top and bottom panels of the SR25UB are furnished with vents designed to help remove warm air from the enclosure and draw in cool air by convection. They also support installation of standard user-supplied case fans (SRFANROOF). The top and bottom panels are also provided with ports for cable routing.To simplify deployment, the SR25UB comes with casters that enable it to be maneuvered into to desired location, and then secured in place by adjusting the unit's levelers. Note: The casters are intended for minor position adjustments within the final installation area only and are not designed for moving the enclosure over long distances.

SmartRack® SRSHELF4PHD accommodates tower units, monitors and other equipment. The fixed heavy-duty shelf offers 25.5 inches of shelf depth and supports up to 250 pounds (113.4 kilograms). SRSHELF4PHD is designed for 4-post rack mounting. Required mounting hardware is included.

USB Hub Connects 4 USB Peripherals to Your Computer or LaptopThis USB-A hub allows you to connect up to four USB peripherals to your laptop, Ultrabook, Chromebook, PC, tablet or other USB device. You can expand the potential of your device by connecting USB peripherals that can help you do your job faster, easier and better, such as an external hard drive, keyboard/mouse, power meter and printer.Connects USB Peripherals and Transfers Data at Fast USB 3.2 Gen 1 SpeedsAll four USB ports transfer data at speeds up to 5 Gbps, which is 10 times faster than USB 2.0. The USB ports are backward compatible with previous USB generations, so you can continue using older peripherals while getting high-speed performance from new devices.Ready to Use Right Out of the PackageThe hub connects to your computer via its built-in USB cable, saving you the expense and effort of buying a cable. The four-port hub requires no software, drivers or external power. The slim aluminum case fits easily into a pocket, briefcase or laptop bag for connecting on the go. The hub is compatible with both Windows and Mac operating systems.

Round-the-Clock Access and Control of Cooling Units Prevents Costly On-Site VisitsThe SRCOOLNET2LX web interface module installs into select cooling units and lets you monitor temperatures, receive alerts and control settings from remote locations. Compatible with the SRCOOL2KWM, SRCOOL7KRM, SRCOOL18K, SRCOOL24K and SRCOOL33K air conditioning units, the SRCOOLNET2LX is easy to install, simple to operate, and ideal for back offices, computer rooms, small server rooms and wiring closets.The Perfect Solution for Off-Hour or Unattended Cooling ApplicationsThe Java-free HTML5-based SRCOOLNET2LX enables full remote access for status monitoring, event notifications, and device management via secure web browser, SNMP, SSH, Telnet or command line interfaces. The built-in LX Platform's PowerAlert® Device Manager (PADM) provides a single interface to cycle the connected air conditioner on and off, adjust its fan speed, change its target set point temperature, and switch to dehumidification mode, so excessive heat won't compromise the performance and reliability of your network equipment. The SRCOOLNET2LX combines with the air conditioner to deliver a reliable cooling solution that does not require on-site management.Includes the E2MT E2 Environmental Sensor ModuleThe SRCOOLNET2LX comes with an E2MT module, which can be placed directly inside your rack. You don't need to be on the premises to check the temperature near your rack equipment or make any necessary adjustments. The E2MT module allows you to measure and monitor ambient temperature in your data center environment or control the cooling operation by selecting a target temperature value to ensure that specific network equipment remains cool during operation. The E2MT connects to the SRCOOLNETLX using the included 12-ft. (3.7 m) USB cable.Easy to Set Up and ManageThe SRCOOLNET2LX inserts into the air conditioner unit's front SNMP accessory slot. A user-supplied Ethernet patch cable connects the SRCOOLNET2LX's RJ45 port to an Ethernet network. The LX Platform built-in PowerAlert Device manager interface provide a single display for managing both the cooling unit and the E2MT module. You can update the firmware straight from the web interface.TAA-Compliant for GSA Schedule PurchasesThe SRCOOLNET2LX is compliant with the Federal Trade Agreements Act (TAA), which makes it eligible for GSA (General Services Administration) Schedule and other federal procurement contracts.