SW USB 系列

SW4 USB Plus

1. Provide a switcher that shall support one USB host and up to four USB peripheral devices
   1. Rack-mountable switcher for USB devices
      1. Device shall support USB 1.0, 1.1, or 2.0 standards
      2. Device shall support data transfer rates up to 480 mbps
      3. Device shall support one USB host
         1. Host port shall emulate the presence of a human interface device, such as a keyboard or mouse, without such a device being connected to a peripheral port
      4. Device shall support up to four USB peripheral devices
         1. Peripheral ports shall emulate the presence of a host device whenever the peripheral is not actively connected to the host
         2. Peripheral ports shall each provide +5 VDC, 500 mA power per USB 2.0 specification
      5. Front panel shall provide physical buttons for selection of input signals
      6. Provide one RS-232 serial control port
         1. Device shall support the pass-through of serial commands to another connected device
      7. Device shall be housed in a 1 RU, one-half EIA rack width metal enclosure
      8. Device shall be equipped with an external, universal AC power supply capable of supporting 100 - 240 VAC, 50/60 Hz power
   2. Approved device shall be the Extron SW4 USB Plus, part number 60-954-02; no alternates or equals