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Product Data Sheets (pdf)...Multi Configuration Shelf, 19"


  • Manual... 
  • EncrypTight%X99 Appliance Installation Guide
    Installation Guide for the ET0010A, ET0100A, ET1000A, and ET10000A (Version 3.3)
 
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  • RS-232 Surge Protector, DB15 Manual
    Manual for SP507A (Version 1)
 

Black Box Explains...UARTs at a glance.

Universal Asynchronous Receiver/Transmitters (UARTs) are integrated circuits that convert bytes from the computer bus into serial bits for transmission. By providing surplus memory in a buffer, UARTs help applications overcome... more/see it nowthe factors that can hinder system performance, providing maximum throughput to high-performance peripherals without slowing down CPUs.

Early UARTs such as 8250 and 16450 did not include buffering (RAM or memory). With the advent of higher-speed devices, the need for UARTs that could handle more data became critical. The first buffered UART was the 16550, which incorporates a 16-byte First In First Out (FIFO) buffer and provides greater throughput than its predecessors.

Manufacturers have been developing enhanced UARTs that continue to increase performance standards. These faster chips provide improvements such as larger buffers and increased speeds. Here are the rates of today’s common UARTs:

UART FIFO Buffer Rate Supported
16550 16-byte 115.2 kbps
16554 16-byte 115.2 kbps
16650 32-byte 460.8 kbps (burst rate)
16654 64-byte 460.8 kbps (burst rate)
16750 64-byte 460.8 kbps (burst rate)
16850 128-byte 460.8 kbps (sustained rate)
16854 128-byte 460.8 kbps (sustained rate) collapse



  • Pdf Drawing... 
  • Color-Coded Snagless Pre-Plug (Brown) PDF Drawing
    PDF Drawing for the FMT737
 

Product Data Sheets (pdf)...Media Conversion Center Modules

  • Manual... 
  • ServSwitch Fiber DVI + USB Extender EC User Manual
    User Manual for the ACX310F and ACX310FIA (Version 1)
 
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