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  • Manual... 
  • Gigabit PoE Repeater Usr Manual
    User Manual for the LPR1101 & LPR1131 (Version 1)
 
  • Firmware... 
  • 48-Port PoE+ Gigabit Managed Switch Eco
    Firmware for the LPB2848A (Version v1.58)
 
  • Manual... 
  • Unmanaged 802.3af PoE Gigabit Ethernet Switch, 5-Port User Manual
    User Manual for Unmanaged 802.3af PoE Gigabit Ethernet Switch, 5-Port (1)
 

Black Box Explains…A terminal server by any other name.

A terminal server (sometimes called a serial server or a console server or a device server) is a hardware device that enables you to connect serial devices across a network.

Terminal... more/see it nowservers acquired their name because they were originally used for long-distance connection of dumb terminals to large mainframe systems such as VAX™. Today, the name terminal server refers to a device that connects any serial device to a network, usually Ethernet. In this day of network-ready devices, terminal servers are not as common as they used to be, but they’re still frequently used for applications such as remote connection of PLCs, sensors, or automatic teller machines.

The primary advantage of terminal servers is that they save you the cost of running separate RS-232 devices. By using a network, you can connect serial devices even over very long distances—as far as your network stretches. It’s even possible to connect serial devices across the Internet. A terminal server connects the remote serial device to the network, and then another terminal server somewhere else on the network connects to the other serial device.

Terminal servers act as virtual serial ports by providing the appropriate connectors for serial data and also by grouping serial data in both directions into Ethernet TCP/IP packets. This conversion enables you to connect serial devices across Ethernet without the need for software changes.

Because terminal servers send data across a network, security is a consideration. If your network is isolated, you can get by with an inexpensive terminal server that has few or no security functions. But if you’re using a terminal server to make network connections across a network that’s also an Internet subnet, you should look for a terminal server that offers extensive security features. collapse

  • Manual... 
  • LPB5000 Series Gigabit PoE+ Ethernet Managed Switch Eco User Manual
    User Manual for the LPB5028A and LPB5052A. (Version 1)
 
  • Quick Start Guide... 
  • ServSwitch%X99 Wizard QSG
    Quick Start Guide for the LPB2810A, LPB2826A, and LPB2848A (Version 2)
 
  • Manual... 
  • Hardened PoL PoE Ethernet Extender User Manual
    User Manual for the LBPS310A-KIT, LBPS311A, & LBPS312A (Version 1)
 

Product Data Sheets (pdf)...10/100 Secure Device Servers, RS-232/422/485 and 10/100/1000 Secure Device Servers, RS-232/422/485

  • Manual... 
  • 10BASE-T/100BASE-TX Hardened Ethernet Extender over vDSL
    (Revision)
 
  • Manual... 
  • LGC5300 Series Industrial Gigabit Ethernet Media Converters, with PoE+, User Manual
    User Manual for the LGC5310A, LGC5311A, and LGC5312A (Version 1)
 
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