JLCooper eBOX Quad Serial to Ethernet Interface


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    EBOX - Overview

    JLCooper eBOX is a 10/100BASE-T (Ethernet) to Quad RS-232/422 (9-Pin) and GPI hard- ware interface. It acts as a portal for controlling devices across your facility or across the world. It eliminates information bottlenecks and overcomes distance limitations typically inherent to serial communication. It simplifies long distance cabling by using IP addressable, point-to-point architecture to send control messages over existing 10/100 BASE-T wiring.

    eBOX features four serial connectors, activity LED's, 24 GPI Inputs and 24 GPI Outputs as a standard feature (General Purpose Interface - facilitates switch closure control). It's ideal for LAN, WAN and Internet con- trol of VTRs, DDRs, switchers, computer based editing systems, cameras, projectors and other devices that use RS-232/422 (9- Pin) and GPI. Commands from a host NLE, Browser or RS-422 switcher/controller are directed to individual devices on the network. This allows broadcast or networked facili ties to control distanced machine rooms from a facility's central server.

    eBOX is ideal for broadcast television, streaming media networks, multi-room editing facilities, news production or in any audio/video/multimedia studio where remote hosts need to control devices over long distances or via the Web. Host to eBOX, eBOX to host and eBOX to eBOX communication is pos- sible. An unlimited number of units can be addressed.

    JLCooper's SDK provides comprehensive tools for software developers to link Visual Basic, C++, HTML or embedded devices for direct control of any device connected to any eBOX. eBox converts 4 serial ports and 24 GPI (General Purpose Interface) inputs and 24 GPI outputs to 100/10baseT Ethernet. The serial ports can be configured in the field to appear as EIA/TIA RS- 232E and CCITT V.28 or as EIA/TIA RS-422A, RS-423 and Federal Stan- dards 1020 & 1030 ports. Addition- ally, the port direction can indepen- dantly be configured as DTE or DCE.

    eBox communicates over standard TCP/IP which allows it to be used with any host com- puter. With TCP/IP, traffic can be routed over internal LANs, wireless LANs, MANs, WANs and even over the Internet. Configurataion is accomplished through a web page server built into the eBox. Items such as port speed, parity, IP address, remote IP address and TCP port are set using a standard web browser. Settings are stored in nonvolatile memory.

    Typically, the eBox functions as a server, pas- sively waiting for client devices to connect to it. The device can be a computer or another eBox configured as a client. When the eBox is configured as a client, it will actively attempt to connect to the server eBox. Once accomplished, eBox will then pass data received in the serial or GPI ports to the remote eBox. If there is no data received, eBox will not send any TCP packets.

    This eBox port is just like an Ethernet port on a computer, and can be connected to a hub, switch or router. eBox supports IEEE 802.3u clause 28 Auto- Negotiation which automatically senses the Ethernet port speed & duplex operation and chooses the highest performance settings. Front panel LEDs indicate various operating conditions of the Ethernet connection.

    The four serial ports along the top of the rear panel are 9 pin D-Sub connectors which can be configured for RS-232C or RS-422A operation. In RS-422 mode, eBox direction can be config- ured to appear as a Controller or a Device. In RS-232 mode, the eBox appears as a DCE or DTE.

    The GPI ports on the rear of the eBox are 25 pin D-sub connectors. The GPI In connector has 24 TTL/CMOS compatible inputs with internal pull-ups to +5 volts. The GPI Out connector has 24 TTL/CMOS compatible outputs. On both connectors, pin 1 is the ground reference and pins 2-25 are the GPI signals.
    When eBoxes connected together in a client/server manner establish a connection, both client and server will send the state of its GPI In ports to each other so it can be shown on the GPI Output port on the remote eBox. After that, only changes to a GPI In port will cause an eBox to send a GPI message to the remote eBox. A packet is sent whenever a change to the GPI Input is sensed.

    GPI to Serial Converter
    eBOX can act as a GPI to Serial converter. Each of the 24 GPI Inputs can be assigned to send P2 or Odetics Commands. Assignments are re- tained in non-volitale memory. Basic tally back information is provided via GPI outputs.

    GPI /Serial to Ethernet Converter
    eBox can also work as an interface for GPI or serial to Doremi Labs V1 or MCS (2R2P) Servers. eBox supports older P2 controllers via LAN, WAN and Internet.

    EBox contains a basic security mechanism that prevents unintended hosts from passing data through a secured eBox. A password is set on the configuration page and stored in nonvolatile memory. When password protection is enabled, eBox embeds the password in the transmitted IP packet. At the remote end, the receiving eBox must have password protection enabled and be programmed with a matching password.

    • Features:

      • Four 9-Pin D Sub Serial Connectors
      • Two 24Pin D Sub GPI Connectors
      • RJ-45 Ethernet Connector
      • LAN, WAN or Internet Control
      • Ultra Low Latency < 20 ms
      • 1/2 of a single 19" Rack Space
      • Use with eBOX io and sBOX
    • Specifications:

      • Size: 8.5 in x 4.7 in x 1.75 in
      • Weight: 3 lb

    EBOX - Required Accessories

      California Residents:
      Cancer and Reproductive Harm -