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  • Jotron RRC7700

    Product Code - CJGUZQ0PGN


    • Jotron RRC7700 Remote Radio Controller
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    Product Description

    Jotron RRC7700 Remote Radio Controller

    Download PDF:  Jotron RRC7700

    • User-friendly, VOIP based remote system - touchscreen operated.
    • Operates up to 8 transceivers from a single remote position.
    • Multiple operators may utilise same radios from different positions.
    • Uses IP technology to transfer both voice and control data.
    • Requires no voice switch - standalone system.
    • Cost-effective alternative to conventional voice switches for small/medium size installations.
    • Mature, proven technology - works over slow links with high latency.
    • Operates all types of radios in the Jotron TR7700 basestation family.

    Remote Operation of Radios

    The Jotron RRC7700 is a complete unit for remote operation of the components in the Jotron TR77xx family of basestations. RRC7700 is a standard WinXP application, and runs on a set of desktop computer with touchscreen. These computers are selected for the highest stability and operational lifetime possible.

    User-friendly operation

    RRC7700 makes no difference between using a single TX or a group transmission: select the channels you want to transmit on - press the PTT button and talk.  The message is streamed to the radios and transmitted on air. Instantaneous feedback of output power is given as the transmitters are activated.  Listening to an incoming message is equally simple - just select the transceivers you want to listen to, and the audio is sent to the loudspeakers when the receiver detects an incoming transmission.  The receiver also provides instantaneous feedback of the RSSI level.  The volume of each receiver may be adjusted independently; likewise the squelch of the individual receivers may be forced to open (e.g. when receiving a very weak signal or just for test purposes).

    Automatic Main / Standby Switchover

    RRC7700 supports dual radios for main/standby operation. Upon a failure of the main radio, the RRC7700 will automatically switch to the standby unit.  This happens transparently to the user, however a status indicator will tell that the main radio has failed and the standby radio has taken over.  The main system does not have to be co-located with the standby system.  Main/standby switching may be done automatically upon failures, or by manually switching from one radio set to the other one.

    No Voice Switch Required!

    RRC7700 users IP technology as the underlying infrastructure to transport both voice and control data to/from the radios.  A consequence of this is that the traditional voice switch is no longer needed as long as the infrastructure is solely based upon IP.  Voice is streamed using the newly developed ED137 standard for Ground-Ground communications.  Control and monitor data is transferred using a TCP/IP protocol interfacing the radios directly.  The bottom layer physical interface is IEEE 802.3 100Mbit/sec Ethernet for both the radios and RRC7700.  Compatibility towards network topologies outline in ED138 is assured.

    Provides M:N Redundancy

    RRC7700 provides a M:N redundancy of your installation.  That is - M users may utilise N radios at the same time.  This is ideal for mobile towers, virtual control towers or remote airports operated from one place during daytime and another place during nighttime etc.

    RF audio received by the radios is sent to every user by the streaming protocol of the radios.  Keying conflicts are solved by priority levels: if several users want to key a transmitter concurrently, the one with the highest keying priority (assigned by the system administrator) takes control of the transmitter.  As a result of this, mirrored installations or control centres are very easy set up using RRC7700.

    Provides real-time control and monitoring

    RRC7700 provides system status in real time.  Key variables like Output power, RSSI levels, Squelch state, PTT on/off are monitored in real time.  The frequency of the transceiver may be changed easily (provided the user has the correct access level).  A set of preset channels may be programmed for rapid change. Both the microphone input level and audio output level is adjustable, and levelboards indicate the actual radio level in real time.  System status is given on a status bar showing the overall system status, as well as a single status line for each transceiver.  RRC770 may be used in parallel with the RACSIII monitoring system manufactured by Jotron.

    May be combined with 4 Wire E&M

    RRC7700 may be combined with legacy interfaces like 4 wire E&M.  All enabled interfaces may use the radio concurrently.  This is ideal for backup systems or when keeping old infrastructure as a mirror in a transition phase.

    Works across routers and firewalls

    A RRC7700 installation will work across standard firewalls and routers.  It has also been tested intensively over the open internet using VPN (Virtual Private Network) clients for data encryption and to prevent data intrusion.  RRC7700 has been tested and works irrespectively of what the underlying transport is - reference-installations include a mix of slow satellite links, fibre optics and a standard LAN, with high latency and low bandwidth.

    Restrictions and security issues

    A single operator's position has access to a selected set of radio transceivers.  Each user must log into the terminal before operation may begin, and each user may have different access levels.  The basic access level only involves listening to a set of dedicated receivers.  The top access level includes priority keying of all selected transmitters and full access to system control (like frequency change, main/standby switchover etc).  The access levels for each user are set by the system administrator upon installation.  The collection of transceivers may be different for each user, and is set up by the system administrator.

    System setup wizard

    The RRC7700 is set up through a wizard accompanying the program.  Setup and installation is very easy and only requires the IP address of the radios to be controlled.  The rest of the properties are acquired by RRC7700 when connecting to the radios.  Users are defined in the wizard as well, with the desired access level for each user and which radios each user may operated.

    Mixed radio types

    Some installations need to control mixed radio types - for instance a mix of standard VHF (TR77xx) combined with coastal radios (TR77xxC) and/or UHF transceivers (TR77xxU).  The RRC7700 supports all types of radios in the TR77xx family of basestations, and an installation may mix any of these radios together for operation with RRC7700.

    Compatible with Imtradex products

    If external audio and/or PTT functionality is desired, RRC7700 has been designed for compatibility with the high quality products from Imtradex inc. hence, a broad set of microphones, loudspeakers, PTT buttons, footswitches, wireless headsets etc will work seamlessly with RRC7700 and may be purchased together with the IPRC installation.

     

     

     

     

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