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Option L - Line and Radio FSK

Features:

The line option board provides a Private Line or Radio interface and is software configurable for either of these modes. There are two revisions of the line option board.

The original revision 'LINE-L' had a configurable output level (using Toolbox software). The newer revision 'LINE-2' has a fixed output level. Both have the same specifications.

  • Private/Line radio interface board
  • Fits CP-10, CP-11, CP-21, CP-30,?MC-10, MC-11, LP-1
  • COMMS-OPTION-L (2/4 Wire Line for CP-11/CP-21/MC-11, option port 2/3)

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    Product specifications:

    General
     
    Baudrate 1200 Baud
    Modulation FSK, CCITT V.23
    Carrier detect input Optical isolation
    Active low or high
    Min. input 2mA (70VDC max.)
    RTS/PTT output

    Microwave networks typically use a negative supply rail for the carrier detect circuit. The more positive rail should be connected to pin #6 (RTS/PTT) and the difference between the rails must not exceed 30VDC.    		 Optical isolation
    Open collector output
    Active low
    30VDC max. at 20mA max.
    Output impedance 30 K ohm
    Input impedance 30 K ohm
    Line termination 600 ohm
    Line configuration 2 or 4 wire

    The port is not full duplex and cannot use the full duplex functionality of a 4-wire configuration. 4-wire configurations eliminate the ability to communicate peer to peer but allow an increased number of drops on one link.
    Line drive in multidrop configuration 10 drops for 2 wire
    20 drops for 4 wire
    Transmit output level -6 dBm (LINE-2)
    -6 to -21 dBm software configurable (LINE-L)

    Receive level     		-43dBm to -9dBm

    Transmission Distance     		Allowing 3dB for background noise and a 10dB fade margin, up to 24dB of cable loss can be tolerated. Therefore, transmission distance = 24 / cable loss per Km (dB).

    Note: if there are more than 2 RTUs (or other devices) on the line, reduce the allowable cable loss (24) by 1dB per additional RTU or device.
    Configuration Software Toolbox
    Internal Power Consumption 85 mA from +5VDC Bus on backplane
    Isolation 3.88 kV
       
    Environmental
       
    Operating Temperature -20C to 70C / -4F to 158F
    Storage Temperature -40C to 85C / -40F to 185F
    Operating Humidity 5 to 98% RH non-condensing

    Recommend Print Datasheet


    Last updated: 2007-05-07 23:05:45