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MA-42DC
WESTERMO TELEINDUSTRI AB
MA-42DC
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Card Type
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Modem (asynchronous)
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Chip Set
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Unidentified
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I/O Options
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DC power, RS-232 serial port, RS-422/485
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Maximum Modem Rate
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100Kbps
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Data Modulation Protocol
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CCITT V.24/V.28/V.10, V.11
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Error Correction/Compression
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Unidentified
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Data Bus
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External
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CONNECTIONS
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Function
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Label
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Function
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Label
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Power connector (terminal block)
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CN1
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RS-232-C port
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CN3
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Terminal block
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CN2
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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115V AC enabled
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S1
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On
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230V AC enabled
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S1
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Off
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20ms CTS delay
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S2/6
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On
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0ms CTS delay
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S2/6
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Off
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2 OR 4 WIRE COMMUNICATION SELECTION
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Setting
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S3/1
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S3/2
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4-wire
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On
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Off
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2-wire
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Off
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On
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TERMINATION WITH FAIL-SAFE SELECTION
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Setting
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S3/3
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S3/4
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S3/5
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S3/6
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Termination (4-wire)
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On
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On
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Off
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Off
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Termination (2-wire)
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Off
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Off
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On
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On
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No termination
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Off
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Off
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Off
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Off
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TRANSMITTER/CTS/DCD CONTROL SELECTION
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Setting
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S2/1
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S2/2
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S2/3
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S2/4
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S2/5
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Transmitter, CTS and DCD - RTS
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On
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Off
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Off
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On
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Off
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Transmitter and CTS - RTS, DCD - high
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On
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Off
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Off
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Off
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On
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Transmitter, CTS and DCD - DTR
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Off
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On
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Off
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On
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Off
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Transmitter and CTS - DTR, DCD - high
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Off
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On
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Off
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Off
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On
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Transmitter - active, CTS - high, DCD - low
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Off
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Off
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On
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On
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Off
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Transmitter - active, CTS and DCD - high
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Off
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Off
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On
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Off
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On
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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LED1
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Unidentified
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On
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Power is on
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LED1
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Unidentified
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Off
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Power is off
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LED2
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Unidentified
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On
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Data is being transmitted
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LED2
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Unidentified
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Off
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Data is not being transmitted
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LED3
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Unidentified
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On
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Data is being received
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LED3
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Unidentified
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Off
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Data is not being received
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LED4
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Unidentified
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On
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RTS signal is high
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LED4
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Unidentified
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Off
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RTS signal is low
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LED5
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Unidentified
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On
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CTS signal is high - device ready to send data
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LED5
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Unidentified
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Off
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CTS signal is low
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LED6
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Unidentified
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On
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Data carrier present
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LED6
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Unidentified
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Off
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Data carrier not present - connection not established
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