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MA-44 DC
WESTERMO TELEINDUSTRI AB
MA-44 DC
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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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38.4Kbps
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Data Modulation Protocol
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C/CCITT V.24/V.28, 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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2-wire transmission
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S2/6
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On
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4-wire transmission
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S2/6
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Off
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Factory configured - do not alter
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S2/7
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Off
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Factory configured - do not alter
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S2/8
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Off
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Factory configured - do not alter
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S2/9
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Off
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DATA BIT SELECTION
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Setting
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S2/4
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S2/5
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9
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On
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On
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10
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On
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Off
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11
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Off
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On
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12
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Off
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Off
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TERMINATION WITH FAIL-SAFE SELECTION
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Setting
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S3/1
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S3/2
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S3/3
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S3/4
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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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DATA RATE 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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300bps
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Off
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Off
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Off
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600bps
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On
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Off
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Off
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1200bps
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Off
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On
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Off
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2400bps
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On
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On
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Off
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4800bps
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Off
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Off
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On
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| »
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9600bps
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On
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Off
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On
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19200bps
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Off
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On
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On
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38400bps
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On
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On
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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 received
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LED2
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Unidentified
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Off
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Data is not being received
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LED3
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Unidentified
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On
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Data carrier present
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LED3
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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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LED4
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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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LED4
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Unidentified
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Off
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CTS signal is low
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LED5
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Unidentified
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On
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RTS signal is high
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LED5
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Unidentified
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Off
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RTS signal is low
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LED6
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Unidentified
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On
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Data is being transmitted
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LED6
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Unidentified
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Off
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Data is not being transmitted
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