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ISI2834/4, ISI2834/8, ISI2834/EC
MULTI-TECH SYSTEMS, INC.
ISI2834/4, ISI2834/8, ISI2834/EC
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Card Type
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Modem (asynchronous)
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Processor Type
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80186
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Processor Speed
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16MHz
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Chip Set
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Unidentified
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Maximum Onboard Memory
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256KB RAM
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Maximum Data Rate
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28.8Kbps x 4 (8 with daughtercard)
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Maximum Fax Rate
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14.4Kbps x 4 (8 with daughtercard)
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Data Bus
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16-bit ISA
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Fax Class
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Class II
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Data Modulation Protocol
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Bell 103A/212A
ITU-T V.22, V.22bis, V.32, V.32bis, V.34
AT&T V.32terbo
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Fax Modulation Protocol
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ITU-T V.17, V.21CH2, V.27ter, V.29
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Error Correction/Compression
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MNP5, V.42, V.42bis
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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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Telephone line 1 out
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J1
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Telephone line 8 out
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J8
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Telephone line 2 out
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J2
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Header to daughterboard J9B
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J9A
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Telephone line 3 out
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J3
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Header to main board J9A
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J9B
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Telephone line 4 out
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J4
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Header to daughterboard J10B
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J10A
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Telephone line 5 out
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J5
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Header to main board J10A
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J10B
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Telephone line 6 out
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J6
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Header to daughterboard J11B
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J11A
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Telephone line 7 out
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J7
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Header to main board J11A
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J11B
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Note: J5 through J8 will not be active unless the daughtercard is installed.
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USER CONFIGURABLE SETTINGS
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Setting
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Label
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Position
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í Daughtercard is not installed
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JP1
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Pins 1 & 2 closed
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Daughtercard is installed
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JP1
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Pins 2 & 3 closed
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INTERRUPT SELECTION
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Setting
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JP2/A
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JP2/B
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JP2/C
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JP2/D
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JP2/E
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JP2/F
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JP2/G
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JP2/H
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JP2/I
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2
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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í 3
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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7
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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10
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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12
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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15
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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BASE I/O ADDRESS SELECTION
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Setting
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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SW1/5
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SW1/6
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SW1/7
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SW1/8
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000h
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On
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On
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On
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On
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On
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On
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On
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On
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008h
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Off
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On
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On
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On
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On
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On
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On
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On
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010h
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On
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Off
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On
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On
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On
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On
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On
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On
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018h
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Off
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Off
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On
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On
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On
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On
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On
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On
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020h
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On
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On
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Off
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On
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On
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On
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On
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On
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í 200h
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On
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On
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On
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On
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On
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On
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Off
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On
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7D8h
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Off
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Off
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On
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Off
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Off
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Off
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Off
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Off
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7E0h
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On
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On
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Off
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Off
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Off
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Off
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Off
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Off
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7E8h
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Off
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On
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Off
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Off
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Off
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Off
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Off
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Off
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7F0h
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On
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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7F8h
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Note: A total of 256 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=1024, SW1/7=512, SW1/6=256, SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)
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SUPPORTED STANDARD COMMANDS
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Basic AT Commands
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+++, ‘comma’, A/
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A, B, D, E, H, O, P, T, V, W, X, Y, Z
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&D, &F, &G, &P, &S, &T, &W
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S30
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Note: See MHI documentation for complete information.
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Proprietary AT Command Set
See MULTI-TECH SYSTEMS, INC. ISI3334/8 for a full command summary.
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