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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x Pub Date: 06/17/98
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DIAGNOSTIC LED(S)
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LED
| Color
| Status
| Condition
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AA
| Unidentified
| On
| Auto-answer enabled
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AA
| Unidentified
| Off
| Auto-answer disabled
|
AA
| Unidentified
| Blinking
| Phone is ringing
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CD
| Unidentified
| On
| Carrier signal detected
|
CD
| Unidentified
| Off
| Carrier signal not detected
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CD
| Unidentified
| Blinking
| Modem is retraining
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SD
| Unidentified
| On
| Modem is transmitting data
|
SD
| Unidentified
| Off
| Modem is not transmitting data
|
RD
| Unidentified
| On
| Modem is receiving data
|
RD
| Unidentified
| Off
| Modem is not receiving data
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TR
| Unidentified
| On
| DTR signal is high
|
TR
| Unidentified
| Off
| DTR signal is low
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CS
| Unidentified
| On
| CTS signal is high
|
CS
| Unidentified
| Off
| CTS signal is low
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ARQ/FAX
| Unidentified
| On
| Modem is connected in error correction mode
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ARQ/FAX
| Unidentified
| Off
| Modem is not connected in error correction mode
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ARQ/FAX
| Unidentified
| Blinking
| Modem is connected in FAX mode or modem is retransmitting data due to errors
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Note: The locations of the LEDs are unidentified.
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MISCELLANEOUS TECHNICAL NOTES
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A front panel diagram is not available.
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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, F, H, L, M, O, P, T, V, X, Z
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&C, &D, &F, &G, &P, &R, &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, S12, S18, S25, S38
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Proprietary AT Command Set
See 3COM SPORTSTER 56K FAXMODEM (INTERNAL) for a full command summary.
SPORTSTER 56K VOICE FAXMODEM (INTERNAL)
Card Type
| Modem (asynchronous)
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Chipset
| U.S. Robotics
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I/O Options
| Voice, speakerphone, microphone in, speaker out
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Maximum Data Rate
| 56Kbps
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Maximum Fax Rate
| 14.4Kbps
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Data Modulation
| Bell 103A/212A
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| ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
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| U.S. Robotics x2
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Fax Modulation
| ITU-T V.17, V.21CH2, V.27ter, V.29
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Error Correction/Compression
| MNP5, V.42, V.42bis
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Fax Class
| Class I & II
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Data Bus
| 8-bit ISA
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Card Size
| Full height, one-third length
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CONNECTIONS
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Function
| Label
| Function
| Label
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Telephone line out
| CN1
| Microphone in
| CN3
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Telephone line in
| CN2
| Speaker out
| CN4
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USER CONFIGURABLE SETTINGS
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Setting
| Label
| Position
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Plug-N-Play disabled | JP1/C
| Closed
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Plug-N-Play enabled
| JP1/C
| Open
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Note: For Plug-N-Play to be enabled, JP1/A-B and JP2/A-E must be set to open.
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SERIAL PORT ADDRESS SELECTION
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Setting
| JP1/A
| JP1/B
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3F8h (COM1:)
| Closed
| Closed
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2E8h (COM2:) | Open
| Closed
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3F8h (COM3:)
| Closed
| Open
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2E8h (COM4:)
| Open
| Open
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Plug-N-Play
| Open
| Open
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INTERRUPT SELECTION
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Setting
| JP2/A
| JP2/B
| JP2/C
| JP2/D
| JP2/E
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2
| Closed
| Open
| Open
| Open
| Open
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3 | Open
| Closed
| Open
| Open
| Open
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4
| Open
| Open
| Closed
| Open
| Open
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5
| Open
| Open
| Open
| Closed
| Open
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7
| Open
| Open
| Open
| Open
| Closed
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Plug-N-Play
| Open
| Open
| Open
| Open
| Open
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