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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems 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)
LED Color Status Condition
AA Unidentified On Auto-answer enabled
AA Unidentified Off Auto-answer disabled
AA Unidentified Blinking Phone is ringing
CD Unidentified On Carrier signal detected
CD Unidentified Off Carrier signal not detected
CD Unidentified Blinking Modem is retraining
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
TR Unidentified On DTR signal is high
TR Unidentified Off DTR signal is low
CS Unidentified On CTS signal is high
CS Unidentified Off CTS signal is low
ARQ/FAX Unidentified On Modem is connected in error correction mode
ARQ/FAX Unidentified Off Modem is not connected in error correction mode
ARQ/FAX Unidentified Blinking Modem is connected in FAX mode or modem is retransmitting data due to errors
Note: The locations of the LEDs are unidentified.

MISCELLANEOUS TECHNICAL NOTES
A front panel diagram is not available.

SUPPORTED STANDARD COMMANDS
Basic AT Commands
+++, ‘comma’, A/
A, B, D, E, F, H, L, M, O, P, T, V, X, Z
&C, &D, &F, &G, &P, &R, &S, &T, &W
S-Registers
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38

Proprietary AT Command Set


See 3COM SPORTSTER 56K FAXMODEM (INTERNAL) for a full command summary.

SPORTSTER 56K VOICE FAXMODEM (INTERNAL)

Card Type Modem (asynchronous)
Chipset U.S. Robotics
I/O Options Voice, speakerphone, microphone in, speaker out
Maximum Data Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
U.S. Robotics x2
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class Class I & II
Data Bus 8-bit ISA
Card Size Full height, one-third length

CONNECTIONS
Function Label Function Label
Telephone line out CN1 Microphone in CN3
Telephone line in CN2 Speaker out CN4

USER CONFIGURABLE SETTINGS
Setting Label Position
Plug-N-Play disabledJP1/C Closed
     Plug-N-Play enabled JP1/C Open
Note: For Plug-N-Play to be enabled, JP1/A-B and JP2/A-E must be set to open.

SERIAL PORT ADDRESS SELECTION
Setting JP1/A JP1/B
     3F8h (COM1:) Closed Closed
2E8h (COM2:)Open Closed
     3F8h (COM3:) Closed Open
     2E8h (COM4:) Open Open
     Plug-N-Play Open Open

INTERRUPT SELECTION
Setting JP2/A JP2/B JP2/C JP2/D JP2/E
     2 Closed Open Open Open Open
3Open Closed Open Open Open
     4 Open Open Closed Open Open
     5 Open Open Open Closed Open
     7 Open Open Open Open Closed
Plug-N-Play Open Open Open Open Open


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