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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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PC336RVP

Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Voice, speakerphone, DVSD, speaker out, microphone in
Maximum Data Rate 33.6Kbps
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
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class Class I
Data Bus 16-bit ISA
Card Size Full height, half length

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

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

INTERRUPT SELECTION
Setting JP1/C JP1/D JP1/E JP1/F
3 Closed Open Open Open
4 Open Closed Open Open
5 Open Open Closed Open
7 Open Open Open Closed

SUPPORTED STANDARD COMMANDS
Basic AT Commands
+++, ‘comma’, A/
A, B, D, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z
&C, &D, &F, &G, &K, &P, &R, &S, &T, &V, &W, &Y, &Z
Extended AT Commands
\A, \N
%C, %E, %L, %Q
Special AT Commands
:E, +MS
S-Registers
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25, S26, S29, S30, S32, S33, S36, S38, S46, S48, S86, S91, S92, S95

UNIDENTIFIED COMMANDS
Command Default
S28 Unidentified
S37 Unidentified
S41 Unidentified

Proprietary AT Command Set

DISPLAY CHIPSET MANUFACTURER
Type: Immediate
Format: AT [cmds] #MFR? [cmds]
Description: Displays the voice chipset manufacturer’s name.

DISPLAY CHIPSET MODEL NAME
Type: Immediate
Format: AT [cmds] #MDL? [cmds]
Description: Displays the model name of the modem’s voice chipset.

DISPLAY CHIPSET REVISION
Type: Immediate
Format: AT [cmds] #REV? [cmds]
Description: Displays the revision level of the modem’s voice chipset.

DISPLAY PRODUCT INFORMATION
Type: Immediate
Format: AT [cmds] J [cmds]
Description: Displays information about the modem.

MODE SELECTION
Type: Immediate
Format: AT [cmds] #CLS=n [cmds]
Description: Selects which mode the modem will operate in.
Command Function
#CLS=0 Modem will operate in data mode.
#CLS=1 Modem will operate in fax class 1 mode.
#CLS=8 Modem will operate in voice mode.

TONE DETECTION
Format: AT [cmds] #VTD=x,y,z [cmds]
Default: x,y,z 63
Range: 0 - 63
Description: Sets which tones the tone detection will report.
Note: The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode.
Bit Value Function
0 0 DTMF tones are not detected.
  1DTMF tones are detected.
1 0 V.25 1300Hz calling tone is not detected.
  1V.25 1300Hz calling tone is detected.
2 0 T.30 1100Hz fax tone is not detected.
  1T.30 1100Hz fax tone is detected.
3 0 V.25/T.30 2100Hz answer tone is not detected.
  1V.25/T.30 2100Hz answer tone is detected.
4 0 Bell 2225Hz answer tone is not detected.
  1Bell 2225Hz answer tone is detected.
5 0 Call progress tones are not detected.
  1Call progress tones are detected.


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