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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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ZOOM TELEPHONICS, INC.
COMSTAR 33600 SVD
Card Type
| Modem (asynchronous)
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Chip Set
| Rockwell
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I/O Options
| Voice, speakerphone, SVD, speaker out, microphone in
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Maximum Data Rate
| 33.6Kbps
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Maximum Fax Rate
| 14.4Kbps
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Data Modulation Protocol
| 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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| Rockwell V.FC
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Fax Modulation Protocol
| ITU-T V.17, V.21CH2, V.27ter, V.29, V.33
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Fax Class
| Class I
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Error Correction/Compression
| MNP5, MNP10EC, V.42, V.42bis
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Data Bus
| 16-bit ISA
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CONNECTIONS
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Function
| Label
| Function
| Label
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Telephone line out
| CN1
| Speakout
| CN3
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Telephone line in
| CN2
| Microphone in
| CN4
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USER CONFIGURABLE SETTINGS
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Setting
| Label
| Position
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Speaker jack is monaural | J16
| Open
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Speaker jack is stereo
| J16
| Closed
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Microphone is electret | J25
| Closed
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Microphone is dynamic
| J25
| Open
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AUDIO OUTPUT LEVEL CONFIGURATION
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Setting
| J6
| J10
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Lowest
| Open
| Closed
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Low
| Open
| Open
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Medium
| Closed
| Closed
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High
| Closed
| Open
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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, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z
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&C, &D, &F, &G, &K, &Q, &S, &T, &V, &W, &Y, &Z
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Extended AT Commands
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\A, \B, \G, \N, \V
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%C, %E, %L, %Q
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Special AT Commands
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#CID, :E, -K, +MS, -Q
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S18, S24, S25, S26, S29, S30, S32, S33, S36
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S38, S39, S46, S48, S82, S86, S95
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UNIDENTIFIED COMMANDS
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Command
| Default
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\K
| Unidentified
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S14
| Unidentified
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S16
| Unidentified
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S21
| Unidentified
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S22
| Unidentified
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S23
| Unidentified
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S27
| Unidentified
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S28
| Unidentified
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S31
| Unidentified
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S40
| Unidentified
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S41
| Unidentified
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Proprietary AT Command Set
DIAL
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Type:
| Immediate
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Format:
| AT [cmds] D<#>;[cmds]
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Description:
| Dials the telephone number indicated according to any modifiers included in the string.
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Command
| Function
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DL
| Re-dial last number.
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DP
| Pulse dialing enabled.
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DS=n
| Dial stored telephone number n.
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DT
| Tone dialing enabled.
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DW
| Dialing resumed following dial tone detection.
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D,
| Dialing paused for amount of time specified in S8 register.
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D!
| Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
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D@
| Wait for Quiet Answer function enabled. Modem waits until a quiet answer, a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.
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D^
| Calling tone enabled for this call.
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D&
| Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.
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D;
| Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.
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DISPLAY CHIPSET MANUFACTURER
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Type:
| Immediate
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Format:
| AT [cmds] #MFR? [cmds]
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Description:
| Displays the voice chipset manufacturers name.
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DISPLAY CHIPSET MODEL NAME
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Type:
| Immediate
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Format:
| AT [cmds] #MDL? [cmds]
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Description:
| Displays the model name of the modems voice chipset.
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DISPLAY CHIPSET REVISION
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Type:
| Immediate
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Format:
| AT [cmds] #REV? [cmds]
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Description:
| Displays the revision level of the modems voice chipset.
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DISPLAY INFORMATION
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Type:
| Immediate
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Format:
| AT [cmds] In [cmds]
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Description:
| Displays information requested about the modem.
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Command
| Function
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I0
| Displays product identification code.
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I1
| Displays ROM checksum.
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I2
| Tests and displays ROM checksum result.
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I3
| Displays firmware revision.
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I4
| Displays modem identifier.
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I5
| Displays country code.
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I6
| Displays data pump modem and revision.
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