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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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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, &P, &R, &S, &T, &V, &W, &Y, &Z
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Extended AT Commands
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\A, \B, \K, \N, \V
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%C, %E, %L, %Q
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Special AT Commands
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#CID, +MS
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25
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S26, S27, S28, S29, S30, S32, S33, S36, S38, S39, S40, S46, S48, S82, S86, S91, S92, S95
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UNIDENTIFIED COMMANDS
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Command
| Default
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+ES=nnn
| 3,0,2
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+ESA=nnnnnnnn
| 0,0,0,0,0,0,0,0
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+ITF=nn
| 255,64
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Proprietary AT Command Set
See MOTOROLA, INC. MODEMSURFR 56K (INTERNAL) for a full command summary.
MODEMSURFR 56K (INTERNAL)
Card Type
| Modem (asynchronous)
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Chip Set
| Rockwell
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Maximum Modem Rate
| 56Kbps
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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, K56+
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Fax Modulation Protocol
| 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
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Data Bus
| 16-bit ISA
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Card Size
| Three-quarter length, full-height
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CONNECTIONS
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Function
| Label
| Function
| Label
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Telephone line
| CN1
| Telephone line
| CN2
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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, &P, &R, &S, &T, &V, &W, &Y, &Z
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Extended AT Commands
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\A, \B, \K, \N, \V
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%C, %E, %L, %Q
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Special AT Commands
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#CID, +MS
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25
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S26, S27, S28, S29, S30, S32, S33, S36, S38, S39, S40, S46, S48, S82, S86, S91, S92, S95
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UNIDENTIFIED COMMANDS
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Command
| Default
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+ES=nnn
| 3,0,2
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+ESA=nnnnnnnn
| 0,0,0,0,0,0,0,0
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+ITF=nn
| 255,64
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Proprietary AT Command Set
BIT-MAPPED REGISTER S31
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Format:
| AT [cmds] S31=n [cmds]
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Default:
| 2
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Range:
| 0 43
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Description:
| Select automode, extended result code format, and caller ID format.
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Bit
| Value
| Function
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0
| 0 | Extended result codes controlled by S95.
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1
| Extended result codes set for single-line format.
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1
| 0
| Auto-mode detection disabled
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1 | In originate mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary.
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In answer mode, handshake attempted with the following protocols in order - V.FC, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103
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3, 2
| 00 | Enables CONNECT result codes to report DTE speed
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01
| Full reporting of CONNECT result codes
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10
| Enables CONNECT result codes to report DCE speed
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5, 4
| 00 | Caller ID disabled.
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01
| Caller ID displays formatted data.
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10
| Caller ID displays raw hexadecimal data.
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BIT-MAPPED REGISTER S41
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Format
| AT [cmds] S41=n [cmds]
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Default:
| 71
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Range:
| 0 - 71
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Description:
| Selects compression and auto-retrain.
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Bit
| Value
| Function
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1,0
| 00
| Data compression disabled.
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01
| MNP5 enabled.
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10
| V.42bis enabled.
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11 | MNP5 and V.42bis enabled.
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6,2
| 00
| Auto-retrain disabled.
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01
| Auto-retrain enabled.
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11 | Auto-fallback/fall-forward enabled.
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5-3
| 000
| Not used.
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