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V.34S
SIMA TECHNOLOGY CO., LTD.
V.34S
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Card Type
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Modem (synchronous/asynchronous)
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Chip Set
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Unidentified
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I/O Options
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None
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Maximum Data Rate
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33.6Kbps
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Maximum Fax Rate
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14.4Kbps
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Data Bus
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Serial
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Fax Class
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Class I & II
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Data Modulation Protocol
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Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
Rockwell V.FC
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Fax Modulation Protocol
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ITU-T V.17, V.21CH2, V.27ter, V.29
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Error Correction/Compression
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MNP5, V.42, V.42bis
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CONNECTIONS
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Function
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Label
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Function
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Label
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Line out
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CN1
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DC power
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CN4
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Line in
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CN2
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Power switch
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SW1
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RS-232/422
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CN3
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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MR
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Red
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On
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Power is on
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MR
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Red
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Blinking
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Modem is in test mode
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MR
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Red
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Off
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Power is off
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HS
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Red
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On
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Modem is operating at 4800bps or faster
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HS
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Red
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Off
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Modem is operating at slower than 4800bps
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AA
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Red
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On
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Auto-answer enabled
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AA
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Red
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Off
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Auto-answer disabled
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AA
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Red
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Blinking
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Phone is ringing
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CD
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Red
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On
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Carrier signal detected
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CD
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Red
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Off
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Carrier signal not detected
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OH
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Red
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On
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Modem is off-hook
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OH
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Red
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Off
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Modem is on-hook
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SD
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Red
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On
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Modem is transmitting data
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SD
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Red
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Off
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Modem is not transmitting data
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RD
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Red
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On
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Modem is receiving data
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RD
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Red
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Off
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Modem is not receiving data
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TR
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Red
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On
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DTR signal is high
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TR
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Red
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Off
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DTR signal is low
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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, H, L, M, N, O, P, Q, T, V, W, X, Y, Z
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&C, &D, &F, &G, &K, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z
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Extended AT Commands
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\A, \B, \G, \K, \L, \N, \W
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%C, %F, %L, %Q, %T
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Special AT Commands
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#CID, :E, *H, -K, )M, @M, -Q
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27
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S29, S30, S31, S32, S33, S36, S38, S39, S40, S46, S48, S86, S91, S92, S95, S201
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Note: See MHI documentation for complete information.
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Proprietary AT Command Set
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AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD
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Type:
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Configuration
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Format:
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AT [cmds] %En [cmds]
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Description:
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Controls auto-retrain, auto-fall-back/fall-forward, and the line quality monitor.
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Command
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Function
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í %E0
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Line quality monitor and auto-retrain disabled.
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%E1
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Line quality monitor and auto-retrain enabled.
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%E2
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Line quality monitor and auto-fallback/fall-forward enabled.
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%E3
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Line quality monitor, auto-retrain, and fast hangup enabled.
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AUTOSYNC
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Format
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AT [cmds] S19=n [cmds]
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Default:
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0
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Range:
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0 - 31
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Unit:
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Bit-mapped
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Description:
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Sets options for Hayes AutoSync functions.
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Bit
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Value
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Function
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0
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0
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Not used.
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1
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í 0
1
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BSC enabled.
HDLC enabled.
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2
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í 0
1
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HDLC address detection disabled.
HDLC address detection enabled.
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3
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í 0
1
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NRZI bit encoding enabled.
NRZ bit encoding enabled.
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4
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í 0
1
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Mark idle enabled.
Flag or sync idle enabled.
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BIT-MAPPED REGISTER S28
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Format
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AT [cmds] S28=n [cmds]
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Default:
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0
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Range:
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0 - 154
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Description:
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Controls V.23 split speed mode, pulse dialing ratio, and MNP10 cellular link negotiation speed.
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Bit
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Value
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Function
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0
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0
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Not used
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1
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í 0
1
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75bps transmit, 1200bps receive enabled
1200bps transmit, 75bps receive enabled
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2
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0
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Not used
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4, 3
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í 00
01
10
11
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39ms make/61ms break at 10pps
33ms make/67ms break at 10pps
39ms make/61ms break at 20pps
33ms make/67ms break at 20pps
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5
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0
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Not used
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7, 6
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í 00
01
10
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MNP10 link will be negotiated at highest possible speed.
MNP10 link will be negotiated at 1200bps.
MNP10 link will be negotiated at 4800bps.
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BIT-MAPPED REGISTER S41
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Format
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AT [cmds] S41=n [cmds]
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Default:
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131
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Range:
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0 - 219
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Description:
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Controls compression type, auto-retrain and fall-back/fall-forward, flow control, and MNP mode.
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Note:
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Be aware that bit 6 is out of order.
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Bit
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Value
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Function
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1, 0
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00
01
10
í 11
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Data compression disabled.
MNP5 enabled.
V.42bis enabled.
MNP5 and V.42bis enabled.
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6, 2
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í 00
01
10
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Auto-retrain disabled.
Auto-retrain enabled.
Fall-back/fall-forward enabled.
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3
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í 0
1
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Flow control disabled.
Flow control enabled.
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4
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í 0
1
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Stream mode for MNP.
Block mode for MNP.
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5
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0
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Not used.
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7
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0
í 1
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Fall-back to V.22bis and V.22 disabled.
Fall-back to V.22bis and V.22 enabled.
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COUNTRY CODE
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Type:
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Configuration
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Format:
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AT [cmds] *NCnn [cmds]
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Description:
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Sets the country code for the modem.
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DISPLAY CONFIGURATION AND STATISTICS
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Type:
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Immediate
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Format:
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AT [cmds] \S [cmds]
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Description:
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Displays the settings of all commands and statistics about the current connection.
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DISPLAY DELAYED NUMBERS
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Type:
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Immediate
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Format:
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AT [cmds] *Dn [cmds]
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Description:
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Displays all numbers on the delayed list.
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DISPLAY FORBIDDEN NUMBERS
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Type:
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Immediate
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Format:
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AT [cmds] *Bn [cmds]
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Description:
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Displays all numbers on the forbidden list.
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HDLC ADDRESS
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Type:
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Register
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Format:
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AT [cmds] S20=n [cmds]
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Default:
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0
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Range:
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0-255
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Unit:
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1 ASCII character
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Description:
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Sets the HDLC address and BSC character.
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LINE SPEED
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Type:
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Configuration
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Format
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AT [cmds] Fn [cmds]
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Description:
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Sets the desired line connection speed.
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Command
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Function
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í F0
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Auto-detect connect speed.
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F1
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Connect at 300bps with V.21 or Bell 103.
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F3
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Connect at 1200/75bps with V.23.
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F4
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Connect at 1200bps with V.22 or Bell 212A.
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F5
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Connect at 2400bps with V.22bis.
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F6
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Connect at 4800bps with V.32 or V.32bis.
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F7
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Connect at 7200bps with V.32.
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F8
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Connect at 9600bps with V.32 or V.32bis.
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F9
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Connect at 12Kbps with V.32bis.
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F10
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Connect at 14.4Kbps with V.32bis.
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F13
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Connect at 14.4Kbps with V.FC.
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F14
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Connect at 16.8Kbps with V.FC.
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F15
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Connect at 19.2Kbps with V.FC.
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F16
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Connect at 21.6Kbps with V.FC.
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F17
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Connect at 24.4Kbps with V.FC.
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F18
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Connect at 26.4Kbps with V.FC.
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F19
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Connect at 28.8Kbps with V.FC.
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LINE SPEED
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Type:
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Register
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Format
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AT [cmds] S37=n [cmds]
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Description:
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Sets the desired line connection speed.
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Command
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Function
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í S37=0
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Auto-detect connect speed.
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S37=1
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Connect at 75bps.
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S37=2
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Connect at 110bps.
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S37=3
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Connect at 300bps.
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S37=4
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Connect at 600bps.
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S37=5
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Connect at 1200bps with V.22.
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S37=6
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Connect at 2400bps with V.22bis.
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S37=7
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Connect at 1200/75bps with V.23.
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S37=8
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Connect at 4800bps with V.32 or V.32bis.
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S37=9
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Connect at 9600bps with V.32 or V.32bis.
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S37=10
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Connect at 12Kbps with V.32bis.
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S37=11
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Connect at 14.4Kbps with V.32bis.
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S37=12
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Connect at 7200bps with V.32bis.
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S37=15
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Connect at 14.4Kbps with V.FC.
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S37=16
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Connect at 16.8Kbps with V.FC.
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S37=17
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Connect at 19.2Kbps with V.FC.
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S37=18
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Connect at 21.6Kbps with V.FC.
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S37=19
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Connect at 24.4Kbps with V.FC.
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S37=20
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Connect at 26.4Kbps with V.FC.
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S37=21
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Connect at 28.8Kbps with V.FC.
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MODULATION SELECTION
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Type:
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Configuration
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Format:
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AT [cmds] +MS=x,y,z,a,b,c [cmds]
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Description:
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Sets options for active protocol; the transfer rates specified by z, a, b, and c must be valid for the protocol selected.
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Note:
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The z and a parameters specify the minimum and maximum originate mode connect speeds, respectively; the b and c parameters specify the minimum and maximum answer mode connect speeds, respectively.
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Command
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Function
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x=0
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Use V.21 modulation.
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x=1
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Use V.22 modulation.
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x=2
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Use V.22bis modulation.
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x=3
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Use V.23 modulation.
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x=9
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Use V.32 modulation.
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x =10
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Use V.32bis modulation.
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í x=11
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Use V.34 modulation.
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x =64
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Use Bell 103 modulation.
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x =69
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Use Bell 212A modulation.
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x =74
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Use V.FC modulation.
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MODULATION SELECTION (CON’T)
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Command
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Function
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y=0
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Automode disabled.
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í y=1
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Auto-detect highest speed enabled without V.8 (except V.34 which always uses V.8).
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y=2
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Auto-detect highest speed enabled with V.8.
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z , a, b, c=300
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Set minimum or maximum connection speed at 300bps.
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z , a, b, c=1200
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Set minimum or maximum connection speed at 1200bps.
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z , a, b, c=2400
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Set minimum or maximum connection speed at 2400bps.
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z , a, b, c=4800
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Set minimum or maximum connection speed at 4800bps.
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z , a, b, c=7200
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Set minimum or maximum connection speed at 7200bps.
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z , a, b, c=9600
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Set minimum or maximum connection speed at 9600bps.
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z , a, b, c=12000
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Set minimum or maximum connection speed at 12Kbps.
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z , a, b, c=14400
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Set minimum or maximum connection speed at 14.4Kbps.
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z , a, b, c=16800
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Set minimum or maximum connection speed at 16.8Kbps.
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z , a, b, c=19200
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Set minimum or maximum connection speed at 19.2Kbps.
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z , a, b, c=21600
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Set minimum or maximum connection speed at 21.6Kbps.
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z , a, b, c=24000
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Set minimum or maximum connection speed at 24Kbps.
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z , a, b, c=26400
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Set minimum or maximum connection speed at 26.4Kbps.
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z , a, b, c=28800
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Set minimum or maximum connection speed at 28.8Kbps.
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PULSE DIALING MODE
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Type:
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Configuration
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Format:
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AT [cmds] *Zn [cmds]
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Description:
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Sets the number of pulses per digit dialed while in pulse mode.
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Command
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Function
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í *Z0
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Number of pulses generated is equal to the dialed digit value (0 digit generates 10 pulses).
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*Z1
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Number of pulses generated is equal to the dialed digit value plus one (0 digit generates 1 pulse).
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REPORT INFORMATION
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Type:
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Immediate
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Format:
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AT [cmds] In [cmds]
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Description:
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Displays requested information about the modem.
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Command
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Function
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I0
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Reports product identification code.
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I1
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Reports ROM checksum.
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I2
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Tests and reports ROM checksum.
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I3
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Reports firmware version and interface type.
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I4
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Reports OEM response.
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I5
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Reports country code.
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I6
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Reports data pump model and version.
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