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14.4 VOICE FAX/MODEM
ZOLTRIX
14.4 VOICE FAX/MODEM
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Modem Type
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Data (Asynchronous/Synchronous)/Fax/Voice
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Maximum Data Rate
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14.4K bps
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Maximum Fax Rate
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14.4K bps
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Data Bus
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16-bit ISA
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Fax Class
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Class 2
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Data Modulation Protocol
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Bell 103 & 212A, CCITT V.32bis, V.32, V.22bis, V.22 & V.21
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Fax Modulation Protocol
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CCITT V.29, V.27ter, V.21 & V.17, GRP III
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Error Correction/Compression
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CCITT V.42bis & V.42, MNP5 & MNP4
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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Line out
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CN1
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Microphone jack
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CN3
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Line in
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CN2
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Speaker jack
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CN4
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INTERRUPT SELECT
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IRQ
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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SW1/7
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í
IRQ3
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off
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off
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off
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on
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off
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IRQ2
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off
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off
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off
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off
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on
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IRQ4
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off
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off
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on
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off
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off
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IRQ5
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off
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on
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off
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off
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off
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IRQ7
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on
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off
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off
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off
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off
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COM PORT SETTINGS
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COM
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SW1/5
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SW1/6
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í
COM2
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off
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on
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COM1
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on
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on
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COM3
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on
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off
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COM4
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off
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off
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\An PROPRIETARY COMMAND
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Note:
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Sets the maximum MNP block size.
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Command
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Protocol
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í
\A2
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Set maximum block size to 192 characters.
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\A0
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Set maximum block size to 64 characters.
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\A1
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Set maximum block size to 128 characters.
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\A3
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Set maximum block size to 256 characters.
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\Bn PROPRIETARY COMMAND
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Note:
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Sends a break signal to the remote modem during a non-MNP connection.
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Command
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Protocol
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í
\B3
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Sends a 300ms break.
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\B0
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\Bn command disabled.
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\B1
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Sends a 100ms break.
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\B2
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Sends a 200ms break.
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\B4
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Sends a 400ms break.
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\B5
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Sends a 500ms break.
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\B6
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Sends a 600ms break.
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\B7
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Sends a 700ms break.
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\B8
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Sends a 800ms break.
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\B9
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Sends a 900ms break.
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/Gn PROPRIETARY COMMAND
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Note:
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Enables/disables modem-to-modem flow control.
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Command
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Protocol
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í
\G0
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Modem-to-modem flow control disabled.
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\G1
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Modem-to-modem flow control enabled.
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/Kn PROPRIETARY COMMAND
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Note:
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Selects the modem response when a break signal is detected from the DTE or remote modem.
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Command
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Protocol
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í
\K5
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(1) Break signal from DTE, normal/MNP mode: modem sends a break signal to the remote modem in sequence with transmitted data.
(2) Break signal from remote modem, normal mode: modem returns break signal in sequence with buffered data.
(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.
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/Kn PROPRIETARY COMMAND
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Command
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Protocol
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\K0
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(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.
(2) Break signal from remote modem, normal mode: modem clears terminal and modem buffers, then returns break signal.
(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.
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\K1
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(1) Break signal from DTE, normal/MNP mode: modem clears terminal and modem buffers, then sends a break signal to the remote modem.
(2) Break signal from remote modem, normal mode: modem clears terminal and modem buffers, then returns break signal.
(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.
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\K2
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(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.
(2) Break signal from remote modem, normal mode: modem does not clear buffers and returns a break signal
(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.
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\K3
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(1) Break signal from DTE, normal/MNP mode: modem does not clear buffers and sends a break signal to the remote modem.
(2) Break signal from remote modem, normal mode: modem does not clear buffers and returns a break signal
(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.
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\K4
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(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.
(2) Break signal from remote modem, normal mode: modem returns break signal in sequence with buffered data.
(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.
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/Ln PROPRIETARY COMMAND
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Note:
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Enables block or stream mode for MNP connections.
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Command
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Protocol
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í
\L0
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Stream mode for MNP links enabled.
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\L1
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Block mode for MNP links enabled.
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/Nn PROPRIETARY COMMAND
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Note:
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Selects the Error-Correction Operating Mode.
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Command
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Protocol
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í
\L3
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Auto-Reliable Link mode enabled (&Q5, S36=7, S48=7).
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\N0
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Normal mode enabled (&Q6).
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\N1
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Direct mode enabled (&Q0).
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\N2
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Reliable Link mode enabled (&Q5, S36=4, S48=7).
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/Nn PROPRIETARY COMMAND
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Command
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Protocol
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\N4
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LAPM error correction mode enabled (&Q5, S48=0).
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\N5
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MNP error correction mode enabled (&Q5, S36=4, S48=128).
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%Cn PROPRIETARY COMMAND
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Note:
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Selects data compression options. Applies only to V.42bis/V.42 protocols.
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Command
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Protocol
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í
%C3
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V.42bis and MNP5 data compression enabled.
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%C0
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Data compression disabled.
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%C1
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MNP5 data compression enabled.
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%C2
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V.42bis data compression enabled.
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%En PROPRIETARY COMMAND
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Note:
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Selects line quality monitor and auto-retrain options. Applies only to V.42bis/V.42 protocols.
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Command
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Protocol
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í
%E0
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Line quality monitor and auto-retrain function disabled.
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%E1
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Line quality monitor and auto-retrain function enabled.
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%E2
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Line quality monitor, auto-retrain function, and auto fall-back/fall-forward function enabled.
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%E3
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Line quality monitor and auto-retrain function enabled, hang up when Eye Quality Monitor threshold reached.
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%L PROPRIETARY COMMAND
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Note:
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Reports received signal level in dBm, from 090 (9dBm) to 043 (43dBm). Applies only to V.42bis/V.42 protocols.
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%Q PROPRIETARY COMMAND
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Note:
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Reports line signal quality according to the signal/noise ratio (dBm). Applies only to V.42bis/V.42 protocols.
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