CX06833-4 View Datasheet(PDF) - Conexant Systems

Part Name

Description

Manufacturer

CX06833-4

SMXXD Modem

Conexant Systems 

CX06833-3x/4x SMXXD Modem Data Sheet

2.4

2.4.1

2.4.2

2.4.3

2.4.4

2.4.5

2.4.6

Data Mode

The modem enters data mode when a telephone line connection has been established

between modems and all handshaking has been completed.

Speed Buffering (Normal Mode)

Speed buffering allows a DTE to send data to, and receive data from, a modem at a speed

different than the line speed. The modem supports speed buffering at all line speeds.

Flow Control

DTE-to-Modem Flow Control. If the modem-to-line speed is less than the DTE-to-

modem speed, the modem supports XOFF/XON or RTS/CTS flow control with the DTE

to ensure data integrity.

Escape Sequence Detection

The +++ escape sequence can be used to return control to the command mode from the

data mode. Escape sequence detection is disabled by an S2 Register value greater than

127.

BREAK Detection

The modem can detect a BREAK signal from either the DTE or the remote modem. The

\Kn command determines the modem response to a received BREAK signal.

Telephone Line Monitoring

GSTN Cleardown (V.90, V.34, V.32 bis, V.32). Upon receiving GSTN Cleardown

from the remote modem in a non-error correcting mode, the modem cleanly terminates

the call.

Loss of Carrier (V.22 bis and Below). If carrier is lost for a time greater than specified

by the S10 register, the modem disconnects.

Fall Forward/Fallback (V.92/V.90/V.34/V.32 bis/V.32)

During initial handshake, the modem will fallback to the optimal line connection within

V.92/V.90/V.34/V.32 bis/V.32 mode depending upon signal quality if automode is

enabled by the +MS or N1 command.

When connected in V.92/V.90/V.34/V.32 bis/V.32 mode, the modem will fall forward or

fallback to the optimal line speed within the current modulation depending upon signal

quality if fall forward/fallback is enabled by the %E2 command.

2-4

Conexant

102228A

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