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COMSPHERE 3800 Series Modems
9-34 September 1998 3810-A2-GB30-30
Table 9-6
(2 of 6)
V.42/MNP/Buffer Configuration Options
*Err Contrl Mode (cont.)
For Async Dial and UNIX Dial, V42/MNPorBfr is the factory default.
For Sync Dial and Sync Leased, DirectMode is the factory default.
AT command for Buffer Mode is \N0.
AT command for Direct Mode is \N1.
AT command for MNP or Disconnect is \N2.
AT command for MNP or Buffer is \N3.
AT command for V42/MNP or Disconnect is \N4.
AT command for V42/MNP or Buffer is \N5.
AT Command for LAPM or Disconnect is \N6.
AT Command for LAPM or Buffer is \N7.
*V42bis Compress: Enable
Nxt Enable Disable
V.42bis Compression. Enables or disables V.42bis data compression.
Enable – Data compression operates in both the transmit and receive directions. This is the recommended setting for all
applications.
Disable – V.42bis data compression is disabled. This is rarely needed because V.42bis data compression does not
cause data expansion for compressed data.
The factory default is Enable.
NOTE: This configuration option is only available if Error Control Mode configuration option is set for V42/MNPorBfr or
V42/MNPorDsc.
AT command for Disable is ″H0.
AT commands for Enable are ″H1, ″H2, or ″H3.
*MNP5 Compress: Enable
Nxt Enable Disable
MNP5 Compression. Determines if the modem uses MNP Class 5 data compression. It can be set independently of
V.42bis data compression. Online changes do not take effect until a disconnect occurs.
The factory default is Enable.
NOTE: This configuration option is only available if Error Control Mode configuration option is set for V42/MNPorBfr,
V42/MNPorDsc, MNP or Buffr, or MNP or Disc.
AT command for Disable is %C0.
AT command for Enable is %C1.
* This configuration option is only available if Async/Sync Mode is configured for Async. Refer to the DTE Interface
configuration options group for more on Async/Sync Mode.