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DCP Configuration
5-453910-A2-GN32-40 September 1998
Table 5-6
(7 of 7)
V.42/MNP/Buffer Configuration Options
BuffrDiscDelay: 10sec
Nxt 10sec Disable 60sec
This configuration option is only available if Async/Sync Mode is configured for Async, and Error
Control Mode is not configured for DirectMode.
Buffer Disconnect Delay. Determines how long the modem continues to transmit data stored in its buffers
when the modem is commanded to disconnect by a locally attached DTE. This also applies to the modem’s
receiving buffers when it is commanded to disconnect from a remote modem or DTE.
H Disable
Modem disconnects immediately without attempting to send data stored in its buffers.
H 10, 60 sec
Maximum amount of time the modem tries to empty its buffers before disconnecting. In both cases
(10 sec and 60 sec), the modem disconnects much sooner if it can empty its buffers.
NOTE: This configuration option is not available if Error Control Mode configuration option is set to Direct
Mode.
The AT command is S-Register S49=n, where n is 0 for Disable and any value from 1 to 255 in 1 second
increments.
Max Frame Size: 256
Nxt 256 192 128 64 32 16
This configuration option is only available if Async/Sync Mode is configured for Async, and Error
Control Mode is not configured for BufferMode or DirectMode.
Maximum Frame Size. Sets the maximum frame size for V.42 and MNP. For V.42 operation, 128 is the
maximum value. Any value which exceeds this will automatically default to 128 for V.42. For MNP operation,
64 is the minimum value. Any value less than that will automatically default to 64. For cellular applications,
at least one of the sides should be set to a low value. A setting of 32 is recommended. Only one modem
needs this setting; both modems will automatically default to the greatest common value.
The AT Command for 256 is \A3.
The AT Command for 192 is \A2.
The AT Command for 128 is \A1.
The AT Command for 64 is \A0.
The AT Command for 32 is \A4.
The AT Command for 16 is \A5.
RdcdAsyncBufSiz: Disable
End Disable Enable
This configuration option is only available if Async/Sync Mode is configured for Async, and Error
Control Mode is configured for BufferMode, V42MNPorBuf, MNP_or_Buffr, and LAPM_or_Bufr mode.
Reduced Asynchronous Buffer Size. When enabled, the modem’s buffer size is limited to a maximum of
20 characters.
The AT command is S-Register S97=n, where n is 0 for Disable and 1 for Enable.