V.42 error correction allows either LAPM or MNP4 error correction to be negotiated. Modems differ in the way they enable error correction. See your modem documentation for the error correction methods used with your modem. Best Data Compression Data compression can be negotiated between two modems to allow for greater data throughput. Data compression standards include V.42 bis and MNP5.
Modems differ in the way they enable data compression.
See your modem documentation for the data compression settings used with your modem. Initializing the Modem After the modem initialization string has been determined, perform the following steps to configure the modem. Step 1 Map a host name to a decimal port. The port number is 2xxx, plus the number of the tty line. Make sure your modem is strapped accordingly.