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Remote Support Modem Configuration
This section contains information for connecting specific modems to the RP 3000 9XSLX/RX
Family Computer System. This section also discusses the signal line behavior of the
Multifunction I/O modem interface to aid in configuring modems that are not listed.
General rules for configuring modems:
• The modem must be set up to respond to DTR.
• CTS should follow RTS.
• DSR must follow OR, not DCD.
• For Bell mode, the modem should disregard RTS.
• Set both local and remote modems to either:
o the same compression mode, OR
o to NO data compression.
If problems occur connecting two modems, usually the fault is that one is enabled for
some MNP level and the other modem is set for no data compression.
If the modem sends up-modem dialog with all of the signals asserted, it is possible for the user
to be logged off immediately when a password is enabled for the Access Port. This can be
corrected by setting the modem so it does not report connection status via the data path.
Note
V.22bis/V.25bis modes are not supported on the A1703-60003or A1703-60022
Multifunction I/O interfaces.
Remote Support Modem Configuration
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