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Multi-port modem cards and multi-serial port cards


NetModem Server is compatible with all multi-port modem cards that create Windows COM ports, including both Analog and Digital (ISDN PRI or BRI) cards. Below are several commonly used cards.

Current Multi-port Modem cards:

Discontinued Multi-port Modem cards:

  • Digi/Patton Dialfire 2977 T1/E1 RAS cards (24 to 60 modems, analog+digital, Win2K/XP only)
  • Digi AccelePort RAS- Multi modem adapters (4 or 8 analog modems)
  • Digi RapidPort/4 USB external 4 analog modems
  • Eicon Diva Server (24 to 60 modems, analog+digital)
  • Equinox - Mult-Modems (4 or 8 analog modems)
  • NetComm Australia Intra V.92 multi-modem card (4 or 8 analog modems)
  • Perle - Multi-Modem cards (4 or 8 analog modems)

External Serial modems can be connected to Multi-port Serial cards:

What not to use:

USB to Serial port adapters based on the Prolithic PL-2303 chipset have known issues with their serial emulation failing when used for modem applications. Therfore these adapters should not be used to attach external modems to NetModem Server.

Brooktrout multi-fax cards are not modems, as they lack COM ports and are not compatible with serial based applications, so these fax cards can not be shared using NetModem.

Separate "cheap" controllerless PCI modem cards, known as Software modems or WinModems often do not allow multiple cards to co-exist in one PC. Check with the modem manufacture to confirm that multiple cards can co-exist..


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