Serial Port Monitoring Control - ActiveX Component Library for RS232 Data Monitoring, API for Software Developers
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PROVIDERTYPE Enumeration

SymbolValueDescription
HHD_PST_UNSPECIFIED0x00000000Unspecified
HHD_PST_RS2320x00000001RS-232 serial port
HHD_PST_PARALLELPORT0x00000002Parallel port
HHD_PST_RS4220x00000003RS-422 port
HHD_PST_RS4230x00000004RS-423 port
HHD_PST_RS4490x00000005RS-449 port
HHD_PST_MODEM0x00000006Modem device
HHD_PST_FAX0x00000021FAX device
HHD_PST_SCANNER0x00000022Scanner device
HHD_PST_NETWORK_BRIDGE0x00000100Unspecified network bridge
HHD_PST_LAT0x00000101LAT protocol
HHD_PST_TCPIP_TELNET0x00000102TCP/IP telnet protocol
HHD_PST_X250x00000103X.25 standards