Win32_SerialPort class

Article
01/06/2021

The Win32_SerialPort WMI class represents a serial port on a computer system running Windows.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

[Dynamic, Provider("CIMWin32"), UUID("{8502C4BF-5FBB-11D2-AAC1-006008C78BC7}"), AMENDMENT]
class Win32_SerialPort : CIM_SerialController
{
  uint16   Availability;
  boolean  Binary;
  uint16   Capabilities[];
  string   CapabilityDescriptions[];
  string   Caption;
  uint32   ConfigManagerErrorCode;
  boolean  ConfigManagerUserConfig;
  string   CreationClassName;
  string   Description;
  string   DeviceID;
  boolean  ErrorCleared;
  string   ErrorDescription;
  datetime InstallDate;
  uint32   LastErrorCode;
  uint32   MaxBaudRate;
  uint32   MaximumInputBufferSize;
  uint32   MaximumOutputBufferSize;
  uint32   MaxNumberControlled;
  string   Name;
  boolean  OSAutoDiscovered;
  string   PNPDeviceID;
  uint16   PowerManagementCapabilities[];
  boolean  PowerManagementSupported;
  uint16   ProtocolSupported;
  string   ProviderType;
  boolean  SettableBaudRate;
  boolean  SettableDataBits;
  boolean  SettableFlowControl;
  boolean  SettableParity;
  boolean  SettableParityCheck;
  boolean  SettableRLSD;
  boolean  SettableStopBits;
  string   Status;
  uint16   StatusInfo;
  boolean  Supports16BitMode;
  boolean  SupportsDTRDSR;
  boolean  SupportsElapsedTimeouts;
  boolean  SupportsIntTimeouts;
  boolean  SupportsParityCheck;
  boolean  SupportsRLSD;
  boolean  SupportsRTSCTS;
  boolean  SupportsSpecialCharacters;
  boolean  SupportsXOnXOff;
  boolean  SupportsXOnXOffSet;
  string   SystemCreationClassName;
  string   SystemName;
  datetime TimeOfLastReset;
};

Members

The Win32_SerialPort class has these types of members:

Methods
Properties

Methods

The Win32_SerialPort class has these methods.

Method	Description
Reset	Not implemented. To implement this method, see the Reset method in CIM_SerialController.
SetPowerState	Not implemented. To implement this method, see the SetPowerState method in CIM_SerialController.

Properties

The Win32_SerialPort class has these properties.

Availability

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.5", "MIB.IETF|HOST-RESOURCES-MIB.hrDeviceStatus")

Availability and status of the device.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Running/Full Power (3)

Running or Full Power

Warning (4)

In Test (5)

Not Applicable (6)

Power Off (7)

Off Line (8)

Off Duty (9)

Degraded (10)

Not Installed (11)

Install Error (12)

Power Save - Unknown (13)

The device is known to be in a power save mode, but its exact status is unknown.

Power Save - Low Power Mode (14)

The device is in a power save state but still functioning, and may exhibit degraded performance.

Power Save - Standby (15)

The device is not functioning, but could be brought to full power quickly.

Power Cycle (16)

Power Save - Warning (17)

The device is in a warning state, though also in a power save mode.

Paused (18)

The device is paused.

Not Ready (19)

The device is not ready.

Not Configured (20)

The device is not configured.

Quiesced (21)

The device is quiet.

Binary

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|DCB|fBinary")

If TRUE, the serial port is configured for binary data transfer. Because the Windows API does not support nonbinary mode transfers, this property must be TRUE.

Capabilities

Data type: uint16 array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), MappingStrings ("MIF.DMTF|Serial Ports|004.7"), ModelCorrespondence ("CIM_SerialController.CapabilityDescriptions")

Array of chip-level compatibility for the serial controller. This property describes the buffering and other capabilities of the serial controller that may be inherent in the chip hardware. The property is an enumerated integer.

This property is inherited from CIM_SerialController.

Other (1)

Unknown (2)

XT/AT Compatible (3)

16450 Compatible (4)

16550 Compatible (5)

16550A Compatible (6)

8251 Compatible (160)

8251FIFO Compatible (161)

CapabilityDescriptions

Data type: string array
Access type: Read-only
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_SerialController.Capabilities")

Array of free-form strings providing more detailed explanations for any of the serial controller features indicated in the Capabilities array. Note, each entry of this array is related to the entry in the Capabilities array that is located at the same index.

This property is inherited from CIM_SerialController.

Caption

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64), DisplayName ("Caption")

Short description of the object.

This property is inherited from CIM_ManagedSystemElement.

ConfigManagerErrorCode

Data type: uint32
Access type: Read-only
Qualifiers: Schema ("Win32")

Win32 Configuration Manager error code.

This property is inherited from CIM_LogicalDevice.

This device is working properly. (0)

Device is working properly.

This device is not configured correctly. (1)

Device is not configured correctly.

Windows cannot load the driver for this device. (2)

The driver for this device might be corrupted, or your system may be running low on memory or other resources. (3)

Driver for this device might be corrupted, or the system may be low on memory or other resources.

This device is not working properly. One of its drivers or your registry might be corrupted. (4)

Device is not working properly. One of its drivers or the registry might be corrupted.

The driver for this device needs a resource that Windows cannot manage. (5)

Driver for the device requires a resource that Windows cannot manage.

The boot configuration for this device conflicts with other devices. (6)

Boot configuration for the device conflicts with other devices.

Cannot filter. (7)

The driver loader for the device is missing. (8)

Driver loader for the device is missing.

This device is not working properly because the controlling firmware is reporting the resources for the device incorrectly. (9)

Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.

This device cannot start. (10)

Device cannot start.

This device failed. (11)

Device failed.

This device cannot find enough free resources that it can use. (12)

Device cannot find enough free resources to use.

Windows cannot verify this device's resources. (13)

Windows cannot verify the device's resources.

This device cannot work properly until you restart your computer. (14)

Device cannot work properly until the computer is restarted.

This device is not working properly because there is probably a re-enumeration problem. (15)

Device is not working properly due to a possible re-enumeration problem.

Windows cannot identify all the resources this device uses. (16)

Windows cannot identify all of the resources that the device uses.

This device is asking for an unknown resource type. (17)

Device is requesting an unknown resource type.

Reinstall the drivers for this device. (18)

Device drivers must be reinstalled.

Failure using the VxD loader. (19)

Your registry might be corrupted. (20)

Registry might be corrupted.

System failure: Try changing the driver for this device. If that does not work, see your hardware documentation. Windows is removing this device. (21)

System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.

This device is disabled. (22)

Device is disabled.

System failure: Try changing the driver for this device. If that doesn't work, see your hardware documentation. (23)

System failure. If changing the device driver is ineffective, see the hardware documentation.

This device is not present, is not working properly, or does not have all its drivers installed. (24)

Device is not present, not working properly, or does not have all of its drivers installed.

Windows is still setting up this device. (25)

Windows is still setting up the device.

Windows is still setting up this device. (26)

Windows is still setting up the device.

This device does not have valid log configuration. (27)

Device does not have valid log configuration.

The drivers for this device are not installed. (28)

Device drivers are not installed.

This device is disabled because the firmware of the device did not give it the required resources. (29)

Device is disabled. The device firmware did not provide the required resources.

This device is using an Interrupt Request (IRQ) resource that another device is using. (30)

Device is using an IRQ resource that another device is using.

This device is not working properly because Windows cannot load the drivers required for this device. (31)

Device is not working properly. Windows cannot load the required device drivers.

ConfigManagerUserConfig

Data type: boolean
Access type: Read-only
Qualifiers: Schema ("Win32")

If TRUE, the device is using a user-defined configuration.

This property is inherited from CIM_LogicalDevice.

CreationClassName

Data type: string
Access type: Read-only
Qualifiers: CIM_Key

Name of the first concrete class to appear in the inheritance chain used in the creation of an instance. When used with the other key properties of the class, the property allows all instances of this class and its subclasses to be uniquely identified.

This property is inherited from CIM_LogicalDevice.

Description

Data type: string
Access type: Read-only
Qualifiers: DisplayName ("Description")

Description of the object.

This property is inherited from CIM_ManagedSystemElement.

DeviceID

Data type: string
Access type: Read-only
Qualifiers: Key, Override ("DeviceId"), MappingStrings ("Win32Registry|Hardware\\DeviceMap\\SerialComm")

Unique identifier of the serial port with other devices on the system.

This property is inherited from CIM_LogicalDevice.

ErrorCleared

Data type: boolean
Access type: Read-only

If TRUE, the error reported in LastErrorCode is now cleared.

This property is inherited from CIM_LogicalDevice.

ErrorDescription

Data type: string
Access type: Read-only

Free-form string supplying more information about the error recorded in LastErrorCode, and information about any corrective actions that may be taken.

This property is inherited from CIM_LogicalDevice.

InstallDate

Data type: datetime
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5"), DisplayName ("Install Date")

Date and time the object was installed. This property does not need a value to indicate that the object is installed.

This property is inherited from CIM_ManagedSystemElement.

LastErrorCode

Data type: uint32
Access type: Read-only

Last error code reported by the logical device.

This property is inherited from CIM_LogicalDevice.

MaxBaudRate

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|Serial Ports|004.6"), Units ("bits per second")

Maximum baud rate (in bits per second) supported by the serial controller.

This property is inherited from CIM_SerialController.

MaximumInputBufferSize

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwMaxRxQueue"), units ("bytes")

Maximum size of the serial port driver's internal input buffer. A value of 0 (zero) indicates that no maximum value is imposed by the serial provider.

MaximumOutputBufferSize

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwMaxTxQueue"), units ("bytes")

Maximum size of the serial port driver's internal output buffer. A value of 0 (zero) indicates that no maximum value is imposed by the serial provider.

MaxNumberControlled

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|Bus Port|001.9")

Maximum number of directly addressable entities supportable by this controller. A value of 0 (zero) should be used if the number is unknown.

This property is inherited from CIM_Controller.

Name

Data type: string
Access type: Read-only
Qualifiers: DisplayName ("Name")

Label by which the object is known. When subclassed, the property can be overridden to be a key property.

This property is inherited from CIM_ManagedSystemElement.

OSAutoDiscovered

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32Registry|HARDWARE\\DESCRIPTION\\SYSTEM\\MultifunctionAdapter")

If TRUE, the instances of this class were automatically discovered by the operating system. If, for example, hardware was added through Control Panel, the operating system finds instances of this class by querying hardware from the instances of this class.

PNPDeviceID

Data type: string
Access type: Read-only
Qualifiers: Schema ("Win32")

Windows Plug and Play device identifier of the logical device.

This property is inherited from CIM_LogicalDevice.

Example: "*PNP030b"

PowerManagementCapabilities

Data type: uint16 array
Access type: Read-only

Array of the specific power-related capabilities of a logical device.

This property is inherited from CIM_LogicalDevice.

Unknown (0)

Not Supported (1)

Disabled (2)

Enabled (3)

The power management features are currently enabled but the exact feature set is unknown or the information is unavailable.

Power Saving Modes Entered Automatically (4)

The device can change its power state based on usage or other criteria.

Power State Settable (5)

The SetPowerState method is supported. This method is found on the parent CIM_LogicalDevice class and can be implemented. For more information, see Designing Managed Object Format (MOF) Classes.

Power Cycling Supported (6)

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle).

Timed Power On Supported (7)

Timed Power-On Supported

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle) and Time set to a specific date and time, or interval, for power-on.

PowerManagementSupported

Data type: boolean
Access type: Read-only

If TRUE, the device can be power-managed (can be put into suspend mode, and so on). The property does not indicate that power management features are currently enabled, only that the logical device is capable of power management.

This property is inherited from CIM_LogicalDevice.

ProtocolSupported

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|Bus Port|001.2", "MIF.DMTF|Disks|003.3")

Protocol used by the controller to access "controlled" devices.

This property is inherited from CIM_Controller. The following list shows the possible values.

Other (1)

Unknown (2)

EISA (3)

ISA (4)

PCI (5)

ATA/ATAPI (6)

ATA or ATAPI

Flexible Diskette (7)

1496 (8)

SCSI Parallel Interface (9)

SCSI Fibre Channel Protocol (10)

SCSI Serial Bus Protocol (11)

SCSI Serial Bus Protocol-2 (1394) (12)

SCSI Serial Storage Architecture (13)

VESA (14)

PCMCIA (15)

Universal Serial Bus (16)

Parallel Protocol (17)

ESCON (18)

Diagnostic (19)

I2C (20)

Power (21)

HIPPI (22)

MultiBus (23)

VME (24)

IPI (25)

IEEE-488 (26)

RS232 (27)

IEEE 802.3 10BASE5 (28)

IEEE 802.3 10BASE2 (29)

IEEE 802.3 1BASE5 (30)

IEEE 802.3 10BROAD36 (31)

IEEE 802.3 100BASEVG (32)

IEEE 802.5 Token-Ring (33)

ANSI X3T9.5 FDDI (34)

MCA (35)

ESDI (36)

IDE (37)

CMD (38)

ST506 (39)

DSSI (40)

QIC2 (41)

Enhanced ATA/IDE (42)

AGP (43)

TWIRP (two-way infrared) (44)

FIR (fast infrared) (45)

SIR (serial infrared) (46)

IrBus (47)

ProviderType

Data type: string
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvSubType")

Communications provider type.

The values are:

"FAX Device"

"LAT Protocol"

"Modem Device"

"Network Bridge"

"Parallel Port"

"RS232 Serial Port"

"RS422 Port"

"RS423 Port"

"RS449 Port"

"Scanner Device"

"TCP/IP TelNet"

"X.25"

"Unspecified"

FAX Device ("FAX Device")

LAT Protocol ("LAT Protocol")

Modem Device ("Modem Device")

Network Bridge ("Network Bridge")

Parallel Port ("Parallel Port")

RS232 Serial Port ("RS232 Serial Port")

RS422 Port ("RS422 Port")

RS423 Port ("RS423 Port")

RS449 Port ("RS449 Port")

Scanner Device ("Scanner Device")

TCP/IP TelNet ("TCP/IP TelNet")

X.25 ("X.25")

Unspecified ("Unspecified")

SettableBaudRate

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_BAUD")

If TRUE, the baud rate can be changed for this serial port.

SettableDataBits

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_DATABITS")

If TRUE, data bits can be set for this serial port.

SettableFlowControl

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_HANDSHAKING")

If TRUE, flow control can be set for this serial port.

SettableParity

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_PARITY")

If TRUE, parity can be set for this serial port.

SettableParityCheck

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_PARITY_CHECK")

If TRUE, parity checking can be set for this serial port (if parity checking is supported).

SettableRLSD

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_RLSD")

If TRUE, Received Line Signal Detect (RLSD) can be set for this serial port (if RLSD is supported).

SettableStopBits

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwSettableParams|SP_STOPBITS")

If TRUE, stop bits can be set for this serial port.

Status

Data type: string
Access type: Read-only
Qualifiers: MaxLen (10), DisplayName ("Status")

Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive, may be functioning properly but predicting a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The latter, "Service", could apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, yet the managed element is neither "OK" nor in one of the other states.

This property is inherited from CIM_ManagedSystemElement.

Values include the following:

OK ("OK")

Error ("Error")

Degraded ("Degraded")

Unknown ("Unknown")

Pred Fail ("Pred Fail")

Starting ("Starting")

Stopping ("Stopping")

Service ("Service")

Stressed ("Stressed")

NonRecover ("NonRecover")

No Contact ("No Contact")

Lost Comm ("Lost Comm")

StatusInfo

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.3")

State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Enabled (3)

Disabled (4)

Not Applicable (5)

Supports16BitMode

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_16BITMODE")

If TRUE, 16-bit mode is supported on this serial port.

SupportsDTRDSR

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_DTRDSR")

If TRUE, data terminal ready (DTR) and data set ready (DSR) signals are supported on this serial port.

SupportsElapsedTimeouts

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_TOTALTIMEOUTS")

If TRUE, elapsed time-outs are supported on this serial port. Elapsed timeouts track the total amount of time between data transmissions.

SupportsIntTimeouts

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_INTTIMEOUTS")

If TRUE, interval time-outs are supported. An interval timeout is the amount of time allowed to elapse between the arrival of each piece of data.

SupportsParityCheck

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_PARITY_CHECK")

If TRUE, parity checking is supported on this serial port.

SupportsRLSD

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_RLSD")

If TRUE, Received Line Signal Detect (RLSD) is supported on this serial port.

SupportsRTSCTS

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_RTSCTS")

If TRUE, ready to send (RTS) and clear to send (CTS) signals are supported on this serial port.

SupportsSpecialCharacters

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_SPECIALCHARS")

If TRUE, serial port control characters are supported. These characters signal events rather than data. These characters are not displayable and are set by the driver. They include EofChar, ErrorChar, BreakChar, EventChar, XonChar, and XoffChar.

SupportsXOnXOff

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_XONXOFF")

If TRUE, XON or XOFF flow-control is supported on this serial port.

SupportsXOnXOffSet

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("Win32API|Communication Structures|COMMPROP|dwProvCapabilities|PCF_SETXCHAR")

If TRUE, the communications provider supports configuration of the XONor XOFF flow-control setting.

SystemCreationClassName

Data type: string
Access type: Read-only
Qualifiers: Propagated ("CIM_System.CreationClassName"), CIM_Key

Value of the scoping computer's CreationClassName property.

This property is inherited from CIM_LogicalDevice.

SystemName

Data type: string
Access type: Read-only
Qualifiers: Propagated ("CIM_System.Name"), CIM_Key

Name of the scoping system.

This property is inherited from CIM_LogicalDevice.

TimeOfLastReset

Data type: datetime
Access type: Read-only

Date and time this controller was last reset. This could mean the controller was powered down, or reinitialized.

This property is inherited from CIM_Controller.

Remarks

The Win32_SerialPort class is derived from CIM_SerialController.

Examples

For an alternate method of retrieving serial port information (from the registry), do a web search for the "Enumerate Ports" Visual Basic sample.

The following VBScript sample returns information about the serial ports installed on a computer.

On Error Resume Next 
 
strComputer = "." 
Set objWMIService = GetObject("winmgmts:" _ 
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2") 
 
Set colItems = objWMIService.ExecQuery("Select * from Win32_SerialPort") 
 
For Each objItem in colItems 
    Wscript.Echo "Binary: " & objItem.Binary 
    Wscript.Echo "Description: " & objItem.Description 
    Wscript.Echo "Device ID: " & objItem.DeviceID 
    Wscript.Echo "Maximum Baud Rate: " & objItem.MaxBaudRate 
    Wscript.Echo "Maximum Input Buffer Size: " & objItem.MaximumInputBufferSize 
    Wscript.Echo "Maximum Output Buffer Size: " & _ 
        objItem.MaximumOutputBufferSize 
    Wscript.Echo "Name: " & objItem.Name 
    Wscript.Echo "OS Auto Discovered: " & objItem.OSAutoDiscovered 
    Wscript.Echo "PNP Device ID: " & objItem.PNPDeviceID 
    Wscript.Echo "Provider Type: " & objItem.ProviderType 
    Wscript.Echo "Settable Baud Rate: " & objItem.SettableBaudRate 
    Wscript.Echo "Settable Data Bits: " & objItem.SettableDataBits 
    Wscript.Echo "Settable Flow Control: " & objItem.SettableFlowControl 
    Wscript.Echo "Settable Parity: " & objItem.SettableParity 
    Wscript.Echo "Settable Parity Check: " & objItem.SettableParityCheck 
    Wscript.Echo "Settable RLSD: " & objItem.SettableRLSD 
    Wscript.Echo "Settable Stop Bits: " & objItem.SettableStopBits 
    Wscript.Echo "Supports 16-Bit Mode: " & objItem.Supports16BitMode 
    Wscript.Echo "Supports DTRDSR: " & objItem.SupportsDTRDSR 
    Wscript.Echo "Supports Elapsed Timeouts: " & _ 
        objItem.SupportsElapsedTimeouts 
    Wscript.Echo "Supports Int Timeouts: " & objItem.SupportsIntTimeouts 
    Wscript.Echo "Supports Parity Check: " & objItem.SupportsParityCheck 
    Wscript.Echo "Supports RLSD: " & objItem.SupportsRLSD 
    Wscript.Echo "Supports RTSCTS: " & objItem.SupportsRTSCTS 
    Wscript.Echo "Supports Special Characters: " & _ 
        objItem.SupportsSpecialCharacters 
    Wscript.Echo "Supports XOn XOff: " & objItem.SupportsXOnXOff 
    Wscript.Echo "Supports XOn XOff Setting: " & objItem.SupportsXOnXOffSet 
Next

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Namespace	Root\CIMV2
MOF	CIMWin32.mof
DLL	CIMWin32.dll

Win32_SerialPort class

Syntax

Members

Methods

Properties

Remarks

Examples

Requirements

See also

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Additional resources