Abstract: Systems and methods for preventing drivers from being loaded in Windows® OS kernel space. A security driver according to aspects of the invention is loaded in kernel space and is configured to register a filter to provide a notification in the event of an ImageLoad. So configured, the Windows® kernel provides a notification on all executables being loaded to the kernel on a first method and all file system related activities for a second method before executing them. The user may then selectively determine whether the executable or the file system related activities may be executed.

Abstract: A method for improving a data transmission speed and an electronic device implementing the same are provided. The electronic device includes a USB connection unit configured to be connectable to an external electronic device and including designated data reception channels and data transmission channels, a switch unit configured to switch an electrical connection between the data reception channels and data transmission channels, and a control unit configured to confirm device attribute information of the external electronic device that is connected through the USB connection unit and to control the switch unit to switch the electrical connection so that at least one data reception channel functions as a data transmission channel if the connected external electronic device is a display device.

Abstract: An adapter may facilitate easy and swift data transfer amongst two previously incompatible electronic devices. Such an adapter may be operative to communicate data with a first of the two electronic devices using a contactless communication link and a first communication protocol and to communicate data with a second of the two electronic devices using a mechanical communication link and/or using a second communication protocol that is different than the first communication protocol, such that data may be transferred between the first and second electronic devices via the adapter. The adapter may be communicatively coupled to both the first electronic device and the second electronic device at the same time. The adapter may rapidly transition between communicating data with the first device and communicating data with the second device (e.g., without altering a physical connection between the adapter and one of the first and second devices during such a transition).

Abstract: Methods and apparatus related to efficient implementation of geometric series are discussed herein. For example, memory stores data corresponding to a geometric series. Logic, coupled to the memory, generates a channel address based at least in part on a summation of a tag address and one or more geometric series components of the geometric series. Other embodiments are also claimed.

Abstract: Embodiments of the present disclosure are related to identifying the orientation of a multimedia link connected between a source device and a sink device. A sink device includes a plurality of pins that are configured to interface with a plurality of pins of the multimedia link. The sink device identifies based on the values of one or more pins of the plurality of pins of the sink device whether the multimedia link is connected to the sink device. Further, the sink device determines an orientation of the multimedia link connected to the sink device. The multimedia link can be in one of two orientations, straight or flipped. The sink device may communicate the orientation of the multimedia link to the source device. The source device may perform lane mapping based on whether the multimedia link is in the straight or flipped orientation.

Abstract: An image forming apparatus includes an extension connection portion, a server board that is mounted to the extension connection portion and communicates, via an external communication port, with a management server that is provided at an exterior, a communication control portion that communicates, by using an internal communication port, with a collection object apparatus that is connected to a local network and from which information is to be collected, and a control portion that performs control so that the communication control portion collects predetermined apparatus information from the collection object apparatus and so that the server board transmits the apparatus information thus collected toward the management server.

Abstract: The present disclosure relates to an improved method for digital communication and, in particular, an improved method for digital communication in terms of improved authentication and traceability. More specifically, the present disclosure relates to a method of performing a transaction between a first device and a second device wherein the first device having an established trusted communication relation with a first trusted device and the second device having an established trusted communication relation with a second trusted device, the first and the second trusted device each having an established trusted communication relation with a fourth trusted device, the first and the second device being aware of a policy for the transaction specifying a role definition for the first and the second devices.

Abstract: A method of executing an application program in an electronic apparatus is provided. The method includes storing device support information corresponding to at least one application program, receiving device information from an external device, searching for one or more application programs supporting the external device based on the device information and the device support information, and executing an application program among the found one or more application programs.

Abstract: A multifunctional mobile telephone handset is connected to a PC using a Universal Serial Bus. During bus enumeration, a device class descriptor is returned by the handset to the PC. The PC's operating system receives information relating to one of the functions of the handset and assigns an appropriate device driver.

Abstract: The present invention relates to a device and a method for detecting keep-alive, comprising a collecting unit for collecting or capturing a plurality of packets transceiving between a plurality of wireless terminals and a plurality of servers, a preprocessing unit for mapping collecting or capturing time information of the packets which collected or captured by the collecting unit to at least one of identification information of wireless terminal, server identification information and port information, a slot allocation unit for allocating the mapped packets to each time slots on a timeline which generated according to the collecting or capturing time information, an ID(identification) assigning unit for assigning IDs to each sections on the timeline, wherein the assigning unit assigning same IDs to sections having time slots in which the packets are continuously allocated within a predetermined range; and a keep-alive detection unit for setting the sections which assigned same IDs to periodic sections, and f

Abstract: A pluggable electronic device is provided, where the pluggable electronic device is used to connect to a display, the pluggable electronic device is used to generate data complied with a first standard or a second standard, and to transmit the data to the display. The pluggable electronic device includes: a control circuit for generating audio/video signals and control signals; a selection signal generating circuit for generating a selection signal according a determining result indicating whether the pluggable electronic device is connected to an external power source or not; a multiplexer, for receiving the audio/video signals and the control signals, and selectively generating the audio/video signals and the control signals complied with the first standard or the second standard according to the selection signal; and a connector for transmitting the audio/video signals and the control signals from the multiplexer to the display.

Abstract: A method is disclosed for retrieving a data point (operating data) of a switch via a device which does not recognize the data point of the switch and which can only retrieve such data points of a switch. The device is connected to the switch via a data connection for retrieval. In an embodiment, the switch has a data set in which the data point is described including the use of said data point. The device retrieves the data set during the data connection and extracts at least the description and the use of the data point of the switch from the data set. The device retrieves said data point that is recognized by the device at least for the duration of the data connection and processes said data point using the extracted description and use.

Abstract: A system and corresponding method for transferring data via an interface assembly is provided. The data is transferred between a USB port of a first device and a media port of a second device. Uncompressed high definition media data may be received from the USB port. The received uncompressed high definition media data may be supplied to a media connector in accordance with a first media standard, such that the supplied data can be transmitted in accordance with the first media standard via the media connector to the media port of the second device. The uncompressed high definition media data may include multimedia data and side-band communication data. A single signal may be encoded and decoded in accordance with a protocol that enables the single signal to communicate all side-band communications to and from the source device via a single pin of a USB connector.

Abstract: A method and an apparatus perform Mobile High-definition Link (MHL) signal filtering. The method of performing the Mobile High-definition Link (MHL) signal filtering in a terminal includes determining whether a transmission device for MHL signal transmission is connected; determining whether a call continues when the transmission device is connected; and determining whether to perform the MHL signal filtering in the terminal based on whether the call continues. Accordingly, there is an advantage of improving picture quality of an image output from a multimedia device by effectively removing a common mode noise even when an RF weak electric field is formed due to call generation.

Abstract: In a Universal Serial Bus (USB) enumeration procedure, a USB Host questions a USB Device for its capabilities and chooses a set of capabilities that best fit. When the USB Device is enumerated, the USB Host may perform several time-consuming and power-consuming operations. However, when the USB Device is tightly or permanently coupled to the USB Host, part of the enumeration procedure may be redundant and can be eliminated. Accordingly, a method, an apparatus, and a computer program product for shortening enumeration of the USB Device tightly coupled to the USB Host are provided. The USB Host sends a request for a Device descriptor to the USB Device, receives a plurality of descriptors in a single transfer from the USB Device, and sets a configuration of the USB Device based on the received plurality of descriptors.

Abstract: Modular automation system and method are disclosed. A central automation device can be constructed and upgraded using one of a plurality of selectable and variously upgradable baseboards. The automation device can be upgraded using one of a plurality of central units which have uniform external dimensions yet differing data processing power and data storage capacities. At least one input/output expansion device can be directly coupled onto the central unit. Each of the selectable baseboards has a field bus connection interface for a standard field bus connection to a decentral input/output unit.

Abstract: The present disclosure relates to an improved method for digital communication and, in particular, an improved method for digital communication in terms of improved authentication and traceability. More specifically, the present disclosure relates to a method of performing a transaction between a first device and a second device wherein the first device having an established trusted communication relation with a first trusted device and the second device having an established trusted communication relation with a second trusted device, the first and the second trusted device each having an established trusted communication relation with a fourth trusted device, the first and the second device being aware of a policy for the transaction specifying a role definition for the first and the second devices.

Abstract: The disclosed embodiments relate to a system for managing replicated copies of data items in a storage system. During operation, the system obtains a current configuration of the storage system, wherein the current configuration specifies locations of replicated copies of data items. Next, the system analyzes the current configuration to identify possible movements of copies of data items among locations in the storage system. The system then assigns utilities to the identified movements, wherein a utility assigned to a movement reflects a change in reliability resulting from the movement. Finally, the system selects a utility-maximizing set of movements and performs the utility-maximizing set of movements to improve the reliability of the storage system.

Abstract: Techniques are described for establishing a Wireless Serial Bus (WSB) service to transport data using a Media Agnostic Universal Serial Bus (MAUSB) protocol according to a selected transport mode in a WSB session of the WSB service. The MAUSB protocol may be deployed either over an Internet Protocol (IP) stack or directly over a Media Access Control (MAC) layer. According to the techniques, the wireless service advertiser and the wireless service seeker negotiate the transport mode for the MAUSB protocol in each WSB session of the WSB service. During a service discovery process, the wireless service advertiser identifies one or more supported transport modes for the MAUSB protocol in service information for the WSB service. During a P2P connection setup and a WSB session setup, the wireless service seeker indicates a selected one of the supported transport modes for the MAUSB protocol in session information for the WSB session.

Abstract: A data transmission method and an electronic apparatus are disclosed. The data transmission method comprises: establishing transmission channels between the local endpoints and a plurality of remote endpoints, wherein at least one of the local endpoints corresponds to at least two of the remote endpoints and at least two transmission channels are established; and transmitting data by using the transmission channels in a time-slice manner between the local endpoints and the corresponding remote endpoints. The data transmission method and the electronic apparatus of the present disclosure can achieve data transmission between a USB host and a plurality of USB devices even when the number of remote endpoints included in the USB devices is greater than the number of local endpoints included in the USB host.

Abstract: Methods and apparatus are provided for externally managing control target devices such as computer systems, cameras, recorders, etc., in an effective and secure manner. In particular examples, an external desktop agent is connected to a computer system. Remote desktop agent software need not be installed on the computer system. The external desktop agent receives commands such as keyboard and mouse commands from a control computer over a mechanism such as a bi-directional network. To provide security, the external desktop agent does not directly connect to the computer system over an interface such as universal serial bus (USB) but instead provides a PS/2 interface that connects to the computer system through a standard PS/2 to USB adapter. PS/2 does not allow bi-directional command signaling and does not provide file level access to potentially sensitive computer system data.

Abstract: A data collection unit obtains physiological data from a subject interface on a subject. The subject interface can be connected to the data collection unit. When the subject interface is connected to the data collection unit, subject interface contacts on the subject interface make contact with data collection unit contacts on the data collection unit. Some of the data collection unit contacts are for communicating physiological data from the subject interface to the data collection unit. Some of the contacts are for powering the data collection unit upon the subject interface being connected to the data collection unit and for powering down the data collection unit upon the subject interface being disconnected from the data collection unit.

Abstract: The disclosure discloses a method for implementing audio transmission and a mobile terminal, wherein the method includes: setting an interface descriptor for a Universal Serial Bus (USB) audio device in a USB composite device, wherein the interface descriptor is used for describing information needed by the USB audio device for transmitting audio data; sending the interface descriptor of the USB audio device to a USB host by the USB audio device to enable the USB host to complete enumeration and identification of the USB audio device according to the interface descriptor of the USB audio device; and performing audio data transmission by the USB audio device with the USB host. By means of the disclosure, a high-quality audio transmission effect can be ensured.

Abstract: A plug connector with external contacts is provided. The connector has one pair of contacts for transmitting data and one pair of contacts for receiving data. All data transmitted and received using the plug connector is serialized/de-serialized to enable data transmission at a very high rate. A corresponding receptacle connector has configurable contacts that are configured based on the orientation of the plug connector with respect to the receptacle connector. The receptacle connector may be included in a host device and has associated circuitry to detect orientation of the plug connector and to configure the contacts of the receptacle connector.

Abstract: For a printing system, a printing device and an information terminal are connected by communication. The printing device includes a wired communication unit configured to communicate by USB, a connection confirmation unit configured to confirm the connection to the information terminal, and a boot application determination unit configured to notify the information terminal of the application to be booted at the information terminal. The information terminal includes a wired communication unit configured to communicate by USB, a wireless communication unit configured to communicate with a server, an application existence determination unit configured to determine installation, a download site determination unit configured to determine a server, an install unit configured to acquire the application from the server and install, and an application boot unit configured to boot the application.

Abstract: An electronic device assembly includes a main device, and a plurality of peripheral devices. The main device includes a first connector. Each of the plurality of peripheral devices includes two second connectors. Each first connector and second connector includes various types of interfaces, and the plurality of peripheral devices is coupled to the main device via the various types of interfaces; each peripheral device is coupled to another peripheral device via the second connector, to connect the plurality of peripheral devices one by one in series.

Abstract: Aspects of transmit and receive connectivity devices are described. In one embodiment, a transmit connectivity device includes a first high definition multimedia interface (HDMI) port, signal processing circuitry configured to receive a media signal and to convert the media signal to a converged media signal, a multi-position multi-contact port, and a second HDMI port. The multi-position multi-contact port may include a first plurality of contacts coupled to the signal processing circuitry to transmit the converged media signal to at least one sink device, and a subset of a second plurality of contacts of the HDMI port may be coupled to the first plurality of contacts. Using the connectivity devices described herein, HDMI cables may be relied upon to communicate combinations of media signals, including full uncompressed high definition video, audio, 100BaseT Ethernet, and various control signals.

Abstract: An interface device (10) provides fast data communication between a host device with input/output interfaces and a data transmit/receive device, wherein the interface device (10) comprises a processor means (13), a memory means (14), a first connecting device (12) for interfacing the host device with the interface device, and a second connecting device (15) for interfacing the interface device (10) with the data transmit/receive device. The interface device (10) is configured by the processor means (13) and the memory means (14) in such a way that, when receiving an inquiry from the host device via the first connecting device (12) as to the type of a device attached to the host device, regardless of the type of the data transmit/receive device, the interface device sends a signal to the host device via the first connecting device (12) which signals to the host device that it is communicating with an input/output device.

Abstract: A communications cable including a first communications interface configured to be connected to a storage device, a second communications interface configured to receive data and power, a wireless access module configured to be powered by the power received by the second communications interface and to enable wireless access of the storage device, and a cable unit including one or more cables and configured to connect the wireless access module to the first communications interface and the second communications interface, and the first communications interface to the second communications interface.

Abstract: A system includes a programmable interface module located on an integrated circuit (IC), the programmable interface module configured to be programmed to operate in a plurality of modes, and communicate with at least one device external to the IC based on a selected one of the plurality of modes. Each of the plurality of modes corresponds to at least one of a type of peripheral feature, a type of communication interface, and a protocol type. An interface configuration module is configured to receive an indication of the selected one of the plurality of modes and program the programmable interface module to operate in the selected one of the plurality of modes in response to the indication.

Abstract: A debugging method comprises the steps of: detecting a connecting condition between the target apparatus and the adapter, detecting a connecting condition between the host apparatus and the adapter, comparing a version of BIOS code stored in a firmware of the target apparatus with a version of a transferred firmware of the adapter, comparing a version of debug software stored in a firmware of the host apparatus with the version of the transferred firmware of the adapter, sending debugging commands of the host apparatus to the target apparatus via the adapter, and sending debugging codes of the target apparatus to the host apparatus via the adapter.

Abstract: An intelligent serial interface circuit in accordance with one embodiment of the invention can include a first communication interface circuit for enabling a first communication protocol. The intelligent serial interface circuit can also include a second communication interface circuit for enabling a second communication protocol. Furthermore, the intelligent serial interface circuit can include a detector circuit coupled to the first communication interface circuit and the second communication interface circuit. The detector circuit can be for automatically detecting a factor that indicates automatically enabling the first communication interface circuit and automatically disabling the second communication interface circuit. The detector circuit can be for detecting a coupling of a pin of the first communication interface circuit that is not used by the second communication interface circuit.

Abstract: Management of data communication between a peripheral device and host computer system is provided. A peripheral device exposes to a host computer system multiple interfaces for data communication between the peripheral device and the host computer system. The multiple interfaces are exposed over a single physical interface between the peripheral device and the host computer system, for communicating data between the peripheral device and multiple applications executing on the host computer system. The multiple interfaces can include a data collection interface facilitating collection of data from the peripheral device by an application of the multiple applications executing on the host computer system.

Abstract: An interface device capable of supporting an unknown I/O device comprises: a transmission module, used for receiving a control signal sent by an I/O device and sending a feedback signal to the I/O device; a signal process module, used for generating a control indicating signal according to the control signal and generating the feedback signal according to a feedback indicating signal; and a USB interface, used for sending the control indicating signal to a data process device and receiving the feedback indicating signal from the data process device; wherein, information content of the control indicating signal and information content of the feedback indicating signal both comprise the information of a first device description unit and a first interaction description unit contained in a first device index chart.

Abstract: A data storage device may comprise a controller, first and second host-addressable logical units and a communication interface. The first logical unit may comprise a first data storage, first endpoints associated with the first data storage and a first bus interface coupled between the first data storage and the first endpoints. The second logical unit may comprise a second data storage and second endpoints. The second endpoints may be associated with the second data storage and may be separate and distinct from the first endpoints. A second bus interface may be coupled between the second data storage and the second endpoints. The communication interface may be coupled to the first and second host-addressable logical units and may be configured according to communicate with the host according to a predetermined communication protocol.

Abstract: Apparatus and associated methods relate to an unpowered data-transfer device having a processor, non-volatile memory, and two connection ports, from which operating current for the unpowered data-transfer device is drawn when connected to a powered system via one of the connection ports. In various embodiments, the apparatus may transfer program data or configuration data from a host processor system to one of a plurality of target data-transferable systems. Some embodiments may transfer stored data from one or more target data-transferable systems to a host processor system. Some exemplary unpowered data-transfer devices may include a power arbiter coupled to both a host port and a target port, the power arbiter determining from which port operating current may be drawn. In various embodiments, an unpowered data-transfer device may facilitate firmware upgrades or system settings changes to autonomous programmable systems by touching target port contacts to a port on a data-transferable system.

Abstract: The invention concerns a device (1) comprising a portion of cable (3) with a male USB connector (3a) connected to a module (2) capable of operating as a USB peripheral device, said device being characterised in that the device also comprises a portion of cable with a female USB connector (3b) connected to the module, said module being capable of operating also as a USB host, the male and female connectors being capable of being connected to one another in such a way that the portions of cable form a loop together with the module, the module being configured to control the data exchanges depending on the connection status of the male USB connector and female USB connector thereof.

Abstract: A wireless adapter for a measurement device is provided. The wireless adapter includes a first universal serial bus (USB) port to couplably receive data from the measurement device. The wireless adapter includes a battery to power the measurement device via the first USB port. the wireless adapter includes a wireless module to wirelessly transmit the received data to an external computing device after processing by the wireless adapter.

Abstract: A data transmission system and method are provided. The data transmission method receives a second format data packet sent by a host; decodes the second format data packet sent by the host, and translating the decoded second format data packet into a first format data packet; transmits the first format data packet to a first device; receives a transmission response sent by the first device in response to the first format data packet, determines whether to transmit the transmission response to the host, and performs a re-try flow when the transmission response does not need to be transmitted to the host. Preferably, a data transmission rate of the first device is slower than that of a second device, and the data transmission system is backward compatible to the first device, and the second format data packet is consistent with the second device.

Abstract: A data acquisition system includes a receptacle and a data acquisition device. The receptacle has a housing, sensor inputs to receive data signals from sensors coupled to an object, and a rib to block insertion of a standard Universal Serial Bus (USB) plug and facilitate insertion of a modified USB plug having a slot that mates with the rib. The data acquisition device includes circuitry to receive, store and process data, a USB plug having pins operatively coupled to the circuitry, a first subset of pins configured to receive data signals from the receptacle and a second subset of pins configured to support standard USB communication with USB-compliant devices, and a slot formed in the USB plug such that the slot facilitates interconnection of the USB plug both with standard USB-compliant devices and with the receptacle, the slot mating with the rib to facilitate interconnection.

Abstract: An input port for an electronic device for receiving different types of connectors, memory cards, or plugs. The input port includes an outer wall defining a receiving aperture, a substrate positioned within the receiving aperture. A first set of contacts is positioned on the substrate at a first depth into the receiving aperture and a second set of contacts is positioned on a first surface of the outer wall at a second depth into the receiving aperture. The first set of contacts is configured to communicate with a first connector and the second set of contacts is configured to communicate with a second connector.

Abstract: An electronic meeting tool and method for communicating arbitrary media content from users at a meeting is described. These can include a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration means is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. At least one peripheral device adapted to communicate the user selected arbitrary media content via the communications network is provided, wherein the peripheral device is a connection unit that includes a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system; and a transmitter for communicating with the communications network.

Abstract: Techniques are described for establishing a Wireless Serial Bus (WSB) service to transport data using a Media Agnostic Universal Serial Bus (MAUSB) protocol according to a selected transport mode in a WSB session of the WSB service. The MAUSB protocol may be deployed either over an Internet Protocol (IP) stack or directly over a Media Access Control (MAC) layer. According to the techniques, the wireless service advertiser and the wireless service seeker negotiate the transport mode for the MAUSB protocol in each WSB session of the WSB service. During a service discovery process, the wireless service advertiser identifies one or more supported transport modes for the MAUSB protocol in service information for the WSB service. During a P2P connection setup and a WSB session setup, the wireless service seeker indicates a selected one of the supported transport modes for the MAUSB protocol in session information for the WSB session.

Abstract: Embodiments of the invention provide a system for enhancing user interaction with Interactive Voice Response (IVR) destinations, the system comprising: a processor; and a memory coupled to the processor, the memory comprising: data encoding a database, the database comprising a list of telephone numbers associated with one or more destinations implementing an IVR; instructions executable by the processor for automatically communicating with at least one user; and instructions executable by the processor to pull at least one menu from the database and display the menu to the at least one user, wherein the menu is associated with a telephone number dialed by the at least one user, and wherein the menu comprises at least one icon.

Abstract: Management of data communication between a peripheral device and host computer system is provided. A peripheral device exposes to a host computer system multiple interfaces for data communication between the peripheral device and the host computer system. The multiple interfaces are exposed over a single physical interface between the peripheral device and the host computer system, for communicating data between the peripheral device and multiple applications executing on the host computer system. The multiple interfaces can include a data collection interface facilitating collection of data from the peripheral device by an application of the multiple applications executing on the host computer system.

Abstract: An apparatus and method for operating a connector of a mobile terminal are provided. The apparatus includes a connector including a plurality of pins, a plug of a peripheral device, a display unit for displaying a menu for setting a connector mode, an input unit for receiving selection of one connector mode from the menu for setting a connector mode, a main processor for connecting with a switch unit through a data line, a sound line, a microphone line, and a control line, for receiving connector mode selection information from the input unit, and for transferring switching information through the control line, and the switch unit for connecting with a subset of the pins of the connector, and selectively connecting the subset of the pins to at least one of the data line, the sound line, and the microphone line.

Abstract: A mouse with a replaceable sensing unit comprises a main body, a processor unit and a sensing unit. The main body has a containing slot and a first electrical interface. The first electrical interface is disposed in the containing slot. The processor unit is disposed in the main body, and coupled to the first electrical interface. The sensing unit is replaceably disposed in the containing slot of the main body, and the sensing unit is coupled to the first electrical interface when the sensing unit is disposed in the containing slot. The processor unit gets via the first electrical interface an input signal generated when the sensing unit senses the movement of the main body, and then relatively outputs a cursor control signal to a computer apparatus.

Abstract: A wireless adapter for a measurement device is provided. The wireless adapter includes a first universal serial bus (USB) port to couplably receive data from the measurement device. The wireless adapter includes a battery to power the measurement device via the first USB port. the wireless adapter includes a wireless module to wirelessly transmit the received data to an external computing device after processing by the wireless adapter.

Abstract: A mobile device and a computational system including same are described. The mobile device includes a sensor unit having a motion sensor and/or a touch sensor that provides sensing information. The sensing information is applied to a universal serial bus user interface (USB UI) data generation unit and is changed into USB UI data before being output as USB UI data using a USB communication technique.

Abstract: In one embodiment, a monolithic integrated circuit includes a first UART, a second UART, and a multiplexer. The first UART has a parallel IO interface to couple to a host system to transceive parallel data and a serial IO interface. The second UART has a parallel IO interface and a serial IO interface coupled to the serial IO interface of the first UART. The first and second UARTs convert parallel data into serial data and serial data into parallel data. The multiplexer has an output coupled to the serial input of the first UART, a first input coupled to the serial output of the second UART, a second input coupled to a serial input of a serial communication port, and a select input coupled to a control signal selectively coupling serial interfaces of first and second UARTs together for remote terminal services at a remote computer system over a network.