internal modem

internal modem

A modem that plugs into an expansion slot within the computer. Unlike an external modem, an internal modem does not provide a series of display lights that inform the user of the changing modem states. The user must rely entirely on the communications program. Contrast with external modem.


Modem Housings
There are three ways that modems are connected to a computer. The internal modem (left) plugs into an expansion slot. The external modem (middle) plugs into the serial port, and the PC Card modem (right) plugs into a PC Card slot. (Image courtesy of U.S. Robotics.)
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Richard returned the computer the day after he bought it from PC World in Aberdeen because it lacked an internal modem. But HFC refused to cancel the credit agreement he had signed.
The GT2 is directly linked to Proseal via an internal modem, which enables machine performance to be monitored remotely with settings adjusted if necessary and any potential problems dealt with swiftly.
The system allows remote equipment to be rebooted or power controlled over an IP network using an Internet browser, and a serial port or optional internal modem is provided for out-of-band access when the network is unavailable.
Optional features include an automatic synchronizer, eight additional programmable 2 amp dc dry relay contact outputs, an expandable I/O capability via J1939 CANbus, an internal modem for remote dial-out and dial-in capability and Modbus communications with RS-485 functions.
The costs and sizes of desktop personal computers (PCs) can be significantly reduced and made smaller because of a new internal modem chip introduced by Agere Systems (NYSE:AGR).
According to the company, the Digi Passport featuresPerl language support for customised log searching and event notification; dual Ethernet ports and optional dual power sources and/or internal modem; automation and analysis capabilities; native support for next generation IPv6; as well as a USB port and a PC Card slot for expandability.
Standard features of the Series include an internal modem that provides diagnostic support, programmable positioning of platens, individually programmable oven zones, 480 VAC programmable high-output fans for faster cooling of molded parts, and integrated oven-sag eye for best sheet-temperature control.
With the greater penetration of broadband, many PCs have eliminated the internal modem. Sure, you can still add one, and this peripheral still provides fax compatibility.
The Pulmonary Diagnostics Lab asked QRS to install and test SpiroCard with the Office Medic software on a PC with pcAnywhere and an internal modem. It was successful.
AirPort Extreme can connect using an Ethernet-based broadband connection via DHCP or PPPoE, or by a direct dial-in with its internal modem.
This is because the only connections the internal modem has to the outside world are the telephone line and the computer's main board.

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