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Rapidport offers an easy solution for remote access via Plug-and-Play USB connectivity. This external, user-
installable solution plugs into the USB port of a PC, thin client or server and provides four 56K V.90 modems.
EdgeUSB technology, shipping with Rapidport since 1998, adds Plug-and-Play USB compatibility to Microsoft
Windows NT and Windows NT Embedded system users. The Rapidport gives network users access to Internet
Service Providers (ISP), fax, and other group dial-up applications supported by Windows NT RAS.
Rapidport is a scalable solution – its onboard USB port enables additional units to be stacked and daisy-chained as
modem requirements increase. The downstream port may be used to connect and power any 500mA USB peripheral
device, including Edgeport USB-to-serial converters for instant I/O expansion. Its feature-rich design, extensive
operating system support and reliable performance make Rapidport/4 ideal for mission critical enterprise
applications.
To connect the cables included with your Rapidport:
1) Connect one end of the power supply* into the back of your Rapidport and the other end into an AC outlet.
2) Connect one end of the phone cord** to Port 1 on the back of the Rapidport and the other end to an analog
phone jack. Repeat for up to four connections (Ports 1-4).
CAUTION: To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
3a) For a downstream connection, plug the Type A end of the USB cable into the USB port located in the back of
your PC or into an available USB port on a standard hub or into a Digi International Hubport. Plug the Type B
end of the USB cable into the back of the Rapidport.
3b) For an upstream connection, plug the Type A end of the USB cable into Rapidport's USB Type A slot and
the Type B end of the USB cable into the upstream device (e.g. a Hubport or another Rapidport).
The cabling diagrams on page 10 show both Type A and Type B plugs and receptacles.
To install the necessary drivers, go to the ―Installing Rapidport Drivers‖ section, which starts on this page.
*Power to this product may be supplied by a UL Listed Direct Plug-In Power Unit marked ―Class 2‖ with a
minimum rating of 5 V dc, 2.1 A if used in the U.S. and Canada or a power supply with similar rating and approved
by your local safety code if it is used elsewhere. For polarity, use the following:
**Safety Warning: 1) Never install telephone wiring during a lightning storm. 2) Never install telephone jacks in
wet locations unless the jack is specifically designed for wet locations. 3) This product is to be used with UL and
cUL listed computers. 4) Never touch uninsulated telephone wires or terminals unless the telephone line has been
disconnected at the network interface. 5) Use caution when installing or modifying telephone lines. 6) Avoid using a
telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electrical shock from
lightning. 7) Do not use the telephone to report a gas leak in the vicinity of the leak.
Rapidport
Cabling Rapidport
Rapidport Installation Guide (90000665 Rev. C) – Page 1
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