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Switched USB Expansion Hubs

  • Four 56K V.92 USB modems in a single chassis
  • Easily add USB modems to a PC, server or thin client
  • Combine existing modem lines into a Windows® modem pool
  • Access ISP, fax and dial-up group applications
  • Includes on-board USB hub
How to Buy

The Rapidport/4 four-port USB modem module is a flexible USB based remote access solution for Windows platforms. This external, user-installable solution plugs into an existing USB port of a PC, thin client or server, providing four 56K V.92 modems. Rapidport/4 gives network users access to ISP, fax and other dial-up applications supported by Windows operating systems.

Rapidport/4 is a scalable solution that includes a built-in USB hub, enabling users to daisy-chain up to five Rapidport/4 units for up to 20 modems from a single USB port on a PC or server. The downstream USB port may be used to connect and power any 500 mA USB peripheral device, including Edgeport® USB-to-serial converters for instant I/O expansion.

Feature-rich design, extensive operating system support and reliable performance make Rapidport/4 ideal for mission-critical enterprise applications.


Specifications Rapidport/4
Modem Features
Ports 4 x 56K modems with RJ-11 connectors
Modem Standards Data: 56K V.92, V.90 and enhanced V.34
Error correction: V.42
Data compression: MNP® Class 5; V.42bis
Fax: V.17, Group 3, Class 1 and 2
USB Features
Ports On-board USB hub (Type A downstream connector):
Stack and daisy-chain up to 5 Rapidport/4 units; Connect Edgeport USB-to-serial converter for serial device connectivity
Version USB 1.1 and USB 1.0 compatible; backward compatibility for USB 2.0
Cables Includes 1-meter USB cable
General Features
Operating Systems Linux® support in kernel, Windows® 7, Windows® 8, Windows Server® 2008, Windows XP®, Windows® XP Embedded, Windows CE, Windows Server® 2003, Windows® 2000, Windows® 10, Windows® 2012
LEDs Front panel LEDs display modem and hub status
Dimensions (L x W x H) 4.35 in x 7.20 in x 1.03 in (11.05 cm x 18.29 cm x 2.61 cm)
Weight 11.00 oz (311.84 g)
Other No additional IRQ or memory address requirements; Rack-mountable; Plug and Play
Power Requirements
Power Input Ships with plug-mounted 120-230VAC 50-60 Hz at 5VDC @ 3 Amps max
Operating Temperature 0° C to 40° C (32° F to 104° F)
Relative Humidity 0% to 95% (non-condensing)
Safety EN60950, UL 1950, CSA 2.2 No. 950
Emmissions/Immunity CE, FCC Part 15, Class B, EN55022 Class B, EN55024, EN50082-1

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