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AirLink RV55 Hardware User Guide
USB Port
Warning:
The USB port complies with USB Version 2.0 for high speed operation and can be
configured to operate in one of two modes:
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A Windows driver must be installed on the PC in order to support USB virtual serial port
mode. You can download the drivers from
source.sierrawireless.com/resources/airlink/software_downloads/airlink_usb_driver/
For information about setting the USB mode and installing the USB driver, see the ALEOS
Software Configuration User Guide.
Sierra Wireless recommends you:
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Ethernet Port
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Serial Port
The RV55 9-pin serial port connects directly to most computers or other devices with a
standard serial straight-through cable.
Note: If you have a DCE device, you need to use a null modem (cross-over) cable.
The same serial port can be configured as a dual 4-wire serial port, and connect to
devices with a Y cable (Sierra Wireless part number 6001238). The Dual Port Mode
setting is available in ACEmanager under Serial > RS232 Configuration > General.
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Rev. 1 June 2019
Do not use the USB port in a potentially explosive environment.
Virtual Ethernet Port: The RV55 behaves as if the PC were connected to an
Ethernet port, allowing access to the Internet and the router's internal web server.
This is the default setting.
Virtual Serial Port: The RV55 behaves as if it was connected to a standard serial
port. The primary use of this interface is for the AT command line interface of ALEOS
and for diagnostic access to the radio module.
Use a USB 2.0 cable
Connect directly to your computer for best throughput.
IEEE 802.3 Ethernet specification for 1000 Mbps speed (Gigabit Ethernet) with
fallback to 100 or 10 Mbps (Cat 5e or Cat 6 cable is required for Gigabit Ethernet)
Auto-crossover support
Auto-negotiation detects the speed of the connecting device for 1000 baseT,
100 baseT, or 10 baseT
Used for connecting serial devices and configuration
Complies with the EIA RS-232D specification for DCE equipment
Output driver levels swing from -7 VDC to +7 VDC with normal loading
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