Sierra Wireless AirLink RV50 Series, Hardware User'S Manual, Page: 28 / 78

AirLink RV50 Series Hardware User Guide
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A Windows driver must be installed on the PC in order to support USB use. The
drivers are available for download on Sierra Wireless’ support web site,
http://
www.sierrawireless.com/en/Support/Downloads.aspx .
The ALEOS Software Configuration User Guide contains the details of USB mode
configuration and driver installation.
Sierra Wireless recommends you:
• Use a USB 2.0 cable
• Connect directly to your computer for best throughput.
Ethernet Port
• 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
Serial Port
• 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.
• 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
Figure 3-3: DB-9 Female Serial Connector
Table 3-2: Serial Connector Pin-out
Name Pin Description Type
DCD 1 Data Carrier Detect OUT
TXD 2 Transmit Data OUT
RXD 3 Receive Data IN
DTR 4 Data Terminal Ready IN
GND 5 Main GND. Connected internally to BOARD GND GND
5 4 3 2 1
9 8 7 6