Chapter 2: Installing and Connecting Speedway/Revolution
Copyright © 2009, Impinj, Inc. 8
Step 2: Connect the Antenna(s) to the Speedway/R
Reader
Depending on the Speedway/R model you are installing, the reader has either two antenna
ports (Speedway R220) or four antenna ports (Speedway R420). Each port is independent,
bidirectional, and full duplex TX/RX (monostatic). It is recommended that you connect
the antenna(s) before powering on the reader.
Warning:
You must use Impinj-approved antennas with Speedway/R. See “Appendix A: Informa-
tion Specific to Regions of Operation” on page 19 for a detailed list of approved vendors.
Using any other antenna may damage the reader or adversely affect performance. Speed-
way/R requires professional installation to correctly set the TX power for the RF cable and
antenna selected.
To connect the antenna(s) to Speedway/R:
1. Position each reader antenna, keeping the following points in mind:
• Position the antenna(s) to achieve the most effective and efficient tag reads. For
details on the best layouts for various environments, see the Impinj System Design
Guide.
• Position the antenna(s) to maximize operator safety. Personnel who will be in the
area for prolonged periods of time should be able to remain at a safe distance at all
times. See “Appendix A: Information Specific to Regions of Operation” on
page 19 for the specific requirements for your regularity region.
2. Mount the antenna(s) according to the instructions provided by the antenna manufac-
turer.
3. Attach the antenna cable(s) to the antenna port(s) on the reader. You can choose any
port for any antenna.
4. Finger tighten the connection, making sure it is secure. A loose connection negatively
impacts the performance of the antenna.
Caution:
Impinj has designed its antenna ports to be self-terminating. Therefore, it is important that
you do not terminate unused antenna ports. Leave them unconnected.
Step 3: Connect Speedway/R to the Network
You are now ready to connect the installed Speedway/R to your network. You have two
options:
• If your network supports DHCP, you can connect the reader directly to your Ethernet
network and, once the reader is powered, immediately communicate with it via Telnet
(TCP/IP).
• If your network does not support DHCP you will need to connect a PC directly to the
reader using a serial connection (RS-232), then use the reader’s Rshell command line
interface to configure a static IP address for the reader. At that point you will be able
to connect the reader to your Ethernet network.
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