The products described in this manual can fail in a variety of modes due to misuse, age, or malfunction and is not
designed or intended for used in systems requiring fail-safe performance, including life safety systems. Systems
with the products must be designed to prevent personal injury and property damage during product operation
and in the event of product failure.
Warning! Verify power is OFF before connecting or disconnecting the interface or RF cables.
Warranty Information
FreeWave Technologies, Inc. warrants the FreeWave® ZumLink Z9-PC or Z9-PC-SR001 (Product) that you have
purchased against defects in materials and manufacturing for a period of two years from the date of shipment,
depending on model number. In the event of a Product failure due to materials or workmanship, FreeWave will,
at its discretion, repair or replace the Product. For evaluation of Warranty coverage, return the Product to
FreeWave upon receiving a Return Material Authorization (RMA). The replacement product will remain under
warranty for 90 days or the remainder of the original product warranty period, whichever is longer.
IN NO EVENT WILL FREEWAVE TECHNOLOGIES, INC., ITS SUPPLIERS, OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES ARISING
FROM THE USE OF OR INABILITY TO USE THIS PRODUCT. THIS INCLUDES BUSINESS INTERRUPTION, LOSS OF BUSINESS
INFORMATION, INABILITY TO ACCESS OR SEND COMMUNICATION OR DATA, PERSONAL INJURY OR DAMAGE, OR OTHER LOSS
WHICH MAY ARISE FROM THE USE OF THIS PRODUCT. THE WARRANTY IS EXCLUSIVE AND ALL OTHER WARRANTIES EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE
ARE EXPRESSLY DISCLAIMED.
FreeWave’s Warranty does not apply in the following circumstances:
1. If Product repair, adjustments, or parts replacements are required due to accident, neglect, or undue
physical, electrical, or electromagnetic stress.
2. If Product is used outside of FreeWave specifications as stated in the Product's data sheet.
3. If Product has been modified, repaired, or altered by Customer unless FreeWave specifically authorized
such alterations in each instance in writing. Where applicable, this includes the addition of conformal
coating.
Warning! The Z9-PC / Z9-PC-SR001 are sold as a multi-board solution, assembled at the FreeWave
factory. Any alteration, including the separation of the individual boards, voids the FreeWave
warranty.
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
Z9-PC / Z9-PC-SR001
User & Reference Manual
1. Overview
Thank you for purchasing the FreeWave Z9-PC / Z9-PC-SR001.
ZumLink is the latest generation of radios offered by FreeWave and consists of enclosed and
board level radios.
l Z9-PC is a board level 900MHz OEM Ethernet radio module.
l Z9-PC-SR001 is a board level 900MHz OEM Ethernet radio module with an RJ-45
Ethernet connector.
The Z9-PC or Z9-PC-SR001 are radio modules ideally suited for OEM applications where it will
be embedded in the OEM product. It is built with the smallest possible footprint and with minimal
industry standard physical connectivity. The intent is for the user to design their own custom
interface to the radio module.
The interface board in the Z9-PC-DEVKIT is not intended to be used in the field. Rather it is a
temporary mechanism to allow a user to evaluate the radio modules without needing to first
design their own interface. If the user desires a ZumLink Ethernet product that has industry
standard connectivity built-in, models Z9-P or Z9-PE should be considered.
The Z9-PC / Z9-PC-SR001 900MHz Series:
l Operates in the unlicensed 900MHz ISM band (902-928 MHz).
l Provides a maximum of 30dBm transmit output power.
l Is FCC compliant as both a Frequency Hopping Spread Spectrum (FHSS) and a Digital
Modulating (DM) radio.
l Provides ZumIQ, a Linux-based application environment for the deployment of applications
at the edge
l Has one Ethernet port, two serial ports, and one micro USB port.
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
1. Overview
Z9-PC / Z9-PC-SR001
User & Reference Manual
Note: The frequency hopping capability is available at all bandwidths and the single channel (DM)
operation is available for bandwidths of at least 500 kHz.
1.1. Communication Method
ZumLink uses Listen Before Talk (LBT) and Carrier Sense Multiple Access (CSMA) where there
are no assigned slots. The radios transmit when the channel is clear.
l The Gateway broadcasts packets to all Endpoints within range.
l The Endpoints unicast packets back to the Gateway.
l The Gateway acknowledges the Endpoint packets.
FreeWave’s traditional protocol has a Gateway Time Slot and an Endpoint Time Slot within a
frame.
l The Gateway transmits in its slot and listens in the Endpoint slot.
l The Endpoint transmits its slot and listens in the Gateway slot.
1.2. ZumBoost Technology
ZumLink incorporates ZumBoost technology using four performance-enhancing algorithms used
together or independently to improve throughput in the most demanding RF environments:
1.2.1. Adaptive Spectrum Learning
l Learns which RF signals are part of the ZumLink network and which are not, reducing bad
packets and retransmissions.
l Standard on all ZumLink radios, the "Listen Before Talk" algorithm provides spectrum
monitoring, delivering network intelligence and increasing throughputs in noisy
environments.
1.2.2. Forward Error Correction
l The fecRate (on page 204) increases the reliability of the data transferred over the air at the
cost of some transmission throughput.
l Improves sensitivity by 3dB to maximize range and link range in noisy environments.
l Adds redundant information to a data stream to detect packet errors and corrects them to
avoid retransmission of the packet.
1.2.3. Packet Aggregation
l The aggregateEnabled (on page 202) setting increases throughput of small packets by
combining multiple packets into a single packet minimizing the number of packets required
for transmission.
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
1. Overview
Z9-PC / Z9-PC-SR001
User & Reference Manual
1.2.4. Packet Compression
l When the compressionEnabled (on page 203) setting is enabled, the outgoing packets are
analyzed and, if the data packet can be compressed, sent compressed to transmit fewer
bits over the air.
1.3. ZumIQ Application Environment
ZumLink provides the ZumIQ Application Environment that allows for the development and
deployment of Linux-based applications onto the radio. The application has access to the same
computing resources as the radio but is in a segregated section of the Z9-PC / Z9-PC-SR001.
Note: Any application using a Linux-compatible language can be housed in ZumIQ.
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
4. Installation
Z9-PC / Z9-PC-SR001
User & Reference Manual
4.1. Power Setup
l The Z9-PC / Z9-PC-SR001 is approved to operate with an input voltage range of +5 to +12
VDC (±10%) that can supply at least 0.8 Amps.
l See the Technical Specifications (on page 412) for additional information.
FREEWAVE Recommends: All input power supply wires should be at least 20AWG wires.
A dedicated and stable power supply line is preferred.
The power supply used MUST provide more current than the amount of current drain listed in the
specifications for the product and voltage. (at least 350 mA at 12V)
Warning! Use electrostatic discharge (ESD) protectors to protect the radio from electric shock
and provide filtered conditioned power with over-voltage protection.
4.2. Installation
1. Install an FCC-approved antenna.
2. Connect the antenna feed line to the ZumLink.
Warning! Only FCC approved antennas may be used. See Approved Antennas (on
page 181).
The antenna must be professionally installed on a fixed, mounted, and permanent
outdoor structure to satisfy RF exposure requirements.
Any antenna placed outdoors must be properly grounded.
Use extreme caution when installing antennas and follow all instructions included with
the antenna.
If installing a directional antenna, preset the antenna’s direction appropriately.
3. Connect the Z9-PC / Z9-PC-SR001 to a power supply.
Note: Power is shared on the Ethernet / Power 10-pin header.
Note: The Z9-PC / Z9-PC-SR001 is approved to operate with an input voltage range of +5 to
+12 VDC (±10%) that can supply at least 0.8 Amps.
FREEWAVE Recommends: All input power supply wires should be at least 20AWG wires.
A dedicated and stable power supply line is preferred.
The power supply used MUST provide more current than the amount of current drain listed in
the specifications for the product and voltage.
The LED lights blink to show startup.
Note: See LEDs (on page 416) for more information.