Page 2
The information contained herein is proprietary and is provided solely for the purpose of allowing customers to operate and/or service Intermec manufactured equipment and is not to be released, reproduced, or used for any other purpose without written permission of Intermec.
Page 3
Manual Change Record This page records the changes to this manual. The manual was originally released at -001. Version Date 7/95 Description of Change JANUS 2050 information added.
Contents Overview of an RF System 7 Setting Up RF Communications 8 Attaching the Antenna 8 Configuring the RF Parameters 10 Unloading and Loading the RF Protocol Handler 12 Using RF Communications 13 Understanding the RF Status Icons and LEDs 13 Managing Your J2010 and JR2020 Battery Power 14 Troubleshooting Your J2010 and Your JR2020 15 Troubleshooting Your J2050 16...
If your controller has a 900 MHz RF ISA card installed, you can transmit directly to it. For help in learning about RF systems, refer to your controller user’s manual. JANUS 900 MHz Radio Frquency Quick Reference Guide 9183 Repeater...
JANUS 900 MHz Radio Frequency Quick Reference Guide Setting Up RF Communications Before you can use RF communications on the JANUS RF device, you need to do the following: Attach the antenna to the J2010 with an RF back, JR2020, or J2050.
Page 7
JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont Attaching the J2010 Antenna 20X0Q.002 Attaching the J2050 Antenna 2050U.009...
Configuring the RF Parameters The RF configuration parameters define radio communications between the JANUS RF device and the Intermec RF data collection system. Note: The software version of your 9180 network controller can affect which RF configuration parameters you set. Refer to the next section, “About Your Controller Software Version.”...
Page 9
If the 9180 controller is running software version 1.3 or earlier Parameter on JANUS RF device Device Address Channel Select Network ID RFNC Address Repeat Count JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont Default Setting 100% 1 second Disabled Channel search disabled 0 repeaters...
JANUS 900 MHz Radio Frequency Quick Reference Guide If the 9180 controller is running software version 2.0 or you have a 9185 controller Parameter on JANUS RF device Device Address Channel Select Network ID Note: The Channel Allow parameter must be set if you are going to be communicating on more than one frequency by using the channel search feature.
JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont Using RF Communications For RF communications, use the Communications Manager, IRL Desktop, or an application created using the software libraries provided in the Programmer’s Software Kit Language Libraries. For help in learning about the language libraries, refer to your JANUS PSK reference manual.
JANUS 900 MHz Radio Frequency Quick Reference Guide Connected This icon contains an asterisk. The icon or LED flashes when the RF interface is either actively channel searching or trying to reestablish communications with the network controller. When this icon or LED is solid, the RF interface is connected to a network controller.
IC.EXE. You load the RF protocol handler and do not receive the message Intermec RF Protocol Handler. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont Solution The reader is not recognizing the RF interface. Contact your Intermec service representative.
JANUS 900 MHz Radio Frequency Quick Reference Guide Troubleshooting Your J2010 and Your JR2020 (continued) Problem The Battery icon at the top of the reader turns on. RF communications appear to be locked up and the Connect icon turns off.
JANUS RF device over the RF link: Acknowledgment Delay Duty Cycle Percent Duty Cycle Period JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont Solution There are three possible solutions: Make sure you are within range of a radio repeater or base radio unit.
JANUS 900 MHz Radio Frequency Quick Reference Guide Repeat Count Retry Limit The commands must include the prefix ..$+. For example, to set the Duty Cycle Percent parameter to 50%, you would send the command string: ..$+RY5 Using the Interactive Configuration Application...
5. For example, to have a duty cycle of 200 ms, scan 40. If you scan zero, the acknowledgment delay has a default delay of 100 ms. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont...
JANUS 900 MHz Radio Frequency Quick Reference Guide Scan: 1. Scan this bar code: Enter Accumulate Mode / ACK Delay *+/$+RM* *+/$+RM* 2. Scan a numeric value for data from these bar codes: 3. Scan this bar code: Exit Accumulate Mode...
924 MHz 921 MHz 918 MHz 915 MHz 912 MHz 909 MHz 906 MHz Acceptable values for data are: The channel is excluded from any search pattern. The channel is searched. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont...
JANUS 900 MHz Radio Frequency Quick Reference Guide Scan: 1. Scan this bar code: Enter Accumulate Mode / Channel Allow *+/$+R* *+/$+R* 2. Scan a numeric value (0 to 6) for channel from these bar codes: 3. Scan a 0 or 1 for data from these bar codes: 4.
Note: If a JANUS RF device is going to communicate with more than one network controller, it must be assigned the same Device Address on each network controller. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont 912 MHz...
Page 22
JANUS 900 MHz Radio Frequency Quick Reference Guide Default: 0 (turned off) Note: Once the Device Address parameter is set, you can only set the address to the default value (0) by loading the default configuration in IC.EXE. For help setting the JANUS RF device to the default configuration, see your JANUS user’s manual.
JANUS 900 MHz Radio Frequency Quick Reference Guide Duty Cycle Percent Note: You can set this parameter in IC.EXE by choosing Acknowledgment Delay and then choosing Next. Purpose: Defines how long the RF interface is powered on compared to how long it is in standby.
Acceptable values for data are 0 through 100 (100 ms to 10 seconds). Note: If you are using IC.EXE, simply enter the number of milliseconds you want for the duty cycle period. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont...
Page 26
JANUS 900 MHz Radio Frequency Quick Reference Guide To calculate the correct value for data, divide the number of milliseconds you want for the duty cycle period by 100. For example, to have a duty cycle of 200 ms, scan 2.
Note: If your 9180 controller has version 1.3 or earlier software, set the network ID to 0 and set the RFNC Address and Repeat Count parameters. JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont...
Page 28
JANUS 900 MHz Radio Frequency Quick Reference Guide For help on selecting the frequencies the JANUS RF device can search for, see the Channel Allow parameter. Default: Channel search disabled Syntax: RWdata Acceptable values for data are: 1 to 254 Scan: 1.
JANUS 900 MHz Radio Frequency Quick Reference Guide Repeat Count 4 *$+RU4* *$+RU4* Repeat Count 5 *$+RU5* *$+RU5* Repeat Count 6 *$+RU6* *$+RU6* Repeat Count 7 *$+RU7* *$+RU7* Retry Limit Note: You can set this parameter in IC.EXE by choosing Acknowledgment Delay and then choosing Next.
*-/* RF Protocol Purpose: Enables RF communications between the JANUS RF device and the controller. Enabled Default: Syntax: RFdata Acceptable values for data are 0 and 1, corresponding to: Disable Enable JANUS 900 MHz Radio Frquency Quick Reference Guide Nuggetfont...
JANUS 900 MHz Radio Frequency Quick Reference Guide Scan: One of these labels: RF Protocol Disable *$+RF0* *$+RF0* RF Protocol Enable *$+RF1* *$+RF1* RFNC Address Note: You can set this parameter in IC.EXE by choosing Network ID, setting Network ID=0, and choosing Next.
Page 33
JANUS 900 MHz Radio Frquency Quick Reference Guide 2. Scan a numeric value for data from these bar codes: 3. Scan this bar code: Exit Accumulate Mode *-/* *-/* The value for data should correspond to the address set on the network controller.
Page 36
Acknowledgment Delay, 17, 18, 19 address device, 23 RFNC, 34 antenna, 8–10 attaching, 8 base radio unit, in an RF system, 7 battery Duty Cycle Percent, 26 Duty Cycle Period, 27 maximizing life, 14 using duty cycle, 15 Battery icon using for troubleshooting, 16 Broadcast Receipt, 18, 20 BRU, See base radio unit...
Page 37
JANUS 900 MHz Radio Frequency Quick Reference Guide radio frequency setting for channel search, 21 setting the base frequency, 22 radio repeater in an RF system, 7 setting Repeat Count, 31 reader default configuration, 10 readers, See also JANUS RF devices...
Need help?
Do you have a question about the Janus 900 and is the answer not in the manual?
Questions and answers