Laird Controls North America Inc. R3A 사용자 설명서

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09/2003, CATTRON-THEIMEG
 
Radio Frequency (RF) Transceiver. 
 
The RCR 'Gold Box' incorporates the R3HNX Transceiver Board, together with its ‘companion’ RF 
Power Amplifier Board
.  
The R3HNX Transceiver Board is a multi channel, UHF-synthesized RF receiver with a  Liquid 
Crystal  Display (LCD).  Additionally, it has a built in RF transmitter for ‘POLLING
’ data 
transmission. The R3HNX receiver section incorporates a microprocessor and uses Digital Signal 
Processing (DSP) techniques to selectively recover digital messages using CATTRON-THEIMEG
 
protocol.  The receiver section also has LED indicators for: 
  Power ON 
  Carrier Detect (RF signal or carrier is present) 
  VCO Lock (receiver locked on freq.) 
  Data (received message data) 
  Q-sync (synchronization pulse)  
The RF Power Amplifier Board  is a high power RF amplifier that connects between the R3HNX 
Transceiver Board and the Antenna Connector.   An on-board LED indicator shows when trans mitted 
digital RF ‘POLLING
’ data from the R3HNX transmitter is being amplified and sent to the RCT.   
Opening the front door of the RCR enclosure and removing the 'Gold Box' lid will expose the R3HNX 
Transceiver Board
, together with its ‘companion’ RF Power Amplifier Board.   Referring to Figure 
1-7 and Table 1-2 below, transceiver and amplifier board LED indicators  indicate system status and are 
particularly useful when troubleshooting and adjusting the transceiver. 
Information to the User regarding FCC Compliance:
Changes or modifications not expressly approved by the manufacture could void the user's authority to
operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions; (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
RF Exposure Information:
Installation of this RF device requires the antenna to be mounted in a manner that ensures a 36cm
minimum separation distance from the end user(s).