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O F R 4 0 0 R F M O D U L E S
O F R 4 0 0 R F M O D U L E S
O F R 4 0 0 R F M O D U L E S
O F R 4 0 0 R F M O D U L E S
U S E R M A N U A L
U S E R M A N U A L
U S E R M A N U A L
U S E R M A N U A L
I N S T A L L A T I O N , O P E R A T I O N
I N S T A L L A T I O N , O P E R A T I O N
I N S T A L L A T I O N , O P E R A T I O N
I N S T A L L A T I O N , O P E R A T I O N
A N D M A I N T E N A N C E
A N D M A I N T E N A N C E
A N D M A I N T E N A N C E
A N D M A I N T E N A N C E
L I N K n e t
n e t ™ ™ ™ ™
n e t
n e t
L I N K
L I N K
L I N K
KAVAL TELECOM INC.
60 Gough Road
Markham, Ontario
Telephone: (888) 86-KAVAL
Web: www.kaval.com
E-mail: info@kaval.com
Document #DCM000000019, Rev.0
L3R 8X7
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Related Manuals for Kaval LINKnet OFR400 Series
Summary of Contents for Kaval LINKnet OFR400 Series
- Page 1 A N D M A I N T E N A N C E A N D M A I N T E N A N C E A N D M A I N T E N A N C E KAVAL TELECOM INC. 60 Gough Road Markham, Ontario...
- Page 2 KAVAL TELECOM INC., is strictly prohibited. KAVAL TELECOM INC. provides this document as is, without any warranty of any kind either expressed or implied including, but not limited to, the implied warranties of merchantability and fitness of a particular purpose.
- Page 3 This manual makes reference to trademarks that are the property of other companies. References are used only to refer to the products or services of the trademark owners. LINKnet™ is a trademark of KAVAL TELECOM INC. Printed: 2000-04-11 13:13:34 Revision Date: 4/11/00:...
- Page 4 LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 T A B L E T A B L E T A B L E T A B L E C O N T E N T S C O N T E N T S C O N T E N T S C O N T E N T S OFR400 MODULES........
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Page 5: Ofr400 Modules
LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 O F R 4 0 0 M O D U L E S Overview Theory Of Operation An OFR, or On Frequency Repeater, is a radio repeater that simultaneously receives and transmits a single narrow band radio channel on exactly the same frequency. -
Page 6: B Lock Diagram
LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 Block diagram OFR400 RF Module Transmit Board RF Output 403-512 MHz Gain Control IF Board Blind-Mate to SMA RF Connector First IF Buffers, Filters, and Filter Linear Power Amplifier 2'nd Local Gain First Local Test Oscillator... -
Page 7: M Odule S Pecifications
LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 Module Specifications SPECIFICATION Frequency Bands 403-512 MHz in 5 Bands Channel Spacing 25 or 12.5 KHz Modulation Types Narrowband FM RF Frequency Stability Tracks Input Signal Exactly Adjacent Channel Selectivity 60 dB Minimum Max. -
Page 8: O Peration
Platform, it is possible to re-configure the OFR400 module in the field. For further information on the modification software and the PC adapter, contact KAVAL TELECOM INC. by E-mail: info@kaval.com Default values may be changed when an order is placed. Check your order confirmation (shipped with modules) for customized values. -
Page 9: Power On Self Test (Post)
• If there is a fault, then the Red Fault LED will remain on. If this occurs, contact your KAVAL TELECOM INC. Service Representative, (See Warranty / RMA Procedures). The Power On Self Test is Not an RF test, it only verifies that there is power to the unit and that the logical circuitry is functioning. -
Page 10: Normal Operation
LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 Normal Operation The OFR400 Module has six LED’s on the faceplate: 1. OPERATING - Under normal operating conditions, this LED will flash GREEN when RF Data is present. 2. STAND BY – Under the control of the Controller Module, the OFR400 Module has the ability to act as a duplex transmitter, sitting perpetually in Stand by Mode waiting for the primary transmitter to fail. -
Page 11: Ofr Drawing (Sides And Top)
LINKnet™ OFR400 RF MODULES ! USER MANUAL DCM000000019 OFR Drawing (Sides and Top) OFR400 Module Revision Date:4/11/00 Printed: 00.04.11,13:13... - Page 12 This is shown in the figure in the Introduction. The Indoor Antennae are simple 1/4 Wavelength (0 dB Gain) types. They are used with KAVAL TELECOM INC. 12, 16, or 20 dB Cable Taps. As such the maximum EIRP will be at the first Tapped Antenna, which will be 12 dB below the maximum signal level of the LINKnet™...