User's Manual
LINKnet™ OFR400 RF MODULES ! USER MANUAL
DCM000000019
Printed: 01.01.20,12:34
Revision Date:1/20/01 6
Frequency Bands See Model Chart
Modulation & Channel Spacing
Narrowband FM
25 or 12.5 KHz as per Model Chart
RF Frequency Stability Tracks Input Signal Exactly
Max. RF Output Power 37 dBm
RF Output Power Range
Power can be reduced 20 dB in 1 dB Steps
(AGC Controlled)
RF Output Power Variation vs. Input
(over -90 to -30 dBm)
+/- 1 dB
Input Dynamic Range -110 to -30 dBm
Input Sensitivity Adjust Range -110 to -50 dBm
Input Hysteresis 1 to 10 dB
Adjacent Channel Selectivity 60 dB Minimum
Transmit Duty Cycle Continuous
Transmit Spurious -13 dBm max
Receive Conducted Spurious -57 dBm Max
Maximum Gain 140 dB
Audio Distortion & Noise <4% Increase
Transmit Key-Up & Key-Down Times <2 mS Key-Up, <1 mS Key-Down
Group Delay
<120 uS for 25 KHz,
<160 uS for 12.5 KHz
RF Connectors
SMA (50Ω) Connectors on back of Card-Cage
Module Power Supply Requirements 45 Watts Maximum
Connections
Edge Connector & 2 Blind-Mate RF Connectors to
Card-Cage, DB-15 Connector on back of Card-
Cage provides per-Module Fault Relay,
Interconnect to other Modules, & RS-232
Connection
Front Panel Indicators
Operating, Stand by, Fault, Program Mode,
Receive, Transmit
Configuration Options
RF Modules may be configured either via the
optional Controller Module, or via a PC and an
RS-232 Connection via the Card-Cage.
Operating Temperature Range
-10 to +50
o
C; Consult Kaval for installation specific
forced-air cooling requirements
Operating Humidity Range 10 to 90% RH, Non-Condensing
Size & Weight
9.11” High, 2.00” Wide, 14.00” Deep,
10 lbs, 4.5 kg Max
Module Specifications