January 2016 Page 2–3
Chapter 2. Product Description
2
ON/OFF Applications
Wide Band Directional Comparison Relaying 4000 Hz
Narrow Band Directional Comparison Relaying 2000 Hz
Extreme Wide Band Phase Comparison Relaying 4000 Hz
FSK Applications
Narrow Band: Directional Comparison or DTT 1 way 500 Hz
Narrow Band Directional Comparison or DTT 2 way 1000 Hz*
Wide Band Directional Comparison or DTT 1 way 1000 Hz
Wide Band Directional Comparison or DTT 2 way 2000 Hz*
Wide Band Dual Comparator Phase Comp. 1 way 1500 Hz
Wide Band (50/60Hz sq wave keying) 2 way 3000 Hz*
Wide Band Segregated Phase Comparison 1 way 2000 Hz
Wide Band (50/60Hz sq wave keying) 2 way 4000 Hz*
Extra Wide Band: Directional Comparison or DTT 1 way 2000 Hz
Extra Wide Band Directional Comparison or DTT 2 way 4000 Hz*
Extra Wide Band Dual Comparator Phase Comp. 1 way 1500 Hz
Extra Wide Band (50/60Hz sq wave keying) 2 way 3000 Hz*
Extra Wide Band Segregated Phase Comparison 1 way 2000 Hz
Extra Wide Band (50/60Hz sq wave keying) 2 way 4000 Hz*
Table 2–6. Minimum Frequency Spacing
Specifications Notes:
*An external hybrid or other device offering at least 20 dB rejection of the adjacent channel must be used in the application.
1 way represents transmitter to transmitter or receiver to receiver
2 way represents transmitter to receiver
Table 2–7. Nominal Receiver Bandwidths & Corresponding Channel Delay*
*NOTE: Channel times
are nominal values with a
15 dB RX Margin on a
back-to-back system.
Times are for solid state
outputs and do not
include logic trip delay or
relay output operation
times.
Mode Receiver Bandwidth Channel Delay
ON/OFF Narrow Band 600 Hz 2.8 ms
Wide Band 1200 Hz 2.1 ms
Extra Wide Band 4000 Hz 1.5 ms
FSK Narrow Band 300 Hz 7 ms
Wide Band 600 Hz 6.5 ms
Extra Wide Band 1200 Hz 4.8 ms
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