Safran CORTEX CRT Quantum - Page 56

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec. 03, 2021Sept.
30, 2021
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Page 31
1.6.6. Satellite Commanding (High Bandwidth Mode)
 Supported commands Clear TC message transmission
Pause instruction, Grouped instructions
TC message transmission at programmed time
Last radiation time request
Idle pattern generation
 PCM coding as per LBW mode
 Convolutional coding Yes
 Modulation BPSK or no sub-carrier (direct PCM on the carrier)
 Bit rate 100 bps to 1 Mbps (direct PCM on the carrier)
100 bps to 250 kbps (PCM on a sub-carrier)
 Sub-carrier frequency 5 kHz to 2 MHz
 Idle pattern as per LBW mode
 Preamble length as per LBW mode
 Preamble length as per LBW mode
 Pause duration as per LBW mode
 Local TC capability as per LBW mode.
The following restrictions apply to the capabilities of the High Bandwidth TCU:
 TC Scrambling is not supported
 FSK modulation at baseband is not supported
 Execute instruction is not supported
 Data+Execute request is not supported