Safran CORTEX CRT Quantum - Video Test Points; Table 14: Interconnection Panel

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
© Safran Data Systems
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
Page 13
2.3.4.1. Video Test Points
The Video test points are fully programmable from the « CONFIG » window (refer to the MCS User’s Manual and
the TCP/IP Interface Specification, Global Table) for monitoring any baseband signal:
Setting
Analog test points (uplink signals)
LVTTL test points
VIDEO 1 & VIDEO 2
Sts
Out
J25
Sts Out
J26
Sts Out J27
Sts Out J28
TCU
TCU : analog output
(FSK, PSK, Execute tone, …)
TCU output : data, clock & transmit status
LBW
CLK
NRZL
PCM
TX (1)
HBW
direct
PCM
CLK
NRZL
I data after
PCM
encoding
Q data after
PCM
encoding
HBW
Video
CLK
NRZL
PCM
Not
available
RAU
RAU : analog output
(range tones or modulated S/C)
RAU output : tone rank & tone ID
FIRST
(2)
TONE
(3)
TONE (3)
TONE (3)
TMS
TMS : analog output (PCM/BPSK)
TMS output : data & clock (if PSK modulation ON)
CLK
NRZL
PCM
IFM-I
IFM : analog input
(for TCU or TMS modulating signal
only)
IFM input : data & clock of modulating signal
(i = 1 or 2)
CLK
NRZL
PCM
(Not significant)
Analog test points (downlink
signals)
VIDEO 1 & VIDEO 2
IFR-i
IFR : analog demodulated output
(i = 1 to 3)
DCU-i
DCU : combiner analog demodulated
output (as selected for Output 1)
(i = 1 to 3)
Table 14: Interconnection Panel. Uplink Video Test Points
Note 1: Active (5 V) during FSK or PSK modulation or transmission of an Execute or pseudo-earth pulse.
Note 2: Set to 5 V at the beginning of the ranging sequence (transmission of first tone). Drops to 0 V at:
 The first measurement performed on the first tone (INMARSAT and LMCO standards) or
 The first measurement on the major tone (ESA, ESA-like, USB, and ESA code standard).