Gaia
GAIA.ASU.SP.ESM.00007
Issue 2.00
Page 62 of 79
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whole or in part be reproduced, copied, or communicated to any person without written permission from the owner.
GAIA.ASU.SP.ESM.00007 (Avionics SCOE Req Iss 2).doc
3.10 Avionics SCOE Cable Requirements
AVI-2155/CREATED/T
All interfaces external to the Avionics SCOE (Spacecraft Interfaces, EGSE Interfaces) shall be
provisioned to an interface panel located at the rear (bottom) of the SCOE equipment rack.
AVI-2162/CREATED/R
Suitable interface cables shall be provided to connect the Avionics SCOE to the external EGSE and
Spacecraft Interfaces.
AVI-2161/GSE-SYS-412/T,I
With the exception of the Power Simulation interfaces (Section 3.6.1) connection to the Spacecraft
Interfaces shall be provided by a set of cables, 20m in length, to a dedicated Spacecraft Interface
bracket using Amphenol type lockable connectors.
Note: These cables are shown as green in Figure 1.4-1, and are identified as 'EGSE Supplier
Furnished Cables', marked "DR06*" for the Avionics SCOE.
AVI-4224/CREATED/T
The cables required for the Power Simulation connections to the Spacecraft harness (PCDU) shall be
provided by a set of cables designed to meet the output impedance and power regulation
requirements on the LCL Simulators (see Section 3.6.1).
AVI-4226/GSE-SYS-412/I,R
All cables provided for connections to the Spacecraft Interface (either directly or indirectly) shall be
manufactured with golded pins/sockets to prevent Spacecraft skin connector contamination.
The ICD for the Avionics SCOE to Spacecraft Interface bracket / Spacecraft Harness cables will be defined
by Astrium following Project KO.
Provision of cables from the Spacecraft Interface bracket to the Spacecraft Harness will be the responsibility
of Astrium Ltd.
Note: These cables are shown as blue in Figure 1.4-1, and are identified as 'Astrium Furnished Cables',
marked "DR16*" for the Avionics SCOE.
AVI-2913/GSE-SYS-412/T
The requirements of the Avionics SCOE to Spacecraft Interfaces shall be verified using cables of no
less than 40m in length (with the exception of Power Simulation). Note: This to verify operation during
Thermal Vacuum testing of the GAIA Spacecraft.
AVI-2157/CREATED/I
Connection to the CCS shall be provided by a single standard LAN Cable of length 15m for
connection to the Gaia EGSE LAN Hub.
AVI-2160/CREATED/I
Connection to the Real Time Network HUB shall be provided by the fibre-optic (COTS) cable supplied
with the selected RTN card.
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