Ground
Support Equipment - ICM 3-Bay Racks
The
STB, JTB, and EAGE/ELSE 3-Bay Racks are non-flight elements of the Interim Control
Module (ICM) for the International Space Station (ISS). The STB, JTB, and EAGE/ELSE
3-Bay Racks house the command, communications and control system, the attitude
orbit simulator, and all hardware necessary to connect to the ICM Spacecraft
Controller (ISC) Test Rack. Together with the ICS Test Rack, these bays provide
an environment to fully integrate, test, validate, and verify the functional
requirements of the ICM Flight Software. The STB, JTB, and EAGE/ELSE 3-Bay Racks
also provide an environment for training personnel who will be interacting with
the ICM Flight Software by providing a high fidelity simulation of the Interim
Control Module. The EAGE 3-Bay Rack shall be used as part of the ELSE system
at KSC to remotely interface with the ELSE 2-Bay Rack which shall be located
at the pad.
The
Integration and Test (I&T) VME Chassis
The I&T Chassis was developed to support Command, Control, and Communication
functions. The chassis resides in bay 1 of the STB, JTB, and EAGE/ELSE 3-Bay
Racks.
The Attitude Sensor Simulator (ACS SIM) VME Chassis
The ACS SIM was developed to simulate two star tracker cameras and three inertial
measurement units. The digital input reads the ACS thruster fire word from each
ISC, and the digital output simulates FPSSS data. The chassis resides in bay
3 of the STB, JTB, and EAGE/ELSE 3-Bay Racks.
ELSE 3-Bay Rack
During launch operations at Kennedy Space Center (KSC), the EAGE 3-Bay Rack
converts from an integration and test component, to the launch support component
known as the ELSE 3-Bay Rack. The ELSE 3-Bay Rack is used at the Vertical Processing
Facility (VPF) test cell during post shipment tests and at the VPF-VPPSF for
CITE tests to test and verifying the KSC T-0 umbilical. During launch operations
the ELSE 3-Bay Rack is used as an interface to monitor the health and status
of the ICM spacecraft prior to launch via remote interface with the ELSE 2-Bay
Rack residing at the Orbiter launch pad.
Performs
post-shipment tests
Monitor health and status of ICM prior to launch
Interactive command capability
Distribute ICM telemetry to Johnson Space Center (JSC) in Houston, Texas
Distribute ICM telemetry to NRL Engineering Node (NEN) at the NRL in Washington,
D.C.
Accept formatted commands from JSC and forward to the ICM spacecraft
Interface to remote ELSE 2-Bay Rack at the Orbiter launch pad
- Software Test Bed (STB)
- Johnson Space Center Test Bed (JTB)
- EAGE / ELSE 3-Bay Rack
Capabilities
and Functions
