NOAA 12 CCS Subsystem Summary

Component	Description	Status
CIU	Controls Interface Unit
CPC1	Controls Power Converter 1	Green
CPC2	Controls Power Converter 2	Green
CPU 1	Central Processing Unit 1	Green
CPU 2	Central Processing Unit 2	Green
CXU	CIU Annex	Green
GRD1	GSTDN Receiver/demodulator #1	Green
GRD2	GSTDN Receiver/demodulator #2	Green
RXO 1	Primary Redundant Crystal Oscillator	Green
RXO 2	Backup Redundant Crystal Oscillator	Green
SCU	Signal conditional unit	Green

Subsystem History:

Date	Time	Component	Description
08/10/2007	17:12:00	CIU	Opens hardware CAP
08/10/2007	17:12:00		Deactivates NOAA-12
07/30/2004	15:21:00	CIU	Close CIU Hardware CAP (UVTRIP Recovery operation)
12/10/2003	12:01:00	CPU 2	Initiate +6.5 mSec daily clock correction to compensate for drift.
10/17/2003	17:40:00	CPU 2	Add 1000 msec to spacecraft command clock control side.
10/17/2003	17:40:00	CPU 2	Verify stored command table restarts at correct location
10/01/2003	17:30:00	CPU 2	Disabled yaw updates to both CPUs
09/24/2003	21:40:00	CPU 1	Dumps word in location 12E9
05/14/1991	15:26:00	RXO 1	On Orbit
05/14/1991	15:26:00	RXO 2	On Orbit
05/14/1991	15:26:00	CIU	On Orbit
05/14/1991	15:26:00	CPU 1	On Orbit
05/14/1991	15:26:00	CPU 2	On Orbit
05/14/1991	15:26:00	CXU	On Orbit
05/14/1991	15:26:00	SCU	On Orbit