F. Clara, M. Pirello, R. Schofield

We systematically verified the cabling from the VEA to the Electronics racks of all 7 accelerometers currently in service.  We replaced channel 5 on the new Accelerometer Power Conditioner for further testing, the new channel 5 is performing correclty.  Then we went through and tested the accelerometers vs the signals in NDSCOPE / DIAGGUI.  We found a fault in the EY_EBAY_Z cable and replaced it.  We corrected the cabling to match the system drawing D1300773 , while verifying the signals, we found an unlabeled cable that was not documented.  We determined that this cable was patch done before O4 to fix a bad accelerometer cable on BSC10_X, this cable was routed correclty and is now documented.  Final complete order of the cabling is as follows:

SignalName <= ADC# <= CBL# <= SLOT# <= AccelerometerName(path)
EY_OPLEV_X <= ADC7 <= CBL1 <= SLOT1 <= EY_OPLEV_X
EY_BSC10_X <= ADC8 <= CBL2 <= SLOT2 <= Black Patch Cable <= Patch Panel #3<= White Accelerometer Cable <= EY_BSC10_X
EY_BSC10_Y <= ADC9 <= CBL3 <= SLOT3 <= EY_BSC10_Y
EY_BSC10_Z <= ADC10 <= CBL4 <= SLOT4 <= EY_BSC10_Z
EY_TABLE_X <= ADC11 <= CBL5 <= SLOT5 <= EY_TABLE_X
EY_VEAFLOOR_Z <= ADC12 <= CBL6 <= SLOT6 <= EY_VEA_FLOOR
EY_EBAY_Z <= ADC13 <= CBL7 <= SLOT7 <= EY_EBAY_Z

The patched cable is a temporary solution, a permanent solution should be considered here.