1. TOF & BB FEE Safety Review
Readout electronics for PMT signals through signal cables
Both are crate based electronics with similar design features
Design and constructed in Nevis lab., Columbia University
By Cheng-Yi Chi

2. TOF FEE Locate in the E-ARM/ readout from North and South side
Consist of
8 FEE crates
(16 16 channel FEE cards and 1 crate interface)/crate
One Clock fanout /crate
Calibration unit/ per side
Rack based in PEH
By Cheng-Yi Chi

3. BB FEE Consist of Rack based in PEH 2 FEE crates
16 8 channel FEE cards and 1 crate interface
one Clock fanout/crate
One Calibration unit
Rack based in PEH
By Cheng-Yi Chi

4. BB/TOF FEE data/cable flow
BB/TOF detector
BB use andrew cable
TOF use RG58
For BB only
Timing fiber
clock/Tp
units
patch pannel
arcnet
RG174
RG58 cable
L1 fiber optics for BB
fanout
FEM Modules
Discriminator output
dataway
Ribbon cable
(TOF only)
L1 fiber for TOF
Crate Interface
Arcnet
cable
data fiber to DCM
Crate
By Cheng-Yi Chi

5. TOF & BB FEE crate layout
BB FEM
will be
similar
to TOF
FEM
Air Flow
Front to
Back
clock
fanout
TOF FEE crate layout
BB FEE crate is 1U higher
temperature
sensor
By Cheng-Yi Chi

6. TOF and BB FEE Dataway
Power
Wire
By Cheng-Yi Chi

7. TOF & BB FEE crate Layout Dataway (exampled by TOF Crate) Add
Cooling Fan
(Finger Guard
will be added)
COMAIR/ROTRON
MR2B3
Add
Terminal block
for power
By Cheng-Yi Chi

8. Clock/Test Pulse Fanout Module
Purpose
Fanout clocks/TP to FEM and interface
Input cables
two Lemo cables from calibration units
Output cables
short Lemo cables to FEM and interface card
Fuses on board
By Cheng-Yi Chi

9. Clock Fanout Module Back View Front View Fuse (+5,-5V) Lemo cable
(will be mounted
in Metal Box)
Back View
Front View
Fuse
(+5,-5V)
Lemo cable
RG174
By Cheng-Yi Chi

10. Power Consumption/Fuse
Fuse for all systems is
Pico II very fast acting sub-miniature fuses
251 series
around 70W per BB FEM module
+5VA, -5VA,+5VD,-5VD,+12V
all fused on FEM module
TOF FEM module Power
6V 3.6A, +6.5V 3.6A
By Cheng-Yi Chi

11. BB FEM Main Mother Board with 8 set of Fuses on board Output cable
Discriminator 1, TVC, ADC subassemblies
Discriminator 2, TVC, ADC subassemblies
Pulse delay, QVC, ADC subassemblies
Fuses on board
Output cable
optical cable-- chosen by Phenix as whole
Input cables
PMT signal cables, Discriminator output cables (RG58)
By Cheng-Yi Chi

12. Delay Sub assembly card
Cable delay
discriminator
By Cheng-Yi Chi

13. TOF FEM Board 16 channel of Mother Board with Fused on board
16 discriminator sub-assemblies
Fused on board
Input cable
(signal) RG58, (clock, TP) RG174
Output cable
Twist pair cable to crate interface
By Cheng-Yi Chi

14. TOF FEM PMT signal in (RG58) To crate interface via flat ribbon cable
FUSE
Clock,TP
By Cheng-Yi Chi

15. BB/TOF FEE crate Interface
Input cables
ARCNET --- Decide by Phenix
Short Twist Flat Cable from Calibration unit
2 short flat ribbon cables from TOF FEM
Output Cable
Optical -- Decide by Phenix as whole
Fuse on board
By Cheng-Yi Chi

16. TOF/BB crate interface
to timing
raw
data
and L1
input
from
TOF
FEM To
DCM
ARCNET To
Level 1
By Cheng-Yi Chi

17. TOF FEM- Interface card Level 1 trigger cable
By Cheng-Yi Chi

18. Calibration/Clock unit
assumed to be 1U height
Similar arranged as clock fanout unit
on board fuse
output cables
lemo cables, 4
Input cable
optical fiber , ARCNET
By Cheng-Yi Chi