PETRA-III Laser-wire
Patch Panel Connector Description
The patch panel is located at the base of the 42U rack in the laser room.
N-type connectors
# |
Signal |
Comment |
1 |
Calorimeter Output |
-ve signal |
2 |
BPM32 |
Used for checking timing |
3 |
BPM32 |
|
4 |
BunchUhr |
|
5 |
BunchUhr |
|
BNC connectors
# |
Signal |
Comment |
1 |
+12V to tunnel rack |
Turns on remote power to tunnel rack |
2 |
Status of tunnel rack |
TTL: high=rack on, low=rack off |
3 |
Calorimeter LED |
Never used - parameters unknown |
4 |
not used |
|
5 |
Power meter |
which PM? |
6 |
Power meter |
which PM? |
7 |
Wincam trigger |
Used when wincam used for measurements in tunnel |