Bruker BSMS/2, Technical Manual, Page: 9 / 61

BSMS/2 Mainframe Version 001 Bruker 9
VMEBus and USERBus 2.3
Figure 3: Backplane of the BSMS/2 (Front View)
VMEBus 2.3.1
The VMEBus is a 14 slot A16/A24 D16 board corresponding to the VME standard.
USERBus 2.3.2
The USERBus is designed to route all function specific signals and power supplies
to the appropriate boards or modules. It contains the frame ground point of the
BSMS. The DGND, AGND and GND24 are connected via an inductor (L1) to the
frame ground (for DGND, AGND, and GND24, see also Overview of the Power
Supplies (Part One) on page 12).
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
VMEBus
USERBus
Slot number
16
BSMS/2