Bruker BSMS/2, Technical Manual, Page: 7 / 61

Chapter
BSMS/2 Mainframe Version 001 Bruker 7
BSMS/2 Chassis and Buses 2
Introduction 2.1
The BSMS/2 (Bruker Smart Magnet control System / 2) chassis consists of two 19"-
racks called front - and back rack. These are shown in Figure 1. The front rack has
16 slots (shown in Figure 2) for boards the size of extended Eurocards. These
boards are plugged on to the backplane, which contains two bus systems: a standard
VMEBus and a deddicated USERBus (shown in Figure 3). The front rack can house
14 boards with VME-Bus interfaces and 2 boards with USER-Bus connections only.
The back rack houses the power supplies and the pneumatic module.
Above the front rack there is the line module which contains:
1. The mains switch with line filter and fuses.
2. Five fans to actively cool the BSMS/2.
Figure 1: Front and Back Racks in the BSMS/2
Front Rack Back Rack
Line Module