SIS Documentation
SIS3800
Scaler/Counter
Page 29 of 39
19.2 Front Panel Layout
The front panel of the SIS3800 is equipped with 8 LEDs, 8 control in- and outputs and 32
counter inputs. On flat cable units (ECL and TTL) the control connector is a 20 pin header flat
cable connector and the channel inputs are fed via two 34-pin headers. On LEMO (NIM and
TTL) units the control in- and outputs are grouped to one 8 channel block and the counter
inputs are grouped into 2 blocks of 16 channels. A mixed LEMO control/flat cable counter
input version is available also. The units are 4 TE (one VME slot) wide, the front panel is of
EMC shielding type. VIPA extractor handles are available on request or can be retrofitted by
the user, if he wants to change to a VIPA crate at a later point in time.
In the drawing below you can find the flat cable (left hand side), the LEMO control/flat cable
input (middle) and LEMO front panel layouts.
Note: Only the aluminium portion without the extractor handle mounting fixtures is
shown
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