13 Option Cards
13.1
Option Carrier Card (OCC)
The option carrier card is used to add all kinds of additional digital interfaces to
the outside world. The most typical interfaces it is designed for are
synchronisation to various time sources like IRIG/GPS etc., but also faster
Ethernet or real
-
time EtherCAT
®
communication busses.
Communication
and
Fast Data Streaming
Time Base
Synchronization
Sytem Trigger
Recording Control
Option Carrier Card
XMC Connector
PMC Connector
PMC Connector
XMC or PMC
Option Card
Mini PCI Express
Option Card
XMC or PMC
Option Card
mPCIe conn
I/O con
I/O con
I/O con
Backplane
XMC Connector
Figure 13.1:
Block diagram option carrier card
The OCC supports two XMC/PMC slots and one mini PCI express slot. Each
of these form factors are industrial type form factors that are widely used in the
industry.
A standard OCC uses one slot of the mainframe. When adding an OCC, it is
recommend to start using the last slot of the mainframe first. This preference
only exists because of the first slots of each mainframe are attached to the
mainframes Digital Event/Timer/Counter connectors. The OCC has no support
for these connectors, so it is best to use data acquisition cards in the first slots.
The OCC can be used in every slot of the mainframe. To enable the use of a
mainframe at least one acquisition card needs to be installed.
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