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6.2
Printed circuit boards (PCBs)
12
Siemens Building Technologies
Fire Safety & Security Products
The VIS3I-328 contains four printed circuit boards (PCBs) to provide control,
configuration, access to the input/output connectors and interfacing to the two
option cards. The PCBs are:
1
Control PCB
2
BNC Connector PCB
3
D Connector PCB
4
Slot Expansion PCB
The PCBs are fixed within the unit enclosure and are therefore not considered to
be user serviceable parts. Fig. 3 shows the location of the PCBs within the unit.
3
Fig. 3
Printed circuit boards
4
2
1
10.2008
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