Ept Type B - Male connector Content: 1 pc(s) 101-40064TH Information Guide

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ept GmbH 

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Phone +49 (0) 88 61 / 25 01 0 

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 Fax +49 (0) 88 61 / 55 07 

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 E-mail sales@ept.de 

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 www.ept.de

PC/104 and PC/104-Plus

Simply stack it – 
with ept press-fi t technology
PC/104 is a standard for PC-compatible 
modules which are intermateable to set 
up a complete computing system. The 
PC/104 ensures complete hardware and 
software compatibility, is extremely 
compact (96 mm x 90 mm), and comes 
with a standardized PC/104 Bus (ISA). 
Due to this standardization, different 
PC/104 cards can be combined to im-
plement a defi ned task. 

Based on PC/104, many different boards 
are offered such as:
•  Complete single-board computers
•  I/O boards for digital or analog I/O
•  Boards for CAN, Profi bus, LON, 

Ethernet

• PCMCIA boards

Since more powerful components are 
available, the PC/104 systems had to be 
supplemented with a faster bus sys-
tem. The PC/104 system was supple-
mented with the PCI bus and thus it 
was further developed. This supplement 
is described in the PC/104-Plus specifi -
cation.

PC/104 and PC/104-Plus connector
While the PC/104 bus comprises two 
connectors with 40 and 64 pins which 
can be placed side-by-side and a grid 
size of 2.54 mm, the PC/104-Plus 
features 120 pins with a distance of 
2.00 mm.

By using connectors with long pins in 
press-fi t technology, several boards can 
be stacked on top of each other (see 

fi gure). The clearances specifi ed by 
the PC/104 consortium are ensured 
by using spacers and shrouds.
The additional use of spacing bolts is 
therefore not required.