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CP345
1.2 Board Overview
1.2.1 Board-Specific Information
The CP345 is a high speed, 4-channel serial I/O device supporting the RS232, RS422
and RS485 industry standards. Three board variants are currently available, a non-
optoisolated standard one, a non-optoisolated variant provided with rear I/O connectiv-
ity, and an optoisolated variant. The external interfacing of the board variants differ (four-
RJ45 connector block or 50-pin row D-Sub connector), while the input/output signals are
identical. The optoisolation of the front and rear panel interfaces respectively is accom-
plished through the use of a transition module (CP345-TR1) which plugs into the CP345
main board or through an optoisolated rear I/O module (CP-RIO-345-OPT).
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32-bit CompactPCI board, 33 MHz
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Up to 1 MBaud asynchronous transmission
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Up to 10 MBaud synchronous transmission
(with customized piggyback module or rear I/O)
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Optoisolated or non-optoisolated board variants
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4 independent serial channels
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One RJ45 connector block (non-optoisolated version) or
one 50-pin row D-Sub connector (optoisolated version)
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DMA-transfer, bus master capable
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RS232, RS422, and RS485 standards
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Each channel individually programmable per software
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Bus termination resistors (RS422/RS485) software selectable
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Control LED's on the front panel and, if used, on the rear I/O module
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Rear I/O-capable board variant
(for optoisolated or non-optoisolated rear I/O module)
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Jumperless configuration
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Windows NT
1.2.2 Board Variants
Three different variants of the CP345 main board are available:
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Non-optoisolated standard version
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Non-optoisolated version providing rear I/O connectivity
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Optoisolated version with serial I/O transition module CP345-TR1 (no rear-I/O)
All board variants have in common four individually programmable RS232, RS422 or
RS485 channels. However, the pinout is realized via different physical interfaces. The
various board variants are equipped with one of the following connectors:
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Frontpanel connector block (one connector per I/O channel)
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Frontpanel connector (all I/O channels) plus transition module interface connectors
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Rear I/O connector
The frontpanels of the board variants are different in terms of their external interfacing.
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4.0, QNX
and VxWorks
®
®
© PEP Modular Computers GmbH
drivers
®
Introduction
ID 19979, Rev. 03
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