Functional Description CP308
Page 2 - 22 ID 1027-4487, Rev. 3.0
P R E L I M I N A R Y
2.3.10 Optional Rear I/O Interface
The CP308 board provides optional rear I/O connectivity for peripherals. When the rear I/O
module is used, the signals of some of the main board/front panel connectors are routed to the
rear I/O module interface.
For the system rear I/O feature a special backplane is necessary. The CP308 with rear I/O is
compatible with all standard 3U CompactPCI passive backplanes with rear I/O support on the
system slot.
The CP308 rear I/O provides the following interfaces (all signals are available on J2 only if the
board is ordered with rear I/O functionality):
• Two USB 2.0 ports
• Two Gigabit Ethernet ports without LED signals
• Two SATA ports
• Two COM ports (3.3 V TTL level)
• VGA analog port
• One fan control input
• One PWM output
• Management and control signals
• Input for +5V standby power
• Geographic addressing (GA[4..0])
Note ...
The pinout of the rear I/O CompactPCI connector on the CP308 is not compat-
ible with that of the CP302, CP303, CP304, CP306, etc., but is compatible with
the pinout of CP307’s and CP305’s rear I/O CompactPCI connector. For this
reason, only rear I/O modules specially designed for the CP308, the CP307 or
the CP305 can be used with the board.
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