SCP/DCP-122 G
ETTING
S
TARTED
M
ANUAL
D
Y
4 S
YSTEMS
I
NC
.
4-8
812628 V
ERSION
1 O
CTOBER
2003
Basecard I/O Mode
The default configuration assumes no PMC module is present on the SCP/DCP-122, allowing
the full range of basecard I/O to be distributed via the transition module. This includes the
following interfaces:
• Optional basecard I/O allows for DIO7 to be replaced with ALT_BOOT-, and/or DIO0 to
be replaced by RTC standby power.
• RS-232 is available on J3 and J6
• Ethernet is available on J5
• USB is available on J4
• DIO (0) to DIO (15) available on header block
• EIA-422 Channel 3 and 4 available on pin headers
• Card Reset is routed to E36 and E37
Individual standard cables are required for RS-232, Ethernet and USB ports.
PMC-601 Support
If a PMC-601 is present on the SCP/DCP-122, the transition board provides access to the
PMC-601 signals in conjunction with the Dy 4’s standard SBC P0 cable (CBL-SBC-P0-000).
See Figure 4.4 below for more information.
This option supports the following combination of interfaces:
• two RS-232 ports available on Transition Module J3 and J6 connectors.
• 64-bit PMC I/O available on the 78-Way connector via the P0 cable (into which the
PMC-601 cable assembly (#901321-000) may be connected to further break out the
MIL-STD-1553 signals)
• Ethernet is available on J5 and it is also accessible via the P0 cable.
• USB is not available (multiplexed with PMC I/O). The USB power signal (USBVBUS) is
isolated from the USB connectors (0 ohm resistor not populated)
• Discrete I/O's are not available (multiplexed with PMC I/O)
• one asynchronous EIA-422 serial port (CH3) accessible via on board pin headers. EIA-
422 channel 4 is not available (multiplexed with PMC I/O).
• Card Reset is available on E36 and E37 and P0 cable
F
IGURE
4.4: Using the CBL-SBC-P0-000 with the Transition Module
approx. 19" (50 cm)
P1
J2: Ethernet 10BASE-T or
100BASE-TX via RJ45S
J3: Discrete Digital I/O
via DB25
J1: PMC I/O
via 78 pin HDP-22 Receptacle
Pushbutton
Reset
J4: USB
J2
CPCI
J4
(USB)
J5 Eth
RS-422 Ch3
and Ch 4
DIO
P0
Cable
I/F
Reset (E36, E37)
J3
RS-232
J6
RS-232
Ch1
Ch 2
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