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ACE1553-3U-4 Hardware Manual
5
2.3.1 MIL-STD-1553-A/B Dual Channel Interface Connector
On the ACE1553-3U-4 card all MILbus signals are provided on two female HD-DSUB15
connectors at the front panel.
Figure 2.2: Pinout of the 15 Pin HD-DSUB connector
The pin assignment of the MILbus connectors is shown in the table here below:
DUSB-15 Connector (Ch1+2)
DUSB-15 Connector (Ch3+4)
Pin Signal Description
Pin
Signal Description
1
MILBus
Channel 1 A (true)
1
MILBus
Channel 3 A (true)
2
MILBus#
Channel 1 A (compl)
2
MILBus#
Channel 3 A (compl)
3
IRIG-OUT
3
DISCRETE GPIO (1)
4
MILBus
Channel 1 B (true)
4
MILBus
Channel 3 B (true)
5
MILBus#
Channel 1 B (compl)
5
MILBus#
Channel 3 B (compl)
6
IRIG-IN
6
DISCRETE GPIO (2)
7
Trigger CH1 IN
7
Trigger CH3 IN
8
Trigger CH1 OUT
8
Trigger CH3 OUT
9
Trigger CH2 IN
9
Trigger CH4 IN
10
Trigger CH2 OUT
Trigger CH4 OUT
11
MILBus
Channel 2 A (true)
MILBus
Channel 4 A (true)
12
MILBus#
Channel 2 A (compl)
MILBus#
Channel 4 A (compl)
13
GND
GND
14
MILBus
Channel 2 B (true)
MILBus
Channel 4 B (true)
15
MILBus#
Channel 2 B (compl)
MILBus#
Channel 4 B (compl)
Table 2.1: Pin Description of the two HD-DSUB15 front-panel connectors
2.3.2 General Purpose I/O Connections
Two General Purpose I/O's
(GPIO1
– GPIO2)
are provided on the DUSB-15 Connector (Ch3+4)
with Avionic Level inputs and outputs.
The GPIO’s can be used as simple discrete inputs or outputs, for example to generate strobes
(i.e. to another AIM board) or to sample a digital input signal generated by an external system
(or AIM board).
Optional a Breakout cable can be ordered with four two-meter stub cables terminated with
trumpeter PL-75 plugs for the MILbus and with a stub cable which provides the IRIG-Signal, the
Trigger-Lines and the GPIO-Signals
Summary of Contents for ACE1553-3U-4
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