Instruction manual

ACU-1000 Operations Manual
Interoperability Now 2-17
2.9.7 Expansion Connector
This connector carries parallel control signals and audio between the Expansion Connectors of
the two ACU-1000 chassis of a dual-chassis system. An expansion cable may be purchased
from Raytheon; see Table 1-3. These connections are not intended (and must not be used) for
any other purpose. Connection information is given here for convenience in troubleshooting.
This 37 pin Female D-sub connector is labeled P14.
Table 2-9 Expansion Connector- P14
PIN Signal Description
1
D Bus 7
Data Bus 7
2
D Bus 5
Data Bus 5.
3
D Bus 3
Data Bus 3.
4
D Bus 1
Data Bus 1.
5
Ground
Ground connection.
6
J14-2
Expansion I/O
7
J14-6
Expansion I/O
8
J14-10
Expansion I/O
9
Strobe
Register Strobe
10
A D 1
Register Address Bit 1
11
Ground
Ground connection.
12
A Bus 15
Audio Bus 15.
13
A Bus 13
Audio Bus 13.
14
A Bus 11
Audio Bus 11.
15
A Bus 9
Audio Bus 9.
16
A Bus 7
Audio Bus 7.
17
A Bus 5
Audio Bus 5.
18
A Bus 3
Audio Bus 3.
19
A Bus 1
Audio Bus 1.
20
D Bus 6
Data Bus 6.
21
D Bus 4
Data Bus 4.
22
D Bus 2
Data Bus 2.
23
D Bus 0
Data Bus 0.
24
Sel 14
Select 14.
25
J14-4
Expansion I/O
26
J14-8
Expansion I/O
27
Data Ground
Data Ground connection.
28
A D 0
Register Address Bit 0
29
A D 2
Register Address Bit 2
30
A Bus 16
Audio Bus 16.
31
A Bus 14
Audio Bus 14.
32
A Bus 12
Audio Bus 12.
33
A Bus 10
Audio Bus 10.
34
A Bus 8
Audio Bus 8.
35
A Bus 6
Audio Bus 6.
36
A Bus 4
Audio Bus 4.
37
A Bus 2
Audio Bus 2.