Interconnect Solutions for Aircraft Data
Network Systems
ITT now offers interconnect solutions for the
commercial avionics ARINC 664 Ethernet LAN
installations, either 10BASE-T or 100BASE-TX.
ITT’s offering includes a multi-pin Cannon
Quadrax contact for use in ARINC 600,
ARINC 404, and 38999-Style Series III connec-
tors. The Quadrax contact, designed to ARINC 600
requirements, is a size 8 multi-pin contact providing four signal pins to yield a single
Ethernet port. The details of the size 8 Quadrax contact are defined in Attachment 20
to ARINC Specification 600. Since the Quadrax contact must be keyed within the con-
nector insert, it requires Ethernet application specific inserts. The crimp version of the
size 8 Quadrax contact terminates a 100-ohm, “Star Quad” cable. Guidelines for the cable characteris-
tics and insert arrangements utilizing the size 8 quadrax contacts are defined also in the ARINC
Specification 600.
In addition, ITT has developed a size 5
“Quadrax” contact for use in ARINC 404 and
MIL-C-81659 connectors. This contact
terminates the same “Star Quad” cable as the
size 8 “Quadrax” contact and its use requires
modification to any standard insert containing
size 5 contact cavities.
For a detailed overview of Quadrax technology,
please refer to the Interconnect Solutions White Paper titled
“Quadrax Technology White Paper,” availble for download
on our website, www.ittcannon.com.
Electrical Performance (Typical)
Return Loss (Minimum)
Cross Talk (NEXT) Minimum
Attenuation (Maximum)
Attenuation (dB)
Frequency (MHz)
Attenuation (dB)
Frequency (MHz)
Attenuation (dB)
Frequency (MHz)
1.00
23
23
23
23
14
14
14
14
1.00
65
65
60
56
54
50
44
40
1.00
0.01
0.03
0.03
0.03
0.03
0.04
0.10
0.30
4.00
4.00
4.00
10.00
16.00
20.00
32.25
32.50
100.00
10.00
16.00
20.00
32.25
32.50
100.00
10.00
16.00
20.00
32.25
32.50
100.00
www.ittcannon.com
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