Electrical installation and wiring
98-158751-C Chapter 4: Installation 4-21
• Security Domain: Passenger Information Entertainment Services Domain (PIESD)
Description of Ethernet 12 (PIESD#2)
This interface is for cabin (PIESD) applications. Future use of the Cabin 2 interface is
Crosstalk master/slave interface to other CSDU.
Wiring diagram
See Wiring – overview on page 4-7
Pins for Ethernet 12 (PIESD#2)
4.3.23 To wire Ethernet 4 (ACD#1)
ARINC-781 / ARINC-771 compliant, 10/100BASE-TX, Cabin 2.
Description of Ethernet 4 (ACD#1)
This interface is software disabled and reserved for future use.
• Ethernet Port Definition: Cockpit Priority Data 1
• Security Domain: Aircraft Control Domain (ACD)
Wiring diagram
See Wiring – overview on page 4-7
Pins for Ethernet 4 (ACD#1) Quadrax connector
4.3.24 To wire Ethernet 5 (ACD#2)
The Ethernet 5 interface is ARINC-781 compliant, but reserved for flight test use only
and disabled for general use.
CSDU pin Description
TP06J Ethernet 12 from CSDU to User + (PIESD#2)
TP06K Ethernet 12 from User to CSDU + (PIESD#2)
TP07K Ethernet 12 from CSDU to User - (PIESD#2)
TP07J Ethernet 12 from User to CSDU - (PIESD#2)
CSDU pin Description
MP 2T 1 Ethernet 4 from CSDU to User +
MP 2T 2 Ethernet 4 from User to CSDU +
MP 2T 3 Ethernet 4 from CSDU to User -
MP 2T 4 Ethernet 4 from User to CSDU -
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