
PS Engineering
PAC45J Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-2000
Appendix
November 2020
9.4.1
EFIS Interface
P454 MALE ON HARNESS
OBSERVER 1
CTL45G
PILOT EFIS
SERIAL
INTERFACE
* PILOT AND OBSVR #2
CONNECTIONS
CAN BE
REVERSED. SEE SECT. 2.
COPILOT EFIS
SERIAL
INTERFACE
9.5 J455 Connections
P455
MALE ON HARN ESS
1
2
3
4
5
6
7
8
9
J455
FEMALE ON HARN ESS
*OBS #2 OR PILOT
CTL45 H EAD
PAC45A
HUB45A LRU
RX- RS422 TX -
RX+ RS422 TX +
TX- R S422 RX -
TX+ RS422 RX +
GND
1
2
3
4
5
6
7
8
9
* PILOT AND OBSVR #2
CONNECTIONS
CA N BE REV ERSED.
SEE SECT. 2.7.14.
POWER
GROUND
NO CONNECTION