Wiring Checkout - PS Engineering PAC45D System Installation And Operation Manual

P453
1 NC
2 NC
3 PAX 5 ICS PTT
4 PAX1 ICS PTT
5 PAX2 ICS PTT
6 PAX3 ICS PTT
7 PAX4 ICS PTT
8 NC
9 PAX 1 MIC KEY
10 SERIAL TX3 -
11 SERIAL RX2 -
12 SERIAL RX2 +
13 PAX 1 HP RT
14 PAX 2 HP RT
15 PAX 3 HP RT
16 PAX 4 HP RT
17 NC
18 NC
19 SERIAL TX3+
20 SERIAL RX3-
21 SERIAL RX3+
22 SERIAL 2 LOW
23 PAX HP LOW
24 SERIAL 2 LOW
25 PAX HP LOW
26 NC
Table 2-3: PAC45D Pin Assignments
NOTE: Serial TX 3 for Mission Observer Control Head

2.7 Wiring Checkout

After wiring is complete, verify power is ONLY on pin 16 &17 of J451and airframe ground on pin
34. Failure to do so will cause serious internal damage and void PS Engineering's warranty.
200-045-0100
PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator's Manual
1 PA KEY
2 COPILOT CVR/Low Level
SPR out (-0103 only)
3 PAX 6 ICS PTT
4 NC
5 NC
6 NC
7 TEL MIC AUD
8 SWAP
9 ACKNOWLEDGE
10 COPILOT HP RT
11 PILOT HP RT
12 PILOT CVR OUT
13 UNSW 4 AUD IN
14 UNSW 3 AUD IN
15 NC
16 PAX 5 MIC AUD
17 TEL AUD IN
18 REMOTE ISO
19 COPILOT HP LOW
20 PILOT HP LOW
21 CVR LOW
22 UNSW 4 AUD LOW
23 UNSW 3 LOW
24 NC
25 PAX 5 MIC AUD LOW
26 TEL AUD LOW
Page 2-13
P454
January 2020