Installation Manual Manual

PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-240-0010 Page 2-6 Rev. 24, Dec. 2013
14 V Aircraft 28 V aircraft
Pin 18= 14 V input Pin 18=Swap
Pin U=Swap Pin U =28 V input
2.3.2.9 Expansion Mode / Telephone configuration (S5)
Switch S5
1 On Expansion Unit Present (11606 installed)
4 On
Duplex Telephone mode for Com 5
NOTE: Set both audio panels the same in a dual installation
2.3.2.10 Observer System Installation Configuration (S5)
NOTE: -0400 and -0401 units must be interfaced with other like part number units and are always dual
installations.
When the Observer versions are used (Part Number 050-240-0400, -0401) the cockpit unit is configured
as “Crew” and the Observer station is configured as “Observer.”
Switch S5
2 ON ON
3 OFF
Cockpit unit –
Observer Installa-
tion
ON
Observer unit –
Installation
Switch S3
1
OFF
2
ON
Expansion In
enabled
3
OFF
4
ON
Expansion Out
enabled
Switch S2
3
ON
4
OFF
Pass Input
In an observer unit, jumpers J4 and J5 should be configured like a copilot's unit in dual installation.
2.3.3 DIP Switch Cross reference.
Single Installation- 28 Volt Aircraft Single panel with Expansion - 28 Volt Aircraft
SW2 SW3 SW4 SW5
SW2 SW3 SW4 SW5
1
ON ON OFF OFF
1
OFF OFF OFF ON
2
OFF OFF ON OFF
2
ON ON ON OFF
3
ON ON ON OFF
3
OFF OFF ON OFF
4
OFF OFF OFF See
notes
4
ON ON OFF See notes
J4- On/ J5- Pins 1 & 2
J4- On/ J5- Pins 1 & 2