Sigtronics SPA-400 Intercom to SCI

Sigtronics SPA-400 Intercom to SCI-4 Intercom Wiring Changes
Page 1. This is the first of 4 pages illustrating the wiring changes to take an existing SPA-400 installation and rewire it for a SCI-4 intercom. The illustration below is of the
original SPA-400 installation.
J1 (3) BLUE
AIRCRAFT/INTERCOM INTERFACE AREA
J1 (1) WHITE/BLACK
TO
TIP
TO AIRCRAFT
POWER BUSS
12/28 VDC
A
TIP
RING
BARREL
TIP
P1
ON
VOL
J1
SPA-400 TSO
Intercom
J1 (7) RED
PILOT
PTT SWITCH
J1 (4) BLACK
TO
J1 (3) BLUE
SPA-400
INTERCOM
CO-PILOT
PTT SWITCH
A
TO
A
J1 (6) BROWN
J1 (11) WHITE/ORANGE
J1 (3) BLUE
TIP
AIRCRAFT
HAND MIC
JACK
PILOT
SQ
AIRCRAFT RADIO
RADIO MIC KEY (PTT)
RING
AIRCRAFT
HEADPHONE
JACK
MIC
JACK
12345
MIC AUDIO
(INTERCOM
CENTRAL
GROUND
POINT)
INTERCOM
CIRCUIT
BREAKER
(1 AMP)
BARREL
HEADPHONE
JACK
HEADPHONE AUDIO
POINT A
J1 (5) WHITE
J1 (2) WHITE / RED
TO
TIP
A
J1 (8) TAN
BARREL
BARREL
HEADPHONE
JACK
J1 (10) WHITE / BLUE
TIP
RING
J1 (9) TAN
MIC
JACK
CO-PILOT
J1 (3) BLUE
TO
TIP
A
TIP
RING
BARREL
TO
TIP
BARREL
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 2
Sigtronics Corporation
178 East Arrow Highway
San Dimas, CA 91773
Telephone: (909) 305-9399
E-mail: [email protected]
Web: www.sigtronics.com
A
TIP
RING
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 1
S igtronics ®
12-11-2014
spa-400_to_sci-4_wiring_changes.pdf
Sigtronics SPA-400 Intercom to SCI-4 Intercom Wiring Changes
Page 2. Disconnect the tip terminal of the pilots headphone jack from the blue wire. Make sure that the J1 (3) Blue wire is still connected to the tip of the radio headphone
line. Disconnect the copilots headphone jack tip terminal.
J1 (3) BLUE
AIRCRAFT/INTERCOM INTERFACE AREA
J1 (1) WHITE/BLACK
TO
TIP
TO AIRCRAFT
POWER BUSS
12/28 VDC
A
TIP
RING
BARREL
TIP
P1
ON
VOL
J1
SPA-400 TSO
Intercom
J1 (7) RED
PILOT
PTT SWITCH
J1 (4) BLACK
TO
J1 (3) BLUE
SPA-400
INTERCOM
J1 (6) BROWN
J1 (11) WHITE/ORANGE
J1 (3) BLUE
TIP
AIRCRAFT
HAND MIC
JACK
PILOT
SQ
J1 (5) WHITE
J1 (2) WHITE / RED
TO
TIP
A
J1 (8) TAN
BARREL
BARREL
HEADPHONE
JACK
J1 (10) WHITE / BLUE
TIP
RING
J1 (9) TAN
MIC
JACK
CO-PILOT
J1 (3) BLUE
TO
TIP
A
TIP
RING
BARREL
TO
TIP
HEADPHONE
JACK
BARREL
MIC
JACK
PASSENGER 2
178 East Arrow Highway
San Dimas, CA 91773
Telephone: (909) 305-9399
E-mail: [email protected]
Web: www.sigtronics.com
S igtronics ®
A
TIP
RING
BARREL
Sigtronics Corporation
AIRCRAFT RADIO
RADIO MIC KEY (PTT)
RING
AIRCRAFT
HEADPHONE
JACK
MIC
JACK
12345
MIC AUDIO
(INTERCOM
CENTRAL
GROUND
POINT)
INTERCOM
CIRCUIT
BREAKER
(1 AMP)
BARREL
HEADPHONE
JACK
HEADPHONE AUDIO
POINT A
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 1
CO-PILOT
PTT SWITCH
A
TO
A
Sigtronics SPA-400 Intercom to SCI-4 Intercom Wiring Changes
Page 3. Use the 4 foot headphone / intercom interface cable J2 and connect the pilots headphone tip terminal to J2 (1) Green. The passenger headphone jacks are connected to J2 (3) Yellow of the interface harness. J2 (2) Gray of the headphone / intercom interface harness J2 is connected to the copilots headphone tip terminal.
The SCI-4 intercom is connected to the new 3 pin interface harness J2 and the existing harness J1 of the original SPA-400 installation.
J2 (1) GREEN
AIRCRAFT/INTERCOM INTERFACE AREA
J1 (1) WHITE/BLACK
TO
TIP
TO AIRCRAFT
POWER BUSS
12/28 VDC
A
TIP
RING
BARREL
TIP
AIRCRAFT RADIO
RADIO MIC KEY (PTT)
RING
AIRCRAFT
HEADPHONE
JACK
MIC
JACK
12345
MIC AUDIO
(INTERCOM
CENTRAL
GROUND
POINT)
INTERCOM
CIRCUIT
BREAKER
(1 AMP)
BARREL
HEADPHONE
JACK
HEADPHONE AUDIO
POINT A
TIP
AIRCRAFT
HAND MIC
JACK
PILOT
P2
P1
J2
Passenger
Pilot/CoPilot
J1
ALL
ISO
CREW
S
Q
SCI-4
Volume
PILOT
PTT SWITCH
J1 (4) BLACK
TO
J1 (3) BLUE
Made in U.S.A.
SCI-4
INTERCOM
J2 (2) GRAY
J1 (7) RED
J1 (6) BROWN
J1 (11) WHITE/ORANGE
J1 (5) WHITE
J1 (2) WHITE / RED
TO
TIP
A
J1 (8) TAN
BARREL
BARREL
HEADPHONE
JACK
J1 (10) WHITE / BLUE
TIP
RING
J1 (9) TAN
MIC
JACK
CO-PILOT
J2 (3) YELLOW
TO
TIP
A
TIP
RING
BARREL
TO
TIP
BARREL
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 2
Sigtronics Corporation
178 East Arrow Highway
San Dimas, CA 91773
Telephone: (909) 305-9399
E-mail: [email protected]
Web: www.sigtronics.com
S igtronics ®
A
TIP
RING
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 1
CO-PILOT
PTT SWITCH
A
TO
A
Sigtronics SPA-400 Intercom to SCI-4 Intercom Wiring Changes
Page 4. This was a brief overview of the SPA-400 to SCI-4 upgrade wiring installation. Please see the complete SCI-4 installation and operating instructions before installing
your system.
J2 (1) GREEN
AIRCRAFT/INTERCOM INTERFACE AREA
J1 (1) WHITE/BLACK
TO
TIP
TO AIRCRAFT
POWER BUSS
12/28 VDC
A
TIP
RING
BARREL
TIP
AIRCRAFT RADIO
RADIO MIC KEY (PTT)
RING
AIRCRAFT
HEADPHONE
JACK
MIC
JACK
12345
MIC AUDIO
(INTERCOM
CENTRAL
GROUND
POINT)
INTERCOM
CIRCUIT
BREAKER
(1 AMP)
BARREL
HEADPHONE
JACK
HEADPHONE AUDIO
POINT A
TIP
AIRCRAFT
HAND MIC
JACK
PILOT
P2
P1
J2
Passenger
Pilot/CoPilot
J1
ALL
ISO
CREW
S
Q
SCI-4
Volume
PILOT
PTT SWITCH
J1 (4) BLACK
TO
J1 (3) BLUE
Made in U.S.A.
SCI-4
INTERCOM
J1 (6) BROWN
J1 (11) WHITE/ORANGE
J2 (2) GRAY
J1 (7) RED
J1 (5) WHITE
J1 (2) WHITE / RED
TO
TIP
A
J1 (8) TAN
BARREL
BARREL
HEADPHONE
JACK
J1 (10) WHITE / BLUE
TIP
RING
J1 (9) TAN
MIC
JACK
CO-PILOT
J2 (3) YELLOW
TO
TIP
A
TIP
RING
BARREL
TO
TIP
BARREL
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 2
Sigtronics Corporation
178 East Arrow Highway
San Dimas, CA 91773
Telephone: (909) 305-9399
E-mail: [email protected]
Web: www.sigtronics.com
S igtronics ®
A
TIP
RING
BARREL
HEADPHONE
JACK
MIC
JACK
PASSENGER 1
CO-PILOT
PTT SWITCH
A
TO
A