
PS Engineering
PAC45J Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-2000
Page 1-2
November 2020
1.4
APPROVAL BASIS FAA TSO
FAA TSO
The PAC45J-series Audio Selector Panels is FAA authorized under TSO C139A (Audio Ampli-
fiers). ED-14C/DO-160G (
Environmental Conditions and Test Procedures for Airborne Equipment
),
ED12B/DO-178C, Level C (
Software Considerations for Airborne Equipment
) and ED- 18/DO-214A (
Audio
Systems Characteristics and Minimum Operational Performance Standards for Aircraft Audio Systems
).
1.1.2
Limitations
This article meets the minimum performance and quality control standards required by a technical standard
order (TSO). Installation of this article requires separate approval.
Refer to Advisory Circular 20-41A for information on TSO installation approval.
Operation is subject to the following conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired operation.
1.5
SPECIFICATIONS
TSO COMPLIANCE
Audio Selector/Intercom
:
FAA TSO-C139A
APPLICABLE DOCUMENTS:
RTCA/DO-214A
RTCA/DO-160G
RTCA/DO-178C
Temperature Range:
Operating:
Short Term Operating:
Survival:
HUB45AR
-45° C to +55°C
-45° C to +71°C
-55° C to +85°C
CTL45J
-20°C to +55°C
-40° C to +70°C
-55° C to +85°C
Altitude
:
Up to 55,000 feet in a non-pressurized area of the cockpit.
DIMENSIONS:
CTL45J: Height: 2.62 in. (6.65cm) Width: 4.90 in. (12.45 cm)
Depth behind panel: 2.35 in. (5.97)
HUB45AR: Height: 1.9” Width: 5.88 w/mounting flanges, Length
7.22”, 12” w/ all connectors. See Figure 5-6
UNIT WEIGHT
HUB45AR
CTL45J
2.0 lbs. (.91 kg)
1.3 (.60 kg)
POWER REQUIREMENTS:
Voltage
:
18 to 33 VDC
Maximum Current
:
Typical Current
Alert Power
Lighting
HUB45AR 1.5 Amp (Externally protected by a 5 Amp circuit breaker.)
CTL45J 500 mA (Externally protected by a 1 Amp circuit breaker)
750 mA
<20 mA
< 5mA
Audio Selector Specifications
Audio selector panel input impedance
:
510
Input Isolation
:
-60 dB (min.)
Switched Receiver Inputs
:
16 (COM 1– COM 8, AUX 1- 8)
Unswitched Inputs
:
5
Transmitter Selections
:
8 (COM 1, 2, 3, 4, 5, 6, 7, 8)
Headphone Impedance
:
150 – 600
or
8 Ω
Headphone Output
:
200 mW into 150
or 8Ω headset, no clipping <.5% THD typical
Microphone Impedance
:
150 - 600
PA Output, Cockpit speaker output
10W @4 Ω