Northern Airborne Technology PTA12-0xx - Manual (Page 6)

PTA12-000 POTS Telephone Adapter
SM55-1 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-3
ENG-FORM: 800-0115.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Distortion:
≤5% THD
Audio Noise:
≤ -50 dB from rated output (no signal)
Available Audio: TX Audio, RX Audio.
TX Audio: Mic Input to tip/ring: 775 mVrms (0 dBm) with <5% THD
Test condition: 170 mVrms @ 1 kHz into Mic input,
Mic level potentiometer set to max
RX Audio: Typical expected audio level: 77.5 to 775 mVrms (-20 to 0 dBm)
DTMF signalling: Standard DTMF frequencies used: 0 - 9, ½, #
Frequency tolerance:
±1.5 %
DTMF TX on tip/ring (DTMF level potentiometer set to max.):
High group -2.2 dBm
±1.0 dB
-2.2 dBm
±2.5 dB (short time high operating temperature).
Low group -4.2 dBm
±1.0 dB
-4.2 dBm
±2.5 dB (short time high operating temperature).
Miscellaneous
HOLD TX mic muting:
≤ -60 dB from rated output
RX phones muting:
≤ -85 dB from rated output
Sidetone muting:
≤ -90 dB from rated output
REDIAL Typical tone duration: 82
±8 ms
Typical inter-digit pause time: 82
±8 ms
VOL Dynamic range: 40
±3dB
1.4.2 Physical Specifications
Height
1.12" (28.4 mm)
Width 5.75" (146.1 mm) in front of panel
4.80" (121.9 mm) behind panel
Depth 4.17" (105.9 mm) behind panel, including connector
Weight 0.63 lbs. (0.29 kg).
Front Panel Aluminum, with Lexan label and Elastomeric keypad. Front panel
is not backlit. Silicone rubber, tactile push-buttons backlit by
amber LEDs
Mounting Dzus rail (4 fasteners).
Material/Finish Chassis & cover are 5052-H32 brushed aluminum with chromate
conversion finish
Connectors One male filtered 25 pin D-min with Positronics V5 locking tabs