GatesAir PT-353, Инструкция по установке и эксплуатации, Страница: 48 / 55

PT/PR-353 Program Audio Module Installation & Operation Manual 6 - Specifications
Version 1.1
6-2 GatesAir
Intraplex Products
A
na
lo
g A
udi
o
O
pe
ra
ti
o
n
Audio Frequency
Response ±0.5 dB
(emphasis off)
48 ksps: 1 Hz-22 kHz
44 ksps: 1 Hz-20.5 kHz
32 ksps: 1 Hz-15 kHz
Audio Full Load Level +9 to +24 dBu
Crosstalk Greater than -80 dB
Total Distortion (THD+N) Less than 0.003% measured at 1 kHz and -1 dBFS
input
Dynamic Range Greater than 91 dB
Audio Pre-emphasis
(user-selectable)
Pre-emphasis and de-emphasis per ITU-T J.17
Input Impedance Balanced, 600Ω nominal or great than 10 KΩ
Output Impedance Balanced, less than 52Ω
Compressed Enhanced APT-X 16, 20, 24 bit; 44.1 kHz: 10 Hz-20 kHz; 32.0
kHz: 10 Hz to 15 kHz, 48kHz 10-22.5 kHz
S
ta
tu
s a
n
d
D
ia
g
n
o
st
ic
s
LED Indicator Lights Service on/off
E1 operation
Five level audio level with overload for each channel
External Clock
Activity
Frame
Mute/Error
PT-353 only:
Digital input source detected
Auxiliary AES data overflow
Module failure (PT only)
PR-353 only:
Input signal detect, each channel
Bit error detect and mute active, each channel
Internal framer in frame
VU Meter Five-segment indicator audio level with overload indication
Test Access Audio input and output test jacks, bantam test jacks
Test Tone Generator 1004 Hz test tone at -12 dBFS which is equivalent to a +8 dBm
input
Alarm Card-level failure relay contacts via the MA-508 and MA-509 or
MA-558 and MA-559 module adapters
Alarm notification sent to shelf common module