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Page 19
Page 19 of 72 UTY4422-002
Table 4. Audio Specifications
Parameter Specification (each channel of stereo pair)
Output Level-MAX PPL +18.0 ±0.5 dBm into 600 ohms, at 0 dB
attenuation level
Impedance Balanced: < 60 Ohms
Frequency Response 20 Hz to 20 kHz, + 0.5/-1.5 dB
50 Hz to 15 kHz, ± 0.5 dB
Phase accuracy
50 Hz to 15 kHz, ≤± 2°from linear phase
Harmonic Distortion (1 kHz
test-tone, 1 dB below PPL)
≤ 0.5 %
S/N Ratio
m 80 dB (22 Hz to 20 kHz) unweighted
Dynamic Range 16 bits
A/V Sync
≤
±
50 mS error
2.3.7 Serial ASYNC Data, Monitor and Control of unit
Two serial ports (SERIAL 1 and 2) for data to/from the unit have the following characteristics:
Table 5. Serial ASYNC Port Requirements
Parameter Specification
Signal Type Serial Asynchronous Character Data
Levels RS-232
Mode Always 8 data-bits, one start, one stop-bit, half-duplex.
Pin-outs DCE to AT-compatible serial port, 3-wire subset (Rxd,
Txd, and Ground) without handshake lines
2.3.8 Option Modules for Expansion Ports
The unit has one expansion slot, which can be used as a high-speed or low-speed slot. Using it
as a high-speed expansion port provides the transport layer multiplexed stream while using it as
a low-speed expansion port provides the filtered packet data. An I
2
C bus provides control for
option modules. The specifications for individual modules are included in documentation for the
module.
The RF Switch is not an option when the DVB-ASI Input Card is installed.
2.3.9 AC Power
The unit features a universal-input power supply. AC line power is fed into a standard IEC jack.
The nominal inputs are 115 or 230 VAC ± 10% at 50-60 Hz ± 2%. The total AC current
consumption with max LNB DC load is 0.8A at 115 VAC, and 0.5A at 230 VAC. See Table 1
(Page 13).