1. INTRODUCTION.
1.1. General description.
AEQ PHOENIX STRATOS is a multiformat, multi-algorithm dual channel audiocodec designed
for stationary rack-mounted applications, like links between studios, STL or mobile equipment
connections. Each one of the two channels is stereo, so actually the unit houses two stereo
codecs with independent AES/EBU digital and analog inputs and outputs.
PHOENIX STRATOS is a rackmounted audiocodec offering the options of working over ISDN,
V35/X21 and IP networks. When used over the IP communications interface, it is fully
compatible with the EBU-TECH 3326 technical specification issued by the EBU N/ACIP working
group. This specification was developed to guarantee compatibility between devices made by
different manufacturers for professional quality audio contribution applications over IP networks.
PHOENIX STRATOS enables its users to work simultaneously over two channels with
professional quality in independent dual mono format or in stereo, or combination of both to
several different destinations.
PHOENIX STRATOS is designed to ensure interoperability with existing and future
communications equipment developed by AEQ and other manufacturers, thanks to the large
number of interfaces and of encoding algorithms it implements, and to the possibility of easily
bringing them up to date as the market evolves.
We recommend you reading this manual and “AEQ ControlPHOENIX” application user’s
manual carefully and completely before using the unit, although chapter 5 offers a
quickstart user’s guide.
1.2. Functional specifications.
- Management of two full-duplex channels (dual mono or stereo) over several possible
communication interfaces: dual IP, V.35/X21 and ISDN.
- Inputs:
• Dual Stereo analog audio input 4 x XLR female. 9Kohm. Electronic balancing.
Line level.
• Digital audio input. DB15 connector. Dual AES/EBU interface with SRC
- Outputs:
• 2 stereo analog audio outputs. 4 x XLR male. Output impedance <100 ohm.
Electronic balancing. Line level.
• Digital audio outputs. Two digital AES/EBU audio outputs. It is possible to
synchronize the output with the sampling frequency of the input.
• Headset output. 1 x ¼” stereo jack with volume control on front panel.
- Synchronism: each output extracts it from the channel or alternatively its AES/EBU
input.
- IP Interface. Ethernet Port. Audio and control interface over IP. LAN 10/100 base T
RJ45 connector.
- PHOENIX STRATOS implements SIPv2 for the IP interface according to RFC-3261 and
RFC-3264.
- AEQ offers the “SmartRTP” call initiation protocol in order to greatly simplify the
operation of the unit.
- AEQ also offers the services of its 2 own SIP servers (one of them working as
main server and the other one as backup server) at no additional cost. More
information in section ANNEXE C.
- V.35 interface over DB25 connector.
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