ITEM SOLD AS IS, PLEASE READ DESCRIPTION BELOW FOR DETAILS.
You are bidding on a Telos Zephyr Xstream ISDN codec rack-unit. This unit was used in a non-smoking professional studio environment and is fully functional.
Note: This item has minor signs of cosmetic wear from general rack usage. See photos for details.
What's included:
Zephyr Xstream
Power cord
Technical Specifications from Telos:
General
Full duplex, high-fidelity codec using MPEG-2 AAC, MPEG-4 AAC-LD MPEG-2 Layer-3, MPEG-2 Layer-2, AACPlus, and G.722; fully compliant with international standards.
Frequency Response
20 - 20kHz @ 48kHz fs (+0/-1dB, swept sine tone procedure)
AAC all modes except Stereo 64: 20-19,800Hz at 48kHz fs., 20-15,000Hz at 32kHz fs.
AAC Stereo 64: 20-10,000Hz at 48kHz fs., 20-7,000Hz at 32kHz fs
AACPlus mono (for use reception from the Xport): 20-15,000 Hz 48kHz fs
Layer 3 all modes: 20-16,000Hz at 48kHz fs., 20-15,000Hz at 32kHz fs
Layer 2 mono, dual mono: 20-7.8kHz/9.8kHz
Layer 2 mono 20-8.6 kHz at 24 kHz fs.
Layer 2 joint stereo: 20-20,000Hz at 48kHz fs. 20-15 kHz at 32kHz fs
G.722: 20-7,500Hz.
THD+N
Audio loopback, 48kHz fs, analog I/O, input at 1kHz +20dBu: 0.004%
Dynamic Range
A Weighting, AAC, Layer-3 or 2 end-to-end: 101dB typical
Send Input
Active balanced with RF protection.
Zephyr Xstream:
LINE: Settable to -11 or +4dBu (or -15 to 0 dBu) nominal level
Clip point: 18 dB above chosen nominal level.
Impedance: > 10K Ohms (x2)
Connector: XLR female/quarter-inch TRS combo connector.
Zephyr Xstream MX and MXP:
LINE: -11 or +4dBu nominal level (switchable).
MIC: Accepts -65 to -24 dBu in 2 ranges (switchable). Mic impedance </= 1000 Ohms
Clip point: 15 dB above chosen nominal level.
Impedance: Line > 10K Ohms (x2)
Connector: XLR female/quarter-inch TRS combo connector.
Limiter
Zephyr Xstream MXP
Internal DSP-based AGC/limiter with Omnia® audio processing. Includes presets for music & voice, selectable per channel.
Zephyr Xstream
Analog soft-clipper prevents A/D converter overload without loss of dynamic range
Line Bit Rates (ISDN)
56 or 64kbps per channel, front panel selectable
Bit Rates (V.35/X.21)
56, 64, 112 (imuxed), 128 (imuxed), 96, 128, 256, 384 kbps front panel selectable
Receive Output
Active differential.
Level: Front panel selectable for -10 or +4dBu, nominal.
Impedance: < 33 Ohms (x2)
XLR male
AES/EBU Digital I/O (rackmount version only)
Sample rates supported: 32, 44.1 and 48kHz
Rate conversion: Input and output independently selectable. Can be bypassed.
Input clock: From external source or Telco clock.
Output clock: From transmission sample rate, external source, or AES/EBU input.
Inverse Multiplex/Demultiplex
Internal channel splitting/combining of two network channels for stereo modes.
AAC: Telos Zephyr™ protocol.
AAC-LD: Telos Zephyr™ protocol.
Layer-3: FHG/Telos Zephyr™ (Buchta) protocol.
Layer-2: CCS CDQ™ protocol compatible.
Optional V.35/X.21 Direct Digital Interface
Two ports, both V.35/X.21. Automatically selected when the appropriate cable is connected.
ISDN Interface
Compatible with National ISDN, AT&T 5ESS custom, Northern Telecom DMS-100 custom, Siemens EWSD, INS 64(Japan) and EURO-ISDN (ETS-300). Compatibility and approval pending in some countries; contact Telos for current status.
LAN Interface
100Base-T Ethernet port using RJ-45 connector. Full Duplex Supports TCP/IP (HTML, Telnet and FTP).
ISDN Voice Telephone Mode
Two channels using G.711 standard, μ-Law or A-Law. 300–3,400Hz. DTMF signaling provided (CCITT standard).
Remote Control and Ancillary Data
RS-232 9-pin D-Sub female (DCE): Asynchronous; 8 data, no parity, 1/2 stop, 2400-57,600 bps.
100Base-T Ethernet port using RJ-45-style connector using Telnet or web browser (HTML).
Shipping:
Buyer pays all shipping costs via UPS Ground Services (Other UPS services available upon request.) and charges are calculated upon the weight of the item and the cost of shipping/handling to your location from Chicago, Illinois. Shipment is within the USA only.