Logitek Electronic Systems JetStream Audio Networking Platform - Manual (Page 43)

Appendix B Specifications
General
Card slots: 1 Audio processor, 1 Network processor, 1 GPIO, 8 Audio I/O
Local audio I/O: 64 channels max (mono RJ-45) on 8 I/O cards
112 channels max (mono DB-25) on 8 I/O cards
Power: 95 - 120 volt or 220-240 volt, 47-63 Hz single phase (25 watts maximum)
Backup power: Connection for external backup PSU
Start up time: 3 sec to local audio, 120 sec to networked audio
Cooling: Convention only, requires 1RU empty space above unit
Environmental: 10
oC – 38 oC , 10 – 90% RH (non-condensing)
Dimensions Actual - 19“ w x 11.5” d x 3.5” h (2RU) (48.2 cm w x 29.2 cm d x 8.9 cm h)
Weight fully loaded - 10 lbs.
Audio Processor Card
DSP: 32 bit floating point processing
Mixing: 36 channels (stereo) shared between 1 to 4 consoles
EQ & Dynamics: 24 channels allocated to either inputs or outputs
Profanity delay: 2x delays, 9 sec stereo each
Mix-Minus outputs: 24 channels mono, may be combined for stereo
0 VU Reference Level: -20 or -18 dBFs
Factory default reference: 0VU = +4 dBu = -20 dBFs (+20 VU = +24 dBu = 0 dBFs)
Internal sampling rate: User selectable 32K, 44.1K, or 48K (Sample/Sec)
External sync input: AES3-1992 or word clock, 44.1k or 48K (Sample/Sec)
Console connections: 4 serial ports with activity indicators
GPIO Card
Inputs: 12 channels
Input level: +3.3 volts, ground to activate, reverse voltage and over voltage protected
Outputs: 16 channels
Outputs format: optical isolated relay, non-polarized (50 volt, 500 milliamp max load)
Functionality: assigned in setup program
Microphone Input Cards
Number of Channels: 4 microphones (RJ) or 8 microphones (DB)
Connectors: 4 StudioHub format RJ-45 sockets with audio presence & phantom power indicators
or 1 DB-25 with audio presence indicators
Phantom power: +48 volts switched via software
Normal input level: -65 to -30 dBu, rear panel trim-pot adjustable
Input impedance: 4k ohms balanced
Common mode rejection ratio: -90 dB (1 kHz)
THD+N: .01% (-35 dBu input, +4 dBu output, 20 Hz to 20 kHz)
Frequency response: +/- .2 dB (20 Hz to 20 kHz)
Equivalent input Noise: < -124 dB (-60 dBu input, +4 dBu output, 20 Hz to 20 kHz)
Conversion resolution: 24 bits
Logitek JetStream MINI Reference Manual 43