Grass Valley Adder II - Manual (Page 37)

33
Specifications
General
Data Transmission Method ........................ Digital Time Division Multiplexing (TDM)
Aggregate Data Rate .............................................................. 75 or 125 Mbps (selectable)
Latency......................................... ~1 millisecond plus 5 microseconds per km of fiber
Interchannel Phase Delay........................................................................<1 degree at 1kHz
Optical Fiber Connectivity
Operating Wavelength .................................................................... 1310 nm and 1550 nm
Fiber connector .................................................................................................................ST type
Recommended fiber type .................................................................................. Single mode
................................................................................ 2-fiber system 1-fiber (WDM) system
TX Output into cable ...................................................................................... -7 dBm -8 dBm
RX Sensitivity..................................................................................................-32 dBm -31 dBm
Link budget (maximum) ................................................................................... 23 dB - 25 dB
Recommended distance limit...................... 20 km (singlemode), 5 km (multimode)
Coax Connectivity
Impedance ...................................................................................................................... 75 Ohms
Recommended cable .........................................................................................Belden 1694A
Connector..................................................................................................................................BNC
Distance limitation.............................................................................305 meters (1000 feet)
Audio, Analog...........................................................................................................
Analog Audio Connectors .............................. 3-pin XLR (female on TX & male on RX)
Transmission Method..................................................... Digital, 24-bit, 48 ksamples/sec
Input Impedance, Analog.....................................................................10k Ohms balanced
Output Impedance ................................................................................... 30 Ohms balanced
Line Input Setting............................................................................................+24 dBm (peak)
Maximum Input Level ...................................................................................................................
Unity Gain (0 dB)...................................+18 dBM peak / +24 dBm peak (selectable)
+10 dBM Input Setting ........................................... + 8 dBM peak / +14 dBm peak
+20 dBm Input Setting............................................- 2 dBM peak / + 4 dBm peak
+30 dBm Input Setting............................................- 12 dBM peak / - 6 dBm peak
+40 dBm Input Setting........................................... - 22 dBM peak / - 16 dBm peak
+50 dBm Input Setting........................................... - 32 dBM peak / - 26 dBm peak
Maximum Output Level

(from 30 Ω balanced)................+18 dBm @ 1kHz, 600 ohm, switchable to +24 dBm
Frequency Response (@ 8 dBm).......................................±0.2 dB from 20 Hz to 20 kHz
Total Harmonic Distortion + Noise......... <0.05% from 20 Hz to 20 kHz (@ +8 dBm)