Belden Miranda NV8900 Series, User Manual

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21
NV8900
User’s Guide
NV8900 Analog Audio Specifications
NV8900 MADI Specifications.
Connectors
Serial Connector
The serial connector for all NV8900 MADI Interfaces has this pinout:
The connector is RS-485, female, but can be used as RS-422.
However, the port is unused and reserved for future expansion.
Specification Detail
Signal inputs Input level: 10–24 dBu.
Input impedance: > 20 k
W .
Input CMRR: > 90 dBu, at 60 Hz
.
Frequency response: < ± 0.2dB from 20Hz to 100kHz.
THD: –87 dB at 1 kHz, 20 to 20 kHz.
Crosstalk: > –100 dB, at 1 kHz.
SNR: > 106 dB, A weighted (20 Hz to 20 kHz).
Input connectors: DB25
.
Signal outputs Output level: 10–24dBu.
Input to output level variations: ± 1dB, nominal.
Frequency response: < ± 0.2dB from 20Hz to 100kHz.
Output impedance: 50
W
, nominal.
THD: –87 dB at 1 kHz, 20 to 20 kHz.
Crosstalk: > –100 dB, at 1 kHz.
SNR: > 106 dB, A weighted (20 Hz to 20 kHz).
Output connectors: DB25
.
Specification Detail
Connector BNC
Impedance 75
W
Input level 150 mV to 600 mV
Output level 600 mV
5
1
6
9
Gnd
TX–
RX+
Gnd
n.c.
Gnd
TX+
RX–
Gnd