Specifications

Net-2000™ VCU Users Manual
Version 4.0, December, 2013
VCU Speci
fications
RS-422 Asynchronous
Type RS-422 differential
Connector RJ-45
Pin 1
Figure 33 RS-422 Asynchronous Pin 1
Two Net-2000™-VCU units can be connected together using the RS-422 Asynchronous connection and a
crossover CAT5 cable.
Net-2000™-VCU RS 422 Asynchronous Serial Port Pin Out
(as view from the back of the unit)
Pin Number Description Polarity
1 Tx positive
2 Tx negative
3 Rx positive
4 NC
5 NC
6 Tx negative
7 NC
8 NC
Table 57 RS-422 Asyncronous Serial Port Pin Outs
7.2 Audio I/O Connections
2-Wire
Analog 2 Wire Input / Output:
Type: Deferential
Connector: RJ-11 6P2C
Input /Output Impedance: 600 Ohms
Bandwidth: 300 Hz to 3300 Hz
A/D,D/A Resolution: 16 bits
A/D,D/A Sampling Rate: 8 kHz
Line In
Type Single-ended 4 Wire Input
Connector female RCA
Maximum Input Level: +/- 2.45 Volts
Input Impedance 10 kOhms
Bandwidth 20 Hz to 4 kHz
D/A Resolution 16 bits
D/A Sampling Rate 8 kHz
Note: A 1.414 V signal on the line input produces digital max when
the codec input gain is 0 dB.
(Subject to Change) Page 62
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