NB2800
User Manual for NRSW version 4.5.0.100
Audio Port Specification (Option A)
The Audio port has the following specification:
Feature Specification
Protocol Audio Line In/Out
Input reference level 0dBFS Signal level 1.9 Vpp
Input Impedance 21 kΩ
Input bandwidth 100 Hz- 15 kHz
Input galvanic isolation to enclosure functional (max. 100 VDC)
Output voltage @ 0dBFS 600 Ω, signal level 3.7 Vpp
Output bandwidth 300 Hz- 4 kHz
Output galvanic isolation to enclosure functional (max. 100 VDC)
Max. cable length 30 m
Cable shield mandatory
Connector type RJ45
Table 3.19.: Audio Port Specification
Pin Signal
1 Input Left Channel +
2 Input Left Channel −
3 Input Right Channel +
4 Output Right Channel +
5 Common Output Right Channel −
6 Input Right Channel −
7 Output Left Channel +
8 Common Output Left Channel −
Table 3.20.: Pin Assignments of RJ45 Audio Connector
Note: In the case of mono operation the left channels are used.
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