Audio Port Speci Cation; Pin Assignments Of Audio Port Signals (Ep1 / Ep2) - NetModule NB3000-Line-Hd User Manual

Audio Port Speci cation (Option A)
The Audio port has the following speci cation:
Feature
Protocol
Input impedance
Input bandwidth
Input galvanic isolation to enclo-
sure
Output impedance
Output bandwidth
Output galvanic isolation to enclo-
sure
Max. cable length
Cable shield
EP Pins
1 / 5
2 / 6
3 / 7
4 / 8
Table 3.21.: Pin Assignments of Audio Port Signals (EP1 / EP2)
NB3000-Line-Hd User Manual 4.2
Speci cation
Audio Line In/Out
44 kΩ, signal level 2 V
100 Hz- 15 kHz
functional (max. 250 V
100 Ω, signal level 2 V
300 Hz- 4 kHz
functional (max. 250 V
30 m
mandatory
Table 3.20.: Audio Port Speci cation
Signal
Input Channel +
Input Channel
Output Channel
Output Channel +
21
pp
)
DC
pp
)
DC