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C3468M (4/10) 15
4. If you plan to use the audio functions, install your audio cables into the audio line-in and line-out
connectors on the TXB-N.
NOTES:
• To take full advantage of the distance and noise immunity benefits of audio, you must use a
600-ohm impedance matching transformer and twisted pair cable (refer to Figure 10).
• A stable power supply is required for optimal audio performance.
Figure 10. Connecting Audio to the TXB-N
ì
Microphone
ó
Line-Out Audio Twisted Pair Cable
î
Amplifier
r
600-Ohm Impedance Matching Transformer
ï
600-Ohm Impedance Matching Transformer
s
Amplifier
ñ
Line-In Audio Twisted Pair Cable
t
Speaker