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3.2 Automatic Simultaneous Voice and Data
To use the ASVD function, simply plug a suitable handset or headset into the front
panel socket marked with a handset symbol. Voice and data communication will be
made automatically during the period that the modem is connected.
3.2.1 Using Simultaneous Voice and Data with Other Modems
Not all modems available support simultaneous voice and data functions. First ensure
that the other modem is capable of supporting this feature. Refer to the other
modem's handbook to see if it supports analogue or Audio Span voice and data.
NOTE:
It is highly recommended that the ASVD feature be always used when any on-line
changes are made to the PLC code. A risk of damage to equipment connected to the
PLC or even injury may occur if alterations are made to the program or data without
continuous voice contact with a local operator.
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