a.2 DTR Signal: OFF for both, calling and called DTE

With Voice Call in progress:

lDepress DT key.

lDepress DT key again.

b. Called party depresses DR key.

b.1 DTR Signal:

ON for calling DTE OFF for called DTE

With voice call in progress:

lDepress DT key.

Called party depresses DR key.

lDepress DT key.

DTR signal from calling DTE goes off.

Called party depresses DR key.

SAMPLE LED INDICATIONS

green LED is lit steady.

clDT red LED goes off.

ElEXT green LED is lit steady.

green LED flashes.

uDT red LED lights.

red LED goes off.

400-96

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NEC nd-20292 manual 400-96