Nortel Networks manual Describes the V.34 Modem adapter module LEDs, Meaning

V.34 Modem Adapter Module Supplement

Table 1-2 describes the V.34 Modem adapter module LEDs.

Table 1-2.	V.34 Modem LEDs
LED		Meaning
TX (Transmit)		Lights when the V.34 modem interface transmits data over the
		network.
RX (Receive)		Lights when the V.34 modem interface receives data from the
		network.
RLSD (Received Line		Lights when the modem activates.
Signal Detection)
DTR (Data Terminal		Lights when the V.34 modem interface is ready to transmit data.
Ready)

Note: Adapter module LEDs blink on and off during diagnostic testing, but the new V.34 Modem LEDs do not indicate data transfer until you have configured and enabled the software services.

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