Paradyne 3810 manual Model 3820 DCP LEDs, Sdcp LEDs, BckUp, Test

DCP Operation

DCP LEDs for the standalone Model 3820 are listed and described in Table 4-2.

The SDCP LEDs are listed and described in Table 4-3.

		Table 4-2
		Model 3820 DCP LEDs
Label	Color	Indicates
RTS/105	green	RTS signal is ON.
CTS/106	green	CTS signal is ON.
TXD/103	green	The modem is receiving data from the DTE to transmit. (ON equals space.)
LSD/109	green	The modem receiver has detected a valid carrier signal and is capable of transferring data to
		the DTE.
RXD/104	green	Data is being transferred to the DTE. (ON equals space.)

SQ

yellow

The receive telephone line signal is degraded.

		Table 4-3
		SDCP LEDs
Label	Color	Indicates
OK	green	Power is ON and the modem is capable of operating.
Alrm	red	The modem has detected a problem with its operation. For example, the modem failed a
		self-test.
BckUp	yellow	The modem, originally configured for leased-line operation, is now operating on dial
		networks in a Dial Backup mode.
Test	yellow	The modem is involved in a test. Normal operation is not possible.
EC	green	Modem is in Error Control mode.

3810-A2-GB30-20 November 1996 4-5