Paradyne 392xPLUS Table B-2, Leased-Line Operation, Table B-3, Dial Backup Operation

COMSPHERE 392xPlus Modems

	Table B-2
	Leased-Line Operation
Symptom	Action
The modems do not train-up on	Verify that the correct cabling is used for your application. Refer to Chapter 2,
leased lines.	Modem Installation.
	Verify that one modem is configured for Answer mode and the other is
	configured for Originate mode. (For TMp operation one modem must be
	configured as a control modem and the other as a tributary modem.)
	Verify that both modems are using the same modulation scheme.
	Verify that both modems are configured for the appropriate leased-line mode.
	For example, if you have a 4-wire leased line, then the modems must be
	configured for 4-wire operation.

	Table B-3
	Dial Backup Operation
Symptom	Action
The dial backup line is present, but	Verify that the correct telephone number for the remote modem is stored in
the modems cannot connect.	directory location 1.
	Verify that both modems have the Auto Dial Backup configuration option set to
	Enable. Refer to Leased Line in Chapter 4.
	Call the answering modem with a handset and verify that the modem's answer
	tone is transmitted.
The modem does not switch back to	Verify that the Auto Dial Standby configuration option is enabled. Refer to
leased-line operation.	Leased Line in Chapter 4.

B-2 November 1996 3920-A2-GN31-30