Digicom 3910, 3911 operation manual 14-19

AT Command Set and S-Registers

Table 14-3

(5 of 13)

391x Series S-Registers

S-Register		Description	DCP LCD
			Command
			Sequence
S47	Auto Dial Standby. Register determines if the modem performs an		Configure\Edit\
	automatic dial standby if in Dial Backup mode.		Leased Line
	Register has the following values:
	0	= Disable
	1	= 15 minutes
	2	= 1 hour
	3	= 4 hours
	4	= Test(2min)
	5	= Adv 15min
	6	= Adv 30min
	7	= Adv 1 hr
	8	= Adv2minTest
	The factory setting is Disable.
S48	Leased-Line Carrier On Level. Register determines if the modem		Configure\Edit\
	disconnects if the carrier signal on leased lines falls below –26 dBm or		Leased Line
	–43 dBm.
	Register has the following values:
	0	= –43 dBm
	1	= –26 dBm
	2	= –33 dBm
	The factory setting is country dependent (usually –43 dBm). In France,
	the factory setting is –26 dBm in 4-wire operation and –33 dBm in
	2-wire operation.
S49	Buffer Disconnect Delay. Register determines how long the modem		Configure\Edit\
	continues to transmit data stored in its buffers when the modem is		V42/MNP/Buffer
	commanded to disconnect by a locally attached DTE.
	Enter a value from 0–255 seconds. (A value of 0 disables this
	register.) The factory setting is 10 seconds.
S51	DTE RL (CT140). Register determines if the modem performs a		Configure\Edit\
	remote digital loopback if it receives a CT140 signal from the DTE.		Tests
	Register has the following values:
	0	= Disable
	1	= Enable
	The factory setting is Disable.
S52	DTE LL (CT141). Register determines if the modem performs a local		Configure\Edit\
	analog loopback if it receives a CT141 signal from the DTE.		Tests
	Register has the following values:
	0	= Disable
	1	= Enable
	The factory setting is Disable.

3910-A2-GN32-40 September 1998 14-19