Black Box 3600 User Manual
AT Commands
5-36
Modem 3600
Dial / Leased Line &L
&L
selects line operation as required:
Dial Backup *DB
Return to Leased Line from Dial Backup *LB
During dial backup operation, *LB makes the modem return to leased
line operation.
line operation.
During leased line operation with forced answer enabled, *LB makes
the modem wait for a dial backup call.
the modem wait for a dial backup call.
Manual Dial Backup *LD
*LD
dials the autodial number if the modem is in originate mode with
manual dial backup selected. Available in leased line operation only.
Answer / Originate *OR
*OR
forces the modem to answer or originate mode. This option is used
during 2- and 4-wire leased line operation with error correction and/or
dial backup.
dial backup.
Leased Line Transmit Level *TLn
Command
Operation
&L
Dial (switched)
&L1
Leased (private) 2-wire
&L2
Leased (private) 4-wire
Command
Operation
*DB
Manual dial backup operation
*DB1
Automatic dial backup operation
Command
Operation
*OR
Force originate
*OR1
Force answer
Command
Operation
*TLn
Sets leased line TX level to n where n is a number 0
through 30 corresponding to a TX level of 0 to -30
dBm
through 30 corresponding to a TX level of 0 to -30
dBm