User manual
CHAPTER 3 : FRONT PANEL AND MENU TREE
3.5.8 LINE SETUP MENU
Item Name Command Description
Line Type
AT&Ln Select line type and also set dial back-up function.
Dial Line AT&L0
/Dial line.
2W Leased AT&L1
/2 wire leased line.
4W Leased AT&L2
/4 wire leased line.
Leased to Dial
ATS31=n
Auto dial back-up control while leased line is out of
service.
Manual (bit0) \Manual control (default)
Auto
/Auto dial back-up.
Backup Tel.
Select backup telephone number #n (n=0~9)
No dial backup
/Disable backup function (default)
#0 nnnn .. to #9 nnnn
/Enable backup function and make a choice of the
phone number group.
Backup Speed
ATS55=n
Select modem speed used in the auto dial backup mode.
V34 Adapt to V21 300 \(default =V.34 288)
Dial To Leased
ATS31=n
Select whether return to leased line automatically or not
during dial back-up mode.
Manual (bit1) /Manual control (default)
Auto
/Return to the leased line automatically when leased line
is recovered.
D to L Timer
ATS36=n
When operate in dial back-up mode, to select how long
it will take to detect if the leased line is recovered or
not.
Forever /No dial to leased
1..255 mins. \(default = 60 minutes)
Dial To Dial
ATS42=n
( bit 3 )
When dial line is in use (excluding dial back-up mode),
the line can be restored by auto-redial after line
disconnection.
Off
/Disable (default)
On /Any abnormal line disconnection shall automatically
redial to connect.
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