COMSPHERE 3800Plus Modems
8-28 October 1998 3980-A2-GB30-40
Leased Line
The Leased Line configuration options are used to
configure the modem for operation over leased lines.
NOTE
The Leased Line configuration
group only appears if the
modem is configured with the
Sync Leased factory preset
template.
The Leased Line configuration group only appears if
the modem is configured with the Sync Leased factory
preset template.
Table 8-5 shows each Leased Line configuration option
as it appears on the LCD, with the Async Dial factory
default setting (the default value if the modem is just
being installed) shown following the colon (:) on the first
line and with all available selections listed on the second
line. Following this is a description of the configuration
option, a description of the available selections, and any
equivalent AT commands.
Table 8-5
(1 of 5)
Leased Line Configuration Options
*Leased Mode: Disable
Nxt Disable 4 Wire-Orig 4 Wire-Ans 2 Wire-Orig 2 Wire-Ans
Leased Mode. Sets the modem for either 2-wire or 4-wire operation in Answer mode (receiving a call) or 2-wire or 4-wire
operation in Originate (initiating a call) mode.
NOTE: For proper operation over leased lines, one modem must be set for Originate mode, and the other modem must
be set for Answer mode.
For Sync Leased Answer Mode, 4-wire, Answer is the factory default.
For Sync Leased Originate Mode, 4-wire, Originate is the factory default.
AT command equivalent is &L
n
.
*Modulation: V34
Nxt V34 V32bis/terbo V22bis V29/V33
Modulation determines the modem’s primary leased line modulation group: V.34; V.32bis and V.32
terbo
; V.22bis; or V.29
and V.33 (if installed).
The factory default is V34 (V.34 modulations).
*This configuration option is only available if the Sync Leased factory preset template is selected.