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DataTalker Owner’s Manual
The Local Interface Type option configures the local voice/fax channel interface. The options
are for an FXS, FXO, or E&M interface. When the voice/fax channel is connected to a telephone
set or fax machine, the local interface type must be FXS. When the voice/fax channel is
connected to the station side of a PBX, the local interface type must be FXO. When the voice/fax
channel is connected to a PBX E&M trunk, the local interface type must be E&M. When the local
DataTalker is configured for an FXO interface, the remote DataTalker must be configured for an
FXS interface. FXS to FXS is another local-to-remote interface. When used to connect PBXs,
both local and remote DataTalkers must be configured for E&M.
The Ground/Loop Start (FXS) option selects between ground start and loop start. Select
Ground when the DataTalker local interface type is FXS ground start and the remote interface is
E&M wink. The default is Loop.
The 2 or 4 Wire (E&M) option selects how the DataTalker is connected to the PBX E&M trunk.
The choice is between 2- and 4-wire connections. The default is 4 Wire.
The Dialtone/Wink (E&M) option slects between dialtone and wink signals when the interface
type is E&M. The default is Dialtone.
The Wink Timer (E&M) option is used in the E&M interface to delay the sending of address
information from the remote MultiMux. The wink timer range is from 100 to 350 milliseconds. The
default delay is 250 ms.
The Remote Interface Type option informs the local voice/fax channel of how the remote
channel may be configured. The options are for an FXS, FXO, or E&M interface. Caution: This
option does not actually change the remote interface. You may have to contact the remote site for
verification of its actual interface. When the remote voice/fax channel is connected to a telephone
set or fax machine, the remote interface type must be FXS. When the remote voice/fax channel
is connected to the station side of a PBX, the remote interface type must be FXO. When the
remote voice/fax channel is connected to a PBX E&M trunk, the remote interface type must be
E&M. If the remote DataTalker is configured for an FXO interface, the local DataTalker must be
configured for an FXS interface. FXS to FXS is another remote-to-local interface. When used to
connect PBXs, both local and remote DataTalkers must be configured for E&M. If erratic voice/
fax operation is noticed, the remote interface may be incorrectly set at the local DataTalker.
The Ground/Loop Start (FXS) option selects between ground start and loop start. Select
Ground when the DataTalker local interface type is FXS ground start and the remote interface is
E&M wink. The default is Loop.
The 2 or 4 Wire (E&M) option selects how the DataTalker is connected to the PBX E&M trunk.
The choice is between 2- and 4-wire connections. The default is 4 Wire.
The Dialtone/Wink (E&M) option slects between dialtone and wink signals when the interface
type is E&M. The default is Dialtone.