Switch S1-3: Circuit Assurance
On dedicated circuits, the transmitter and the CTS output can be
configured to go on only when a working communication circuit is
established. If Circuit Assurance is used, enable it on only one end of
the communication link.
Circuit
S1-3
Assurance
Description
On
Enabled
CTS will go low and the
transmitter will be held off if the
receiver is in the No Signal state
or CD is low
Off
Disabled
The transmitter and CTS will
operate without regard to the
receiver state
Switch S1-4: RTS Control
The RTS input can be forced on, ignoring the terminal's RTS
signal. RTS controls the transmitter by either sending the user’s data
or sending an idle code.
S1-4
RTS
Description
On
Forced On
Transmitter is always ON
Off
Follows
The RTS input controls the
DTE Signal
transmitter
Switch S1-5: Data Rate
This switch controls the data rate on the line (RJ-48S port) and
should match the speed of your digital service.
S1-5
Setting
Off
56 Kbps
On
64 Kbps
NOTE: Power must be cycled off and then on to reset the Data
Rate.
Switch S1-6: Front Panel Switch Enable/Disable
Switch S1-6 determines whether the front panel switches may be
used to perform diagnostic functions.
S1-6
Activation
Description
Off
Enabled
Front panel switches may be used
to activate/terminate diagnostics
On
Disabled
Front panel switches will have no
effect on operation of the unit
Switch S1-7: DTE Loop Request Line Enable/Disable
The setting for switch S1-7 determines whether the front panel
switches (and DTE lines) can be used to activate/terminate the
loopback diagnostic modes and BER test patterns.
DTE TM Line
S1-7
Activation
Description
Off
Enabled
DTE Loop request line switches
may be used to activate/terminate
diagnostics.
On
Disabled
DTE loop request lines will
have no effect on operation of
the unit.
Switch S1-8: Receive RDL Enable/Disable
Switch S1-8 determines whether or not the unit will respond to
loop requests from the remote device.
S1-8
Activation
Description
Off
Enabled
Unit will respond to loop requests
from the remote device.
On
Disabled
Unit will ignore loop requests from
the remote device.
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