Everlz 7707DT, Manual

Page: 24 / 38

7700 MultiFrame Manual
7707DT RS-232/422/485 Fiber Data Transceiver
Page - 18
Revision 1.8
4.2.4. Selecting the Serial Data Type
The 7707DT provides four channels of serial data that are selectable as RS-422 or RS-485. Selection of
the data type is done using the card-edge interface or through
Vista LINK
®
control.
To select the serial data type, select the
CTRL
menu item in menu level 1. The 7707DT allows the data
type to be set independently for each channel. Use the toggle switch to choose the channel to which the
selection will be applied. Press the pushbutton to apply the displayed selection.
CTRL
CH01 to CH04
CH01 to CH04
Range of RS-422/485 channels.
Use the toggle switch to select the
TYPE
menu item and press the pushbutton. The toggle switch may then
be used to select the desired data type. Press the pushbutton to apply the displayed selection and return
to menu level 3. You can select other items on menu level 3, or select the
BACK
menu item to return to
menu level 2.
CTRL
CH01 to CH04
TYPE
RS422
RS485
422
Data type is RS-422.
485
Data type is RS-485.
The factory default configuration selects the data type as RS-422.
4.2.5. Selecting the Serial Data Rate
While the data type is selected as RS-485, the 7707DT provides a data rate selection for the respective
channel(s). This selection should match the RS-485 data rate used for the specific application, and applies
the correct network timeout for the signal driver. Selection of the data rate is done using the card-edge
interface or through
Vista LINK
®
control.
To select the RS-485 data rate, select the
CTRL
menu item in menu level 1. The 7707DT allows
independent terminations to be set for each channel. Use the toggle switch to choose the channel to
which the selection will be applied. Press the pushbutton to apply the displayed selection.
CTRL
CH01 to CH04
CH01 to CH04
Range of RS-422/485 channels.
Use the toggle switch to select the
RATE
menu item and press the pushbutton. The toggle switch may then
be used to select the desired data rate. Press the pushbutton to apply the displayed selection and return
to menu level 3. You can select other items on menu level 3, or select the
BACK
menu item to return to
menu level 2.