Comtech EF Data C5 - Manual (Page 177)

C5/K1/K3 Integrated Satellite Terminal System Operation
Rev. 0 4–51
4.1.3.11.3 Utility Interface
Refer to Figure 4-17.
TX OVERHEAD TYPE Select NONE or ASYNC for TX overhead type.
Upon entry, the operational status may be changed. Press [
$] or [%] to
make the selection. Press [ENTER] to execute the change.
Note: Overhead types are selectable only when Custom is selected for
modem type.
RX OVERHEAD TYPE Select NONE or ASYNC for RX overhead type.
Upon entry, the operational status may be changed. Press [
$] or [%] to
make the selection. Press [ENTER] to execute the change.
Note: Overhead types are selectable only when Custom is selected for
modem type.
TX TERR INTERFACE Displays the TX interface type EIA-232, EIA-422, or V.35.
Upon entry, the operational status may be changed. Press [
$] or [%] to
make the selection. Press [ENTER] to execute the change.
Note: G.703 is available only when the overhead interface PCB is
installed.
RX TERR INTERFACE Displays the TX interface type EIA-232, EIA-422, or V.35.
Upon entry, the operational status may be changed. Press [
$] or [%] to
make the selection. Press [ENTER] to execute the change.
Note: G.703 is available only when the overhead interface PCB is
installed.
BUFFER PROGRAM Buffer unit program function. Select MILLISECONDS or BITS.
Upon entry, the operational status may be changed. Press [
$] or [%] to
make the selection. Press [ENTER] to execute the change.
Note: To have the modem calculate the plesiochronous shift, set the
buffer units to MILLISECONDS. For a specific buffer depth, set the
buffer units to BITS.
FRAMING STRUCTURE Displays the currently selected framing type and structure of the data.
This function is used with the buffer program in ms for plesiochronous
buffer slips.
Upon entry, the framing type (T1 or E1) is displayed on Line 1. The
framing structure of each type (None or G.704) is displayed on Line 2.
Press [
"] or [#] and [$] or [%] to select framing structure and type.
Press [ENTER] to execute the change.
RTS TX-IF CNTRL Programs the modem to allow a Request To Send (RTS) signal to
enable the output when data is ready for transmission.
Upon entry, press [
$] or [%] to make the selection. Press [ENTER] to
execute the change