User Interfaces
DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
4-8
TM075 – Rev. 1.3
Symbol Pair:
{Normal, Swapped}
Available in BPSK Modulation.
Reed-Solomon (menu):
DmdRS Enable:
{Enable Disable}
Enables or disables the Reed-Solomon Decoder
DmdRS Codes:
{Any valid n/k values can be entered (refer to
Appendix A)}
Displays the currently used n, and k Reed-Solomon
Codes. In Closed Net Mode, custom RS Codes may be
selected.
DmdRS Depth:
{4, 8}
Displays the currently used Reed-Solomon Interleaver
Depth. In Closed Net Mode, a depth of 4 or 8 may be
selected.
4.2.4 Interface Menu Options and Parameters
General (menu):
EXC Clk Freq:
{1.0, 1.544, 2.0, 2.048, 2.5, 5.0, 9.0, 10.0}
Displays the external clock frequency in MHz.
Freq Ref Src:
{Internal, External}
Allows the user to select between an internal and
external frequency source.
Ext. Ref Freq:
{1 – 10 MHz, 1 MHz steps}
Allows the user to enter the external reference
frequency.
Intf Type:
Displays the interface type installed.
Tx Setup (menu):
Tx Ckt ID:
Allows the user entry of a Tx Circuit Identifier. Circuits
can be given up to an 11 character alphanumeric
identity such as LINK1.
Tx Clock:
{SCTE (Ext), SCT (Int)}
Allows the user to select the clock source.
Clk Polarity:
{Normal, Auto, Inverted}
Allows the user to select the Tx Clock Polarity.
SCT Source:
{Internal, Ext. BNC, SCR}
Allows the user to select the Tx SCT Source.
Tx Terr Intf:
{RS-422, V.35, RS-232}
Allows the user to select the Transmit Interface Type.
Not available when G.703 Interface Type is installed.
TxAnsync Port:
{RS-485, RS-232}
Allows the user to select the Transmit Async Port type.
