Comtech EF Data DM240XR User Manual
Page 33
DM240XR High-Speed Digital Modulator
User Interfaces
MN-DM240XR– Revision 13
4–11
INTERFACE TYPE:
{ASI/Advanced ASI, HSSI, M2P Parallel, DVB Parallel
(RS422 or LVDS), RS530/RS422 Serial, Ethernet 100/1000
Base-T, Direct TV PECL}
Enter the Terrestrial Interface type.
Only the Interface types that are installed may be selected. The Ethernet
Interface will add additional menus that are identified in section 4.2.3.2
TERR FRAMING:
DVB-S:
{DVB 188, DVB 204, NONE}
Terrestrial framing for DVB-S allows the user to choose framing
packet.
DVB-S2: {DVB 188, DVB 204, NONE}
DVB-S2L {CCM uses DVB 188 or NONE}
DVB-S2: {ACM uses DVB 204}
DTV
{DIRECTV}
DATA POLARITY
{NORMAL, INVERTED}
Allows the data to be used as is or to be inverted.
INCLK SRC
{SCTE, SCT}
Input Clock Source – Allows the user to choose between an
internal (SCT) and external (SCTE) clock sources.
INCLK POL
{NORMAL, INVERTED}
Input Clock Polarity – Allows the user to use the input clock
signal as is or to invert it.
OUTCLK SRC
{“Status Only”}
When used with G.703, the user may choose between an internal
(SCT), external (SCTE), or no output clock sources. All else
provides status only.
OUTCLK POL
{NORMAL, INVERTED}
Output Clock Polarity – Allows the user to use the output clock
signal as is or to invert it.
REF FREQ SRC:
{Internal, External}
Reference Frequency Source – Allows the user to select either an
internal or external reference source.
EXT REF ( MHz):
External Reference Frequency:
Enter the External Reference Frequency in 8 kHz steps from
0.256 MHz to 10 MHz.
IMPORTANT