1 ebem network spec parameters, 2 scc framing parameters – Comtech EF Data DMD-2050E User Manual
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DMD2050E Universal Satellite Modem
User Interfaces
MN-DMD2050E Revision 2
4–8
DATA MENU
TERR FRAMING
{NONE, 188, 204}
DVB Only
DATA POLARITY
{INV. TERR & BASE, INV.
BASEBAND, INV.TERR DATA,
NONE}
Invert the Tx Data polarity.
BPSK SYMBOL PAIR {NORMAL, SWAPPED}
BPSK Mode Only
Swap the I & Q Channels.
ESC OVERHEAD
{VOICE X2, DATA 64KBPS}
IDR ESC Channel is used for Voice or 64 K data
channel.
4.4.1.4.1 EBEM NETWORK SPEC Parameters
IMPORTANT
When EBEM Network is selected, these parameters are available:
OVERHEAD CHAN
{OFF, 8K,16K, 24K, 32K, 40K,48K, 56K,
64K}
Select the overhead channel bandwidth.
EMBEDDED CHAN
{ENABLE, DISABLE}
Enable or disable the embedded overhead
channel.
ENCRYPTION
{ENABLE, DISABLE}
Enable or disable encryption mode
ETH RATE
{XXXXXXXXX}
Select Ethernet rate.
4.4.1.4.2 SCC FRAMING Parameters
IMPORTANT
When SCC Framing is selected, these parameters are available.
SCC CTL RATIO
{1/1, 1/2, 1/3, 1/4,
1/5, 1/6, 1/7}
Simulate the framing used by the Satellite Control Channel Option
(Pass Thru Mode only). The SCC CTL RATIO is the ratio of overhead
in-band data to synchronizing words.
SCC INBAND RATE
{300 to 115200}
when using SCC
Framing
Request the rate of in-band data for the overhead channel.