Comtech EF Data DMD50 Installation And Operation Manual page 99

DMD50 Universal Satellite Modem
DIFF CODING
SCRAMBLER SEL
SCRAMBLER CTRL
SAT FRAMING
IN-BAND RATE
SCC CTL RATIO
SCC INBAND RATE
TERR FRAMING
DATA POLARITY
SYMBOL PAIR
ESC OVERHEAD
MN-DMD50– Revision 3
Allows the user to disable or enable TPC Interleaver. Valid only
for Radyne turbo codes TPC.495 and TPC.793.
{ENABLED, DISABLE}
Allows the user to enable or disable the Differential Decoder.
Having the decoder enabled ensures proper phase lock. May not
be adjustable in some modes.
{NONE, V.35-IESS, V.35 CITT, V.35 EF, IBS w/Optional
Framing and optional Reed-Solomon, Reed-Solomon
Scrambler w/Optional Framing, CCITT, V.35FC, OM-73,
V.35EF_RS, TPC SCRAMBLER (Turbo Codec), DVB,
EDMAC}
Allows the user to select the descrambler type.
{ON, OFF}
Allows the user to enable or disable the descrambler operation.
{1/15 (IBS), 1/15 (Async), 96 Kbps (IDR), EDMAC,
EFAUPC, SCC, EFFICIENT D&I, None}
Used with IDR, IBS, or Asynchronous Interface Only.
Allows the user to select the Framing Type.
{150, 300, 600, 1200, 2400, 4800, 9600, 19200}
Allows the user to select the rate of in-band data for the ES to
ES, Async overhead channel. Only displayed when Effiecient
D&I with Esc Enhanced are selected.
{1/1, 1/2, 1/3, 1/4, 1/5, 1/6, 1/7}
Allows the user to 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.
Only displayed when SCC Framing is selected.
{300 to 200000},
Allows the user to request the rate of in-band data for the
overhead channel.
Only displayed when SCC Framing is selected.
{NONE, 188, 204}, when using DVB Network Spec
{INV. TERR & BASE, INV. BASEBAND, INV.TERR
DATA, NONE}
Allows the user to invert the Rx Data polarity.
{NONE, SWAPPED}
Allows the user to swap the I & Q Channels, when using BPSK
Modulation.
{VOICE X2, DATA 64KBPS}
IDR ESC Channel used for Voice or 64 K data channel.
Only available when IDR Network is selected.
User Interfaces
4–15