CDM-625A Advanced Satellite Modem
MN-CDM625A
Front Panel Operation
Revision 4
6–17
6.2.1.3.4 CONFIG: Tx
FEC
Enc=Vit (Vit,Seq,TCM,TPC,LDPC,VFEC,ULL)
Reed-Solomon=On (Off, On) (
)
Use the
◄ ►
arrow keys to select
Encoder
or
Reed-Solomon
(or
Diff Encoder
– see Note 1
below). Press
ENTER
.
On the top line
– Use the
▲▼
arrow keys to select an available Encoder option (shown in
parentheses). Press
ENTER
. Valid selections are:
► None
(i.e., uncoded)
► Vit
(Viterbi)
► Seq
(Sequential)
► TCM
(Trellis Coded Modulation)
8-PSK Rate 2/3 only
(FAST option)
► TPC
(Turbo Product Codec)
(Hardware option)
► LDPC
(Low Density Parity
Check)
(Hardware option)
► VFEC (VersaFEC)
► VF2L
(VersaFEC-2 Long Block)
► VF2S
(VersaFEC-2 Short Block)
► ULL
(VersaFEC Ultra-Low Latency)
1)
When you select None as the Encoder setting, the bottom line of the display changes
from Reed-Solomon to Diff Encoder (Differential Encoding).
2)
The TPC (Turbo) and LDPC encoding selections appear only when you install the
TPC/LDPC hardware option.
On the bottom line
– When
Reed-Solomon
is selectable, use the
▲▼
arrow keys to select
On
or
Off
. Press
ENTER
.
CONFIG: Tx
FEC
Reed-Solomon On
Reed-Solomon Encoding =Standard(126/112)
(Standard(126/110),IESS-310(219/201)) (
)
Use the
▲▼
arrow keys to select one of the listed parameters. Press
ENTER
.
With this display active, depending on the Framing mode, valid selections are:
►
IESS-310, open or closed network
219/201
►
IBS or D&I
126/112
►
EDMAC or EDMAC2, closed network
200/180
►
IDR, open network
225/205, 219/201 or 194/178
►
ESC++ or D&I++, closed network
126/112
►
Unframed closed network:
○ Comtech standard
220/200
○ Legacy EF Data
225/205, with V.35 scrambling
Summary of Contents for CDM-625A
Page 2: ......
Page 4: ...ER CDM625A EA4 Rev...
Page 6: ...ER CDM625A EB4 Rev...
Page 8: ...ii BLANK PAGE...
Page 42: ...CDM 625A Advanced Satellite Modem MN CDM625A Preface Revision 4 xxxvi Notes...
Page 82: ...CDM 625A Advanced Satellite Modem MN CDM625A Installation Revision 4 2 6 Notes...
Page 118: ...CDM 625A Advanced Satellite Modem MN CDM625A Updating Firmware Revision 4 4 14 Notes...
Page 124: ...CDM 625A Advanced Satellite Modem MN CDM625A FAST Activation Procedure Revision 4 5 6 Notes...
Page 230: ...CDM 625A Advanced Satellite Modem MN CDM625A Front Panel Operation Revision 4 6 106 Notes...
Page 582: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix B Revision 4 B 46 Notes...
Page 638: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix F Revision 4 F 32 Notes...
Page 642: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix G Revision 4 G 4 Notes...
Page 666: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix K Revision 4 K 18 Notes...
Page 704: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix M Revision 4 M 24 Notes...
Page 712: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix M Revision 4 M 32 Notes...
Page 722: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix Q Revision 4 Q 2 Notes...
Page 738: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix R Revision 4 R 16 Notes...
Page 754: ...CDM 625A Advanced Satellite Modem MN CDM625A Appendix U Revision 4 U 6 Notes...
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