Comtech EF Data ODM-840 - Manual (Page 117)

ODM/R-840 Outdoor Remote Router Revision 0
Ethernet-based Remote Product Management MN-ODM840
5–29
5.4.4.3.3.2 Configuration | Mod | ACM
VersaFEC ACM requires Version 1.3.1 (or higher) firmware, and the appropriate
FAST code for the maximum operating symbol rate.
Use this page to configure ODM/R‐840 ACM (Adaptive Coding Modulation) operations.
Figure 6‐14. Configuration | Mod | ACM page
Tx ACM Control
• ACM Enable – Use the drop‐down menu to Disable or Enable ACM operation.
With ACM set to Enable, the Configuration | Mod | Config page updates to
disable manual configuration of the Data Rate parameter
• Max MODCOD – Use the drop‐down menu to select the maximum Modulation type and FEC
rate (MODCOD). The available selections are:
o
VersaFEC MODCOD 0 – BPSK 0.488
o
VersaFEC MODCOD 6 – 8-QAM 0.711
o
VersaFEC MODCOD 1 – QPSK 0.533
o
VersaFEC MODCOD 7 – 8-QAM 0.780
o
VersaFEC MODCOD 2 – QPSK 0.631
o
VersaFEC MODCOD 8 – 16-QAM 0.731
o
VersaFEC MODCOD 3 – QPSK 0.706
o
VersaFEC MODCOD 9 – 16-QAM 0.780