Comtech EF Data CDM-600/600L - Manual (Page 43)

CDM-600/600L Open Network Satellite Modem Revision 3
Introduction MN/CDM600L.IOM
1–15
there are two additional FAST options available that permit operation up to 10 Mbps or 20 Mbps.
Note that these are in addition to the base modem rate options.
In order to operate in 8-QAM mode: The modem will require the TPC/LDPC Codec to be installed
and have the 8-PSK / 8-QAM FAST option enabled.
For example, if LDPC operation at 20 Mbps, 8-QAM mode is required, the modem must be
configured with the following:
• TPC/LDPC Codec hardware option
• Full rate variable FAST option
• High-Rate LDPC FAST option
• 8-PSK /8-QAM FAST option
1.3.13 Supporting Hardware and Software
SatMac Complete Systems Operation
The CDM-600/600L is supported by Comtech EF Data’s SatMac software, a Windows TM -based
application that provides a ‘point and click’ interface for complete systems of Comtech
equipment, comprising Modems, Transceivers, and Redundancy Switches. For further
information, or to order a free demo disk, contact Comtech EF Data Customer Support.
Redundancy Applications
For 1:1 and 1:N redundancy applications, the CDM-600/600L is supported by the following
Comtech EF Data switching products:
CEFD Product Description CDM-600 CDM-600L
CRS-150 1:1 Redundancy Switch (70/140 MHz) X
CRS-150 plus
CRS-170A
1:1 Redundancy Switch (L-Band) X
CRS-300 1:10 Redundancy Switch X X
CRS-280* IF Switch (70/140 MHz) X
CRS-280L* IF Switch (L-Band) X
CRS-350* ESC Switch (IDR Overhead) X X
* For use in 1:N applications
ODU Interoperability via FSK / EDMAC
The CDM-600/600L incorporates a Frequency Shift Keyed (FSK) serial link that, when activated
on the Rx-IF port of a CDM-600, enables the modem to communicate with the Comtech EF Data
line of RF Ku- and C-Band Transceivers.
On the CDM-600L, when activated on the Tx-IF port, this link can communicate with an FSK-
capable Block Upconverter (BUC) or, conversely, when activated on the Rx-IF port, a Low-Noise
Block Downconverter (LNB).
In this manner, a user may monitor, configure, and control the Transceiver, BUC or LNB via the
modem’s front panel display and keypad, or by using the modem’s remote control interface.