CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Preface xxxi MN-CDM570A
PREFACE
About this Manual
This manual provides installation and operation information for the Comtech EF Data
CDM-570AL, CDMR-570AL, and CDM-570A Satellite Modems with or without the optional High-
Performance Packet Processor. These modems are essentially identical in their operation, with
these differences:
• The L-Band unit, available in standard (CDM-570AL) and reduced chassis depth
(CDMR-570AL) versions, includes support for externally connected Block Up Converters
(BUCs) and Low-Noise Block Down Converters (LNBs).
• The CDM-570A 70/140MHz IF band unit includes support for externally connected
Comtech EF Data Transceivers (CSAT-5060, KST-2000A/B);
Unless otherwise specified, these products are referred to collectively throughout
this manual as “the modem”. When equipped with the optional High-Performance
Packet Processor, the modem may also be referred to as the CDM-570A-IP, CDM-
570AL-IP, CDM-570A/570AL-IP, or simply the CDM-IP.
This is an informational document intended for the persons responsible for the operation and
maintenance of the modem.
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