CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Introduction 1–12 MN-CDM570A
Table 1-1. Standard vs. FAST and FAST-accessible Hardware Options
Forward Error Correction
Reed-Solomon (RS) Codec for CCM
2
nd
Generation Turbo Product Codec (TPC) for CCM (IESS-315
compliant) – Rate 5/16, 21/44, 3/4 and 7/8
FAST
2
nd
Generation Turbo Product Codec (TPC) Plug-in card for CCM – Rate
5/16, 21/44, 3/4, 7/8, and 0.95
HW
Data Rate
Modem Data
Rate for CCM
Data rate 2.4 kbps to 512 kbps
Data rate 2.4 kbps to 1.1 Mbps
Data rate 2.4 kbps to 2.5 Mbps (minimum required for G.703 operation)
Data rate 2.4 kbps to 5 Mbps
Data rate 2.4 kbps to 10.239 Mbps
VersaFEC
Codec Data
Rate for CCM
Tx Data Rate up to 512 kbps (Rx up to Modem Data Rate)
Tx Data Rate up to 1.1 Mbps (Rx up to Modem Data Rate)
Tx Data Rate up to 2.5 Mbps (Rx up to Modem Data Rate)
Tx Data Rate up to 5 Mbps (Rx up to Modem Data Rate)
Tx Data Rate up to 10.239 Mbps (Rx up to Modem Data Rate)
Modulation Type
Standard (BPSK, QPSK, OQPSK)
Standard + 8PSK (requires RS or TPC),
8-QAM (requires TPC or VersaFEC)
FAST
Standard + 16QAM (requires RS or TPC or VersaFEC)
Standard + 8PSK and 8-QAM + 16-QAM (requires RS or TPC or
VersaFEC)
FAST
DoubleTalk
Carrier-in-
Carrier (CnC)
Card
CnC Data Rate
Full Operation
Fractional Operation
CnC-APC CnC Automatic Power Control FAST
VersaFEC Adaptive Coding and
Modulation (ACM)
Symbol rate up to 375 ksps
Symbol rate up to 750 ksps
Symbol rate up to 1500 ksps
Symbol rate up to 2000 ksps
Packet
Processor
Packet Processor daughter card
Symbol rate up to 3000 ksps (VersaFEC ACM)
Symbol rate up to 3000 ksps (VersaFEC ACM)
3XDES Tx Packet Encryption / Rx Packet Decryption
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