Mocomtech CDM-570 - Manual (Page 232)

CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Summary of Specifications
12.4 Data and Miscellaneous Interfaces
Primary Data
(3 selectable modes) RS-422/EIA-530 DCE (Rates up to 5 Mbps)
(also supports X.21 DCE & DTE)
V.35 DCE (Rates up to 5 Mbps)
Synchronous EIA-232 (Rates up to 300 kbps) 25-pin D-sub (female)
G.703 1.544 Mbps T1 (Balanced 100
Ω)
2.048 Mbps E1 (unbalanced 75
Ω or balanced 120Ω)
15-pin D-sub (female)
or BNC (female)
External Reference In 1, 2, 5, 10 or 20 MHz, -6dBm to +10dBm
(The Ext. ref. locks Tx and Rx synthesizers, and all baseband clock generation) BNC (female)
Modem Alarms Relay outputs (Tx, Rx & unit faults)
Demodulator I & Q test outputs (constellation)
Demodulator Rx Signal Level output (0 to 10 volts)
External carrier off input 15-pin D-sub (male)
1:1 Control Async serias link to other modem, and switching signals in 1:1 pair, via CRS-170 9-pin D-sub (female)
Alarm Relay Type: Form C Contacts. Rating: Less than +/- volts up to 1 Amp
Remote Control RS-232 or RS-485 modem control and monitoring 9-pin D-sub (male)
Ethernet 10/100 Base Tx for http, SNMP and Telnet interfaces RJ45
12.5 Data Rate Ranges
FEC Type Modulation Code Rate Data Rate Range EDMAC limited?
None BPSK Uncoded 4.8 kbps to 3.000 Mbps Yes – see note below
None QPSK/OQPSK Uncoded 9.6 kbps to 5.000 Mbps Yes – see note below
Viterbi BPSK Rate 1/2 2.4 kbps to 1.500 Mbps Yes – see note below
Viterbi QPSK/OQPSK Rate 1/2 4.8 kbps to 3.000 Mbps Yes – see note below
Viterbi QPSK/OQPSK Rate 3/4 7.2 kbps to 4.500 Mbps Yes – see note below
Viterbi QPSK/OQPSK Rate 7/8 8.4 kbps to 5.250 Mbps Yes – see note below
Viterbi + RS BPSK Rate 1/2 2.4 kbps to 1.363 Mbps Yes – see note below
Viterbi + RS QPSK/OQPSK Rate 1/2 4.3 kbps to 2.727 Mbps Yes – see note below
Viterbi + RS QPSK/OQPSK Rate 3/4 6.5 kbps to 4.091 Mbps Yes – see note below
Viterbi + RS QPSK/OQPSK Rate 7/8 7.5 kbps to 4.666 Mbps Yes – see note below
Viterbi + RS 16-QAM Rate 3/4 13.0 kbps to 4.000 Mbps Yes – see note below
Viterbi + RS 16-QAM Rate 7/8 16.8 kbps to 4.666 Mbps Yes – see note below
TCM + RS 8-PSK Rate 2/3 8.7 kbps to 4.400 Mbps Yes – see note below
Turbo BPSK Rate 5/16 2.4 kbps to 0.937 Mbps Yes – see note below
Turbo BPSK Rate 21/44 2.4 kbps to 1.430 Mbps Yes – see note below
Turbo QPSK/OQPSK Rate 21/44 4.8 kbps to 2.860 Mbps Yes – see note below
Turbo QPSK/OQPSK Rate 3/4 7.2 kbps to 4.500 Mbps Yes – see note below
Turbo QPSK/OQPSK Rate 7/8 8.4 kbps to 5.250 Mbps Yes – see note below
Turbo QPSK/OQPSK Rate 0.95 9.1 kbps to 5.666 Mbps Yes – see note below
Turbo 8-PSK/8-QAM Rate 3/4 10.8 kbps to 6.750 Mbps No
Turbo 8-PSK/8-QAM Rate 7/8 13.6 kbps to 7.875 Mbps No
Turbo 8-PSK/8-QAM Rate 0.95 15.3 kbps to 8.500 Mbps No
Turbo 16-QAM Rate 3/4 14.4 kbps to 9.000 Mbps No
Turbo 16-QAM Rate 7/8 16.8 kbps to 9.980 Mbps No
Important Note: Where noted in the table above, if EDMAC framing is employed, the upper data rate will be
reduced by 5% for data rates up to 2.048 Mbps, and by 1.6% for data rates above 2.048 Mbps, where EDMAC2
framing is used, or for Rate 21/44 BPSK/QPSK Turbo, or Rate 5/16 BPSK Turbo.
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