7 power – Comtech EF Data CDM-570A User Manual
Page 55

CDM-570A/570AL Satellite Modem with Optional Packet Processor
MN-CDM570A
Introduction
Revision 2
1–21
FEC Type
Modulation
Code Rate
Data Rate Range
EDMAC limited?
Lower Limit (kbps)
Upper Limit (Mbps)
VersaFEC (cont.)
8-QAM
0.576
8.3
5.179
No
0.642
9.3
5.782
0.711
10.3
6.401
0.780
11.3
7.021
16-QAM
0.644
12.4
7.726
0.731
14.1
8.776
0.780
15.0
9.361
0.829
16.0
9.946
0.853
16.4
10.239
Ultra-Low Latency
(ULL)
BPSK
0.493
2.4
1.480
QPSK
0.493
4.7
2.960
0.654
6.3
3.924
0.734
7.0
4.405
Important Note – where noted in this table: 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.
1.3.7 Power
Parameter
Specification
AC Input Power
CDM-570AL (L-Band):
•
Without Optional Packet Processor, CnC, or BUC Power Supply: 29W typical, 32W maximum
•
With Optional Packet Processor; without CnC or BUC Power Supply: 42W typical
•
With Optional Packet Processor and CnC; without BUC Power Supply: 48W maximum
•
With Optional Packet Processor, CnC, and 150W @50°C or 180W @30°C BUC Power supply: 250W
(maximum)
CDM-570A (70/140 MHz):
•
Without Optional Packet Processor or CnC: 29W typical, 32W maximum
•
With Optional Packet Processor; without CnC: 42W typical
•
With Optional Packet Processor and CnC: 48W maximum
Typical measured VA, Power Factor and Power Data:
CDM-570AL (L-Band):
240V 50 Hz Power Factor = 0.44, 65VA, 29W
110V 60 Hz Power Factor = 0.55, 50VA, 28W
CDM-570A (70/140 MHz):
240V 50 Hz Power Factor = 0.33, 87VA, 29W
110V 60 Hz Power Factor = 0.53, 51VA, 28W
DC Input Power
•
Without optional Packet Processor or CnC: 29W typical, 32W maximum
•
With optional Packet Processor, without CnC: 42W typical
•
With optional Packet Processor and CnC: 48W maximum
Operating Voltage
Standard AC Power Supplies CDM-570A (70/140MHz) or CDM-570AL (L-Band):
100-240V AC, +6%/-10% – autosensing (total absolute max. range is 90-254V AC)
DC Power Supplies:
•
(Optional) CDM-570A (70/140MHz) or CDM-570AL (L-Band): Modular -24V DC (range is 20-36V) or -
48V DC (range is 43-60V)
•
CDMR-570AL (L-Band): Terminal block -24V DC (range is 20-36V) or -48V DC (range is 43-60V)