Comtech EF Data CDD-880 - Manual (Page 28)

CDD-880 Multi Receiver Router Revision 1
Introduction MN-CDD880
1–10
Parameters Specifications
Fuse
120/230 VAC: T3.15A, slow-blow 20 mm
48VDC (38 to 60 VDC): T8.0A, slow-blow 20 mm
Physical Dimensions
1RU high x 19 inches wide x 16 inches deep
( 43.8 mm h x 482.6 mm w x 406 mm d)
Weight 7 lbs (3.2 kg)
1.4.1.4 BER (Bit Error Rate)
VersaFEC CODEC BER
BPSK
(With two adjacent carriers,
each 7 dB higher than the
desired carrier)
For:
BER=10-5
BER=10-8
Rate 0.488
Guaranteed Eb/No
(typical value in
parentheses):
2.4 dB (2.1 dB)
2.7 dB (2.4 dB)
VersaFEC CODEC BER
QPSK
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
BER=10 -5
BER=10
-8
Rate 0.533 QPSK
Guaranteed Eb/No
(typical value in
parentheses):
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 0.631 QPSK
Guaranteed Eb/No
(typical value in
parentheses):
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
Rate 0.706 QPSK
Guaranteed Eb/No
(typical value in
parentheses):
3.3 dB (3.0 dB)
3.7 dB (3.4 dB)
Rate 0.803 QPSK
Guaranteed Eb/No
(typical value in
parentheses):
3.8 dB (3.5 dB)
4.1 dB (3.8 dB)
VersaFEC CODEC BER
8QAM
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
BER=10 -5
BER=10
-8
Rate 0.642 8QAM
Guaranteed Eb/No
(typical value in
parentheses):
4.6 dB (4.3 dB)
4.9 dB (4.6 dB)
Rate 0.711 8QAM
Guaranteed Eb/No
(typical value in
parentheses):
5.2 dB (4.9 dB)
5.5 dB (5.2 dB)
Rate 0.780 8QAM
Guaranteed Eb/No
(typical value in
parentheses):
5.6 dB (5.3 dB)
6.0 dB (5.7 dB)
VersaFEC CODEC BER
16QAM
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
BER=10 -5
BER=10
-8
Rate 0.731
16QAM
Guaranteed Eb/No
(typical value in
parentheses):
6.4 dB (6.1 dB)
6.6 dB (6.3 dB)
Rate 0.780 16QAM
Guaranteed Eb/No
(typical value in
parentheses):
7.0 dB (6.7 dB)
7.3 dB (7.0 dB)
Rate 0.829 16QAM
Guaranteed Eb/No
(typical value in
parentheses):
7.5 dB (7.2 dB)
7.8 dB (7.5 dB)
Rate 0.853 16QAM
Guaranteed Eb/No
(typical value in
parentheses):
8.0 dB (7.7 dB)
8.3 dB (8.0 dB)
Monitor Functions • Eb/No estimate: 3 to 12 dB with ± 0.5 dB accuracy
• Corrected Bit Error Rate: 1E-3 to 1E-9
• Frequency offset: ± 32 kHz range,100 Hz resolution
• Signal Strength Indicator: 0-60 dB range relative to maximum gain