Terrestrial Interfaces; Idr/Esc Interface (Optional); Ibs/Synchronous Interface (Standard); Environmental - Radyne DMD20 Installation And Operation Manual

DMD20 Universal Satellite Modem

7.7 Terrestrial Interfaces

A variety of standard interfaces are available for the DMD20 modem in stand-alone applications.

7.8 IDR/ESC Interface (Optional)

G.703 T1 (DSX1)
G.703 E1
G.703 T2 (DSX2)
G.703 E2

7.9 IBS/Synchronous Interface (Standard)

RS-422/-449
ITU V.35
RS-232

7.10 Environmental

Prime Power
Operating Temp.
Storage Temperature

7.11 Physical

Size
Weight

7.12 DMD20 Data Rate Limits

Modulation
BPSK
BPSK
BPSK
BPSK
BPSK
BPSK
BPSK
BPSK
QPSK
QPSK
QPSK
QPSK
TM103 – Rev. 1.1
1.544 Mbps, 100O balanced, AMI and B8ZS
2.048 Mbps, 75O unbalanced and 120O balanced,
HDB3
6.312 Mbps, 75O unbalanced and 110O balanced, B8ZS
and B6ZS
8.448 Mbps, 75O BNC, unbalanced, HDB3
All Rates, Differential, Clock/Data, DCE
All Rates, Differential, Clock/Data, DCE
(DCE up to 200 kbps)
100 to 240 VAC, 50 to 60 Hz, 40 Watts maximum
48 VDC (optional)
0 to 50°C, 95% humidity, non-condensing
-20 to 70°C, 99% humidity, non-condensing
19" W x 16" D x 1.75" H
(48.26 x 40.64 x 4.45 cm)
6.5 pounds (3.0 Kg)
Code Rate Min Data Rate
NONE
1/2
2/3
3/4
5/6
7/8
495
793
NONE
1/2
2/3
3/4
Technical Specifications
Max Data Rate
4800
2400
N/A
3600
N/A
4200
2376
3806.4
9600
4800
N/A
7200
10000000
5000000
N/A
7500000
N/A
8750000
4950000
7930000
20000000
10000000
N/A
15000000
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