Operating instructions

Technical Specifications DMD20/DMD20 LBST Universal Satellite Modem
7-4 TM103 – Rev. 2.8
7.12 Ethernet Data Interface (Optional)
Ethernet Data Interface Four RJ-45, Auto-Crossover, Auto-Sensing, 10/100
Ethernet Data Ports. Complies with IEEE 802.3 and
IEEE 802.3u.
7.13 Gigi Ethernet Data Interface (Optional)
Ethernet Data Interface Three RJ-45, Auto-Crossover, Auto-Sensing,
10/100/1000 Ethernet Data Ports. Complies with IEEE
802.3 and IEEE 802.3u.
7.14 HSSI / G703
HSSI High-Speed Serial Interface, 50-pin SCSI-2 Type
Connector (Female)
G.703 T1 (DSX1) 1.544 Mbps, 100-Ohm Balanced, AMI and B8ZS
G.703 E1 2.048 Mbps, 75-Ohm Unbalanced and 120-Ohm
Balanced, HDB3
G.703 T2 (DSX2) 6.312 Mbps, 75-Ohm Unbalanced and 110-Ohm
Balanced, B8ZS and B6ZS
G.703 E2 8.448 Mbps, 75-Ohm BNC, Unbalanced, HDB3
Note: Does not support backward alarms
7.15 HSSI /ETHERNET
HSSI HSSI, High-Speed Serial Interface, 50-pin SCSI-2 Type
Connector (Female)
Ethernet Data Interface Four RJ-45, Auto-Crossover, Auto-Sensing, 10/100
Ethernet Data Ports. Complies with IEEE 802.3 and
IEEE 802.3u.
7.16 Environmental
Prime Power 100 to 240 VAC, 50 to 60 Hz, 40 Watts Maximum
48 VDC (Optional)
Operating Temperature 0 to 50°C, 95% Humidity, Non-Condensing
Storage Temperature -20 to 70°C, 99% humidity, Non-Condensing
7.17 Physical
DMD20 DMD20 LBST
Size 19” W x 16” D x 1.75” H 19” W x 19.25” D x 1.75” H
(48.26 x 40.64 x 4.45 cm) (48.26 x 48.89 x 4.45 cm)
Weight 6.5 Pounds (3.0 Kg) 8.5 pounds (3.83 kg)