Comtech EF Data SDM-2020 User Manual
Page 24
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SDM-2020 Satellite Modulator
Revision 7
Product Data Specification
MN/SDM2020M.IOM
2-2
Table 2-1. General Specifications (Continued)
Parameter
Specification
Energy
Dispersal
EN 300 421 and prEN 301 210 , or None
Spectral Sense Normal or Inverted
Front Panel
Interface
Keypad + LCD with back lighting
M&C Interface
Programmable selection for EIA-232, 2-wire EIA-485 or 4-wire EIA-485, 9-pin D female connector,
serial, ASYNC
Fault/Alarm
Interface
Status Relays
Max. Current
Voltage
Form C, 9-pin D, female connector
TX Fault, TX Alarm, Common Equipment
< 30 VAC, 42.4 Vpk-pk, or 60 VAC
Unit Cooling
Exhaust fan located on the left of the unit when viewed from the rear.
Rated AC
Power Input
100 to 240 VAC, 50 to 60 Hz; 1.0A at 100 VAC or 0.5A at 240 VAC. Connection universal type IEC
320.
40W typical, 65W maximum.
Note: This equipment is fitted with a wide-ranging power supply that will operate at +6% to –10% of
the rated voltage range.
IEC 950, Paragraph 1.6.5.
Power
Distribution
System
Type TN only (EN 60950 Paragraph 1.2.12.1).
Note: The equipment shall not be used with single-phase three-wire and PE.
Connection to
Supply
Pluggable equipment Type A (EN 60950, Paragraph 1.2.5).
Note: Equipment which is intended for connection to the building power supply wiring via a
nonindustrial plug and socket outlet or a nonindustrial appliance coupler or both.
Power Supply
Fuses
Double pole fused.
Fuse type 20mm 2A T-type HBC (T2A H250V)
(IEC 127, Sheet V, approved and UL recognized)
Class of
Equipment
Class 1 Equipment (EN60950, Paragraph 1.2.4): electric shock protection by basic insulation and
protective earth.
Power Supply
Hold-up
16 ms minimum at 120 VAC
78 ms minimum at 240 VAC
DC Power
Input optional
42 to 56 VDC. 40W typical, 65W maximum.
CE
Compliance
Required