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Comtech EF Data SDM-2020 User Manual

Page 54

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SDM-2020 Satellite Demodulator

Revision 4

Specification

MN/SDM2020D.IOM

5–2

Table 5-1. Demodulator Specifications (Continued)

General Specifications

Unit Cooling

Exhaust fan located on left of unit when viewed from the rear.

Front Panel Interface

Keypad + LCD with back lighting

Remote Control Interface

Programmable selection for: EIA-232, EIA-485 (2- or 4-Wire), 9-pin D female
connector, serial asynchronous

Fault Interface

Form C, 9-Pin D female

Monitor Interface

9-Pin D female, system test points

AC Input Power Rating






100 to 240 VAC, 50 to 60 Hz universal type 1.0 A at 100 VAC or 0.5 A at 240
VAC. Connection universal type IEC320.

Notes:

1. This equipment is fitted with a wide-ranging power supply that will

operate at +6% to -10% of the min/max voltage range shown above,
IEC950, Paragraph 1.6.5.

2.

Per manufacturer’s published data sheet, the AC power supply has an
operating range of 85 to 264 VAC, 47 to 63 Hz universal type.


100W maximum

Power Distribution System

Type TN ONLY (EN 60950, Paragraph 1.2.12.1).

Note: This equipment shall not be used with single-phase, 3-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 non-industrial plug and socket or an industrial 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 I Equipment (EN 60950 Paragraph 1.2.4): Electric shock protection by basic
insulation and protection 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, 100W maximum

Environment:

Operating
Storage
Humidity


0 to 50

°C

(32 to 122

°F)

-40 to +70

°C

(-40 to 158

°F)

≤ 95% , non-condensing

Mounting Dimensions

19-inch rack mount 1 RU, IEC 297, DIN41494 Type
19W x 1.75H x 14D inch (48.26 x 4.44 x 35.56 cm) Older Chassis
19W x 1.75H x 16.1D inch (48.26 x 4.44 x 40.94 cm) Newer Chassis

Weight

≤ 15 lb. (≤ 6.82 kg)

CE Compliance

Required