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Fuse data, Dc power, Ground – Comtech EF Data SDM-2020 User Manual

Page 48: Proper operations for emissions (ce)

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SDM-2020 Satellite Demodulator

Revision 4

Installation

MN/SDM2020D.IOM

3–8

3.2.6 Fuse

Data

Fuse Type

Littlefuse 215002 5 x 20 mm

Fuse T2A

H250V

Time Delay, 2A, High Breaking Capacity
Double Pole
(Approved to IEC 127, Sheet V and Underwriters Laboratories)


To replace a fuse, proceed as follows:

1. Remove the fuseholder on the back of the IEC 320 style A/C input connector .

2. Replace fuse with same or equivalent rated part and/or model number.

Refer to Input Power requirements as specified in Chapter 1, 1-6.

3.2.7

DC Power (Optional)

DC power is an available option. Contact Comtech EF Data Customer Support for further
assistance.

3.2.8

Ground (GND) or Earth

A #10-32 stud is available on the rear panel for the purpose of connecting a common chassis
ground among all of the equipment.

Note: A safety ground is provided through the AC power connector.

3.3

Proper Operations for Emissions (CE)

Note: To ensure compliance with the EMC Directive 89/336/EEC, properly shielded
cables for Data I/O shall be used. These cables shall be doubled-shielded from end-to-
end, ensuring a continuous ground shield.