Dc power (optional), Ground (gnd) or earth, Lithium battery replacement – Comtech EF Data SDM-2020 User Manual
Page 41: Proper operations for emissions (ce)
SDM-2020 Satellite Modulator
Revision 7
External Connections
MN/SDM2020M.IOM
4-5
4.1.6
DC P
OWER
(O
PTIONAL
)
DC power is an available option. Contact Comtech EFData’s Customer Support for
further assistance.
4.1.7
G
ROUND
(GND)
OR
E
ARTH
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.
4.1.8
L
ITHIUM
B
ATTERY
R
EPLACEMENT
CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with
the same or equivalent type recommended by the manufacturer. Dispose
of used batteries according to the manufacturer’s instructions.
4.2
P
ROPER
O
PERATIONS FOR
E
MISSIONS
(CE)
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.