Comtech EF Data SDM-2020, Installation And Operation Manual

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SDM-2020 Satellite Demodulator Installation
Rev. 3 2–11
2.3.5 Receive IF Input Connector
2.3.5.1 Single L-Band Input (J23)
The RX IF Input connector (J23) is a 75
Ω
, F-type female connector. LNB power is
provided at connector (J23) and can be disabled from the front panel controls or remote
M&C control.
2.3.5.2 Four L-Band Input (J23, J24, J25, and J26)
The RX IF Input Connectors (J23, J24, J25, and J26) are 75
Ω
, F-type female connectors.
LNB power is provided on selected RF input and can be disabled from the front panel,
controls, remote M&C control.
2.3.6 AC Power
CAUTION
This unit shall be operated from the type of power source indicated on the
marking label. If power source is unknown, contact the local power
company. Damage to the unit may be the result.
Type TN System Only (EN 60950, Paragraph 1.2.12.1) - Power Distribution System:
Power distribution system having one point direct earthed, the exposed conductive parts of
the installation being connected to that point by protective earth conductors. This
equipment shall not be used with single-phase three-wire (PE, TT, or IT) type power
distribution system.
The A/C power is supplied to the modulator by a standard, detachable, non-locking,
3-prong power cord. The cord connects to a fused IEC 320 type power receptacle.