Comtech EF Data CDM-710 Installation And Operation Manual page 38

CDM-710/L Broadcast Satellite Modem
Introduction
From left to right:
Item 1 –Power Connection (part of Power Supply module)
• The standard AC unit features a 115/230 VAC Primary Input Power Supply
(IEC-60320 Type C14 three-prong male connector)
• The optional -48V DC unit features a terminal block power interface.
Item 2 – Unit Fusing (part of Power Supply module)
CAUTION
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES
WITH THE CORRECT TYPE AND RATING.
The unit uses two Slo-Blo fuses, one each for line and neutral fusing:
• The standard 115/230 VAC unit retains the T2.00A 5x20 mm fuses
(250VAC time lag) in a press-fit fuse holder.
• The optional -48V DC unit retains the T6.25A 6.3x32 mm fuses in
individual screw-in receptacles.
Item 3 – Unit Ground Lug
Use this #10-32 stud as the command chassis ground.
CAUTION
PROPER GROUNDING PROTECTION IS REQUIRED. You must connect the
equipment to the protective earth connection at all times. Use this
ground stud during installation, configuration, and operation.
Item 4 – 'J7 | Ext Ref' Utility Connector
Use this female BNC connector to supply a master reference to the entire
chassis.
Item 5 – 'J1 | Tx (Transmit)' IF Connector
CAUTION
THERE MAY BE DC VOLTAGES OF UP TO 48 VOLTS MAXIMUM PRESENT
ON THIS CONNECTOR.
Use this connector for Tx operation:
• CDM-710 (70/140 MHz) – BNC female connector
• CDM-710L (L-Band) – Type 'N' female connector
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MN/CDM710.IOM
Revision 12