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External reference (cp3), Ac power connector, Dc power - optional – Comtech EF Data SNM-1002 User Manual

Page 39: Ground connector (gnd), 5 external reference (cp3), 6 ac power connector, 7 dc power - optional, 8 ground connector (gnd)

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SNM-1002 LinkSync

 Modem

Revision 2

Installation

MN/SNM1002.OM

2–9

2.3.5

External Reference (CP3)

CP3 is a BNC connector for an external reference. The input impedance is 75

Ω. For

normal operation, the reference signal is

0 dBm.

2.3.6

AC Power Connector

The AC power is supplied to the SNM-1002 by a standard, detachable, non-locking,
3-prong power cord. Refer to the following listing for AC power specifications.

Input power

50W max.

Input voltage

90 to 264 VAC, 47 to 63Hz.

Note: Unit switches ranges automatically.

Connector type

IEC

Fuse protection

1A slo-blo line and neutral fusing 5 mm type fuses.

2.3.7

DC Power - Optional

For DC supplied units, the DC Power is supplied by terminal lugs installed on the back
panel. Refer to the following table for specifications

Input power

50W max.

Input voltage

38 to 64 VDC.

Connector type

Terminal Lug

Fuse protection

1A slo-blo 5 mm type fuses.

2.3.8

Ground Connector (GND)

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

Note: The AC power connector provides the safety ground.