Omnitron Systems Technology 4386, 4389, 4385 General Description, Power Supply Replacement

6 Omnitron Systems Technology, Inc.

Cabling and Power-Up:

1.Insure that both FlexPoint Chassis power supply switches are in the OFF position.

2.Assure that the 48VDC circuit breaker can supply 3A of current per power supply.

3.Locate the 48VDC circuit breaker, and switch the 48VDC circuit breaker to the OFF position.

4.Cut the power cable to the length required.

5.Strip approximately 3/8 of an inch of insulation from the power cable wires.

6.Connect the power cables to the FlexPoint Chassis by fastening the stripped ends to the 48VDC connector.

WARNING: Note the wire colors used for making the positive, negative and ground connections. Use the same color assignment for the connection at the circuit breaker.

7.Connect the power cable to the circuit breaker and switch the circuit breaker ON.

8.Turn both FlexPoint Chassis power supply switches on and check the power LED’s on the front panel of the powered chassis. The two LED’s should be ON.

9.Attach the L shaped tabs to the FlexPoint media converter units to be inserted

into the chassis, Secure the FlexPoint module using the enclosed screws.

Omnitron Systems Technology, Inc.3

FlexPointTM Powered Chassis

User’s Manual

GENERAL DESCRIPTION

The FlexPointTM Powered Chassis is a chassis capable of holding up to 14 FlexPointTM media converter modules. It is equipped with two power supplies in a power-redundant configuration.

10.Save the unused tabs in a safe place or secure them to the chassis’ unused Slots.

POWER SUPPLY REPLACEMENT

WARNING!

NEVER ATTEMPT TO OPEN OR SERVICE THE POWER SUPPLY UNIT. OPENING THE POWER SUPPLY UNIT MAY CAUSE SERIOUS INJURY OR DEATH.

The Powered Chassis is intended to be used with two power supplies in a power-redundant operation. A failure of a single supply should not disturb the operation of the chassis unit. However, certain power supply failures may cause a secondary failure to the associated fan and cause undesired overheating of the chassis unit.

This User’s Manual describes the following models:

Model Description

4385 Powered Chassis, rack-mountable chassis, 2 power supplies

4386 Powered Chassis, rack-mountable chassis, 1 power supply

4389 Power supply unit for models 4385 and 4386