IMPORTANT SAFETY INSTRUCTIONS
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ChromaFlex DMT24, DMT34 & DMT44 Multi-Wavelength DWDM Direct Modulated Transmitter Module – Hardware Interface Manual
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Make sure that the rack is placed on a stable surface. If the rack has stabilizing devices, install these stabilizing
devices before mounting any equipment in the rack. The mounting surface or rack should be appropriately anchored
according to manufacturer’s specifi cations.
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Ensure this equipment is securely fastened to the mounting surface or rack to protect against damage.
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This equipment has openings for ventilation to protect it from overheating. To ensure equipment reliability and safe
operation, do not block or cover any of the ventilation openings.
WARNING: Avoid personal injury and damage to this equipment. Mounting this equipment in the
rack should be such that a hazardous condition is not caused due to uneven mechanical loading.
CAUTION: Installation of this equipment in a rack should be such that the amount of airfl ow
required for safe operation of this equipment is not compromised.
1 .5 Power Connections
1 .5 .1 Connection To AC Power Source
Important:
If this equipment is a Class I equipment, it must be grounded.
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Connect this equipment only to the power sources that are identifi ed on the equipment-rating label.
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Overcurrent protection breakers or fuses must be sized appropriately for the total current rating of the modules and
accessories contained within a system chassis or multiple chassis that are connected to a common mains circuit.
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This equipment may have two power sources. Be sure to disconnect all power sources before working on this
equipment.
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If this equipment
does not
have a main power switch, the power cord connector serves as the disconnect device.
1 .5 .2 Connection To -48 VDC Power Source
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Use at least #16 AWG wire for all DC power wiring.
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Overcurrent protection breakers or fuses must be sized appropriately for the total current rating of the modules and
accessories contained within a system chassis.
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Follow the recommended practices of the DC power system manufacturer.
CAUTION: Consider the connection of this equipment to the supply circuit and the effect that
overloading of circuits might have on overcurrent protection and supply wiring.
1 .6 Fuse Replacement
To replace a fuse, comply with the following:
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Disconnect the power before changing fuses.
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Identify and clear the condition that caused the original fuse failure.
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Always use a fuse of the correct type and rating. The correct type and rating are indicated on this equipment.
1 .7 Laser Safety
This equipment may contain or be connected to an infrared laser source that transmits intensity-modulated light and emits
invisible radiation.
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