Positron AK355, Инструкция по установке и эксплуатации

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AK355 System Installation and User's Guide
Positron Access Solutions 156 180-0037-002 R01
Safety and Warnings
To ensure your safety when servicing and installing this equipment, please take
the following precautions:
A 7.5 to 10A UL listed use/circuit breaker must be installed ahead of this unit in
the end use building installation.
A fuse panel must be installed near the unit in accordance with the National
Electrical Code so that it is accessible to the operator.
A fuse panel must be provided as part of the building installation wiring in order
to provide a UL required disconnect point.
The Positron products accept 48Vdc for powering. The 48Vdc voltage range
must be between -42.5Vdc to -56.5Vdc.
Be careful when installing or modifying telephone lines; dangerous voltages can
be present. It is unsafe to install telephone wiring during a lightning storm.
Only qualified personnel should service this system.
The equipment must be connected to a protective ground in accordance with the
instructions provided in this manual. Improper grounding may result in an
electrical shock.
Follow local grounding practice to ensure a good frame ground connection to the
Positron chassis. The frame ground is required for secondary voltage protection.
For performance and safety reasons, only power supplies listed for use with
telephone equipment by a locally recognized organization should be used with
Positron equipment.
All wiring external to the product should follow the local wiring codes.
Use of this product in a manner other than defined in this installation guide may
cause damage to equipment or injury to perso nnel.
If a problem has been isolated to this unit, do not attempt to repair. The unit’s
components are not user serviceable and therefore must not be replaced. Please
return the unit to Positron for repair.
All fuses on the unit are located in non accessible areas and are not field
serviceable. Please return the unit to Positron for repair.