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Safety: Symbols Used

Safety symbols used in this document, or on the product

Symbol Signal word Definition

Potentially dangerous situation which may lead to personal injury or death! Follow the instructions closely.

Caution, risk of electric shock.

Potential equipment damage or destruction!
Follow the instructions closely.

Tips and other useful or important information.

This equipment may contain more than one power source: Disconnect AC and DC power supply cords before removing the cover to avoid electric shock.

Risk of Electrostatic Discharge! Avoid potential equipment damage by following ESD Best Practices.

This symbol is used for identifying the functional ground of an I/O signal. It is always connected to the instrument chassis.

Analog Ground
Shows where the protective ground terminal is connected inside the instrument. Never remove or loosen this screw!

Recycle the mentioned components at their end of life. Follow local laws.

SAFETY: Before You Begin Installation

This product has been designed and built in accordance with state-of-the-art standards and the recognized safety rules. Nevertheless, its use may constitute a risk to the operator or installation/maintenance personnel, if the product is used under conditions that must be deemed unsafe, or for purposes other than the product's designated use, which is described in the introductory technical chapters of this guide.

DANGER! If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

Before you begin installing and configuring the product, carefully read the following important safety statements. Always ensure that you adhere to any and all applicable safety warnings, guidelines, or precautions during the installation, operation, and maintenance of your product.


Installation of this product is to be done by authorized service personnel only. This product is not to be installed by users/operators without legal authorization.

Installation of the equipment must comply with local and national electrical codes.


The interior of this equipment does not have any user serviceable parts. Contact Spectracom Technical Support if this equipment needs to be serviced. Do not open the equipment, unless instructed to do so by Spectracom Service personnel. Follow Spectracom Safety Instructions, and observe all local electrical regulatory requirements.

Never remove the cover or blank option card plates with power applied to this unit. The unit may contain more than one power source. Disconnect AC and DC power supply cords before removing the cover to avoid electric shock.


The equipment has Double Pole/Neutral Line Fusing on AC power.
For continued protection against risk of fire, replace fuses only with same type and rating of fuse.

DANGER! — GROUNDING: This equipment must be EARTH GROUNDED. Never defeat the ground connector or operate the equipment in the absence of a suitably installed earth ground connection. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available.

The AC and DC power connectors of this equipment have a connection to the earthed conductor of the AC and DC supply earthing conductor through the AC and DC power cords. The AC source outlet must contain a protective earthing connection. This equipment shall be connected directly to the AC power outlet earthing pin or DC supply system earthing electrode conductor. 
The DC supply source is to be located within the same premises as this equipment: The equipment shall be located in the same immediate area (such as, adjacent cabinets) as any other equipment that has a connection to the earthing conductor of the same AC or DC supply circuit earthing conductor, and also the point of earthing of the AC or DC system. The AC or DC system shall not be earthed elsewhere.

Switches or other disconnection devices shall not be in the earthed circuit conductor between the AC and DC source and the point of the connection of the earthing electrode conductor to SecureSync’s AC and DC input power connectors earthing pin.

DANGER! — BATTERY: Replace the battery only with the same or equivalent type recommended by the manufacturer. Follow Spectracom Instructions — there is a danger of a new battery exploding if it is incorrectly installed. Discard used batteries according to the manufacturer's instructions.

Caution: Electronic equipment is sensitive to Electrostatic Discharge (ESD). Observe all ESD precautions and safeguards when handling Spectracom equipment.

SAFETY: User Responsibilities

  • The equipment must only be used in technically perfect condition. Check components for damage prior to installation. Also check for loose or scorched cables on other nearby equipment.
  • Make sure you possess the professional skills, and have received the training necessary for the type of work you are about to perform.
  • Do not modify the equipment.
  • Use only spare parts authorized by Spectracom.
  • Always follow the instructions set out in this User Manual, or in other Spectracom documentation for this product.
  • Observe generally applicable legal and other local mandatory regulations.

SAFETY: Other Tips

  • Keep these instructions at hand, near the place of use.
  • Keep your workplace tidy.
  • Apply technical common sense: If you suspect that it is unsafe to use the product, do the following:
    • Disconnect the supply voltage from the unit.
    • Clearly mark the equipment to prevent its further operation.