Mandatory Regulations
7705 SAR-8 Installation Guide Page 29
General Requirements
The sections that follow outline the mandatory regulations that govern the installation and
operation of the 7705 SAR-8. You must adhere to these instructions so that your system
meets regulatory requirements.
Equipment Interconnection Points
Interconnection points of the 7705 SAR-8 are defined as the following SELV connectors:
•T1/E1
• Ethernet (10/100/1000 Base-T)
•alarms
• management ports
• external clock inputs and clock outputs (2 MHz, 5 MHz, 10 MHz)
SELV
Connect SELV circuits on this equipment only to other circuits that comply with
the requirements of SELV circuits as defined in CSA C22.2 No. 60950-1, UL 60950-1,
EN 60950-1, AS/NZS 60950-1, and IEC60950-1.
Danger: When removing cards from a shelf under power, some of the components such as
the DC converters may be extremely hot. Handle by the card guides only.
Warning: There are no user-serviceable parts in this unit. Refer servicing to qualified
personnel.
Warning: To prevent accidental electrical short circuits, align the card correctly between the
card guides before inserting it in the slot.
Warning: The unit should be connected to a DC branch circuit with a minimum 6 A and
maximum 10 A circuit breaker or fuse that meets the requirements for branch circuit
protection. A suitable disconnect device, such as a circuit breaker or switch, must be
provided in the DC branch circuit and must be used to disconnect power to the system
during servicing.
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