Cisco 6160 Посібник з встановлення обладнання - Сторінка 5

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Cisco 6160 Посібник з встановлення обладнання
Chapter 2
Preparing for Installation
The ports labeled "Ethernet," "10BaseT," "Token Ring," "Console," and "AUX" are safety extra-low
Warning
voltage (SELV) circuits. SELV circuits should only be connected to other SELV circuits. Because the
BRI circuits are treated like telephone-network voltage, avoid connecting the SELV circuit to the
telephone network voltage (TNV) circuits.
Class 1 laser product.
Warning
Warning
Do not stare into the beam or view it directly with optical instruments.
Warning
This unit is intended for installation in restricted access areas. A restricted access area is where
access can only be gained by service personnel through the use of a special tool, lock and key, or
other means of security, and is controlled by the authority responsible for the location.
When installing the unit, always make the ground connection first and disconnect it last.
Warning
This equipment is to be installed and maintained by service personnel only as defined by AS/NZS 3260
Warning
Clause 1.2.14.3 Service Personnel.
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Warning
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
Warning
Warning
Never defeat the ground conductor or operate the equipment in the absence of a suitably installed
ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are
uncertain that suitable grounding is available.
Warning
During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the backplane with your hand or any metal tool, or you could shock yourself.
Use copper conductors only.
Warning
Blank faceplates and cover panels serve three important functions: they prevent exposure to
Warning
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place.
OL-2190-02 B0
Safety Requirements
Cisco 6160 Hardware Installation Guide
2-5