Cisco Octal-Port DMT ATU-C Line Card Installation Guide download pdf (Page 5)

Cisco 6260 Quad-Port Flexi ATU-C to Octal-Port DMT ATU-C Line Card Conversion Procedures

OL-0991-01

General Safety Precautions and Maintenance Guidelines

Warning

The DS3 ports are not intended to be connected to cables that run outside the building where it is

installed. For any connectionsoutside thebuilding, the DS3ports must beconnected toa network

termination unit (NTU). NTU devices should comply with appropriate national safety standards

such as UL 1950, CSA 950, EN 60950, IEC 950, and AS 3260.

Warning

Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed

circuitry could constitute an energy hazard.

Warning

Only trained and qualified personnel should be allowed to install, replace, or service

this equipment.

Warning

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Warning

To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.

Warning

The power supply circuitry for the equipment can constitute an energy hazard. Before you install

or replace the equipment, remove all jewelry (including rings, necklaces, and watches). Metal

objects can come into contact with exposed power supply wiring or circuitry inside the DSLAM

equipment. This could cause the metal objects to heat up and cause serious burns or weld the

metal object to the equipment.

Warning

Ultimate disposal of this product should be handled according to all national laws

and regulations.

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.

Warning

This equipment is to be installed and maintained by service personnel only as defined by AS/NZS

3260 Clause 1.2.14.3 Service Personnel.

Warning

Blank faceplates and cover panels serve three important functions: they prevent exposure to

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.

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Cisco Octal-Port DMT ATU-C Line Card Installation Guide Page 5