Cisco 450 하드웨어 설치 매뉴얼 - 페이지 21

{카테고리_이름} Cisco 450에 대한 하드웨어 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco 450 37 페이지. Voice gateway

Installing the Cisco VG450 Voice Gateway

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD occurs when

electronic components are improperly handled; it can result in complete or intermittent failures.

Always follow ESD-prevention procedures when removing and replacing components.

• Ensure that the chassis is electrically connected to earth ground.

• Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact.

• Connect the clip to the ESD-strap connection jack (to the left of the power switch on the rear of the

Caution

For safety, periodically check the resistance value of the antistatic strap, which should be between 1 and 10

megohm (Mohm).

We recommend that you maintain a Site Log to record all actions relevant to the system. Site Log entries

might include the following:

• Installation—Print a copy of the Installation Checklist and insert it into the Site Log.

• Upgrades and maintenance—Use the Site Log to record ongoing maintenance and expansion history.

We recommend that you use an installation checklist and maintain a Site Log.

The folllowing Installation Checklist lists the tasks for installing a Cisco VG450 Voice Gateway. Print a copy

of this checklist and mark the entries as you complete each task. For each Cisco VG450 Voice Gateway,

include a copy of the checklist in your Site Log. (Installation Checklist image)

• If possible, send another person to get medical aid. Otherwise, assess the condition of the victim

and then call for help.

• Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate

action.

chassis) or to an unpainted chassis frame surface.

Update the Site Log to reflect the following:

• Configuration changes

• Maintenance schedules, requirements, and procedures performed

• Comments, notes, and problems

• Changes and updates to Cisco IOS software

Preventing Electrostatic Discharge Damage

Cisco 450 Voice Gateway Hardware Installation Guide