Cisco Systems WS-X6608-T1 用户手册
3-15
Cisco Cat alyst 4900M Sw itch Instal lation Guid e
78-18350-02
Chapter 3 Installi ng t he Switch
Confi gura ble Modul es
Required Tools
You will need these tools to install switch ing modules in the Catalyst 49 00M series switch es:
•
Numb er 1 and numb er 2 Phillips screwdrivers for the cap tive installation screws
•
3/16-inch flat-blade screwdriver for the captive installatio n screws
•
Antistatic mat or antistatic fo am
•
Wrist strap or oth er g rou nding device
Note
Wh enever you handle switching modules, use a wris t strap o r other ground ing device to prevent ESD
damage.
damage.
Removing Switching Modules
Warning
Invisible laser radiation may be emit ted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments. Statement 1051
beams or view directly with optical instruments. Statement 1051
Warning
Haz ardous volt age or energy is present on the backplane when the system is operating. Use caution
when servicing. Statement 1034
when servicing. Statement 1034
Warning
Vol tages that present a shock hazard may exist on Power over Ethernet (PoE) ci rcuits if
interconnections are made using uni nsulated exposed metal contacts, conductors, or terminals.
Avoid using such interconnection methods, unless the exposed metal parts are located wit hin a
restricted access location and users and service peopl e who are authorized within the restricted
access location are made aware of the hazard. A restricted access area can be accessed only through
the use of a special tool, lock and key or other means of security. Statement 1072
interconnections are made using uni nsulated exposed metal contacts, conductors, or terminals.
Avoid using such interconnection methods, unless the exposed metal parts are located wit hin a
restricted access location and users and service peopl e who are authorized within the restricted
access location are made aware of the hazard. A restricted access area can be accessed only through
the use of a special tool, lock and key or other means of security. Statement 1072
Caution
To prevent ESD damag e, handle switch in g modules by th e carrier edges only.