Cisco Systems WS-X6608-T1 用户手册
3-4
Ci sco Catalyst 4900M Swit ch I nst allati on Guide
78-18350-02
Chapte r 3 Inst allin g t he Swi tch
Rack-Mount ing the Swi tch
•
Keep your back straight and lift with y our legs, no t y our back. If you mus t bend down to lift the
chassis, b end at the kn ees, n ot at the waist, to reduce the strain on your lower back muscles.
chassis, b end at the kn ees, n ot at the waist, to reduce the strain on your lower back muscles.
•
Always disco nnect all external cables before liftin g o r moving the ch assis.
Required Installation Tools
The following too ls and equipment are required to install th e chass is:
•
Number 1, number 2 Phillips, and 3/1 6-inch flat-blad e screwdriver
•
Antistatic mat or antis tatic foam
•
Your own ESD gro unding strap o r the d isposable ESD s trap inclu ded with the system
The following too ls and equipment are required to install th e chass is in a rack :
•
Rack -mou nt k it
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Tap e measu re and level
Rack-Mounting the Catalyst 4900M Switch
Follow these steps to install th e Catalyst 490 0M switch in a fo ur-post rack.
Step 1
Prepare fo r installatio n:
a.
Place the chassis on the floor o r on a sturdy table as clos e as po ssible to the rack. Leave enough
clearan ce to allow yo u to move around th e ch assis .
clearan ce to allow yo u to move around th e ch assis .
b.
Use a tape measure to measure th e d epth of th e rack. Measu re from the outsid e of the front mo unting
p osts to the outsid e of the rear mou nting strip. The fo ur-post rack depth mus t be at least 1 9.2 5 inch es
(48.9 cm) but not more than 3 2.5 in ches (8 2.5 cm). If the 4-post rack depth is g reater than
3 2.5 in ches (82 .5 cm), order and u se the o ptional rack -moun t k it (C4900M-BKTS-KIT=).
p osts to the outsid e of the rear mou nting strip. The fo ur-post rack depth mus t be at least 1 9.2 5 inch es
(48.9 cm) but not more than 3 2.5 in ches (8 2.5 cm). If the 4-post rack depth is g reater than
3 2.5 in ches (82 .5 cm), order and u se the o ptional rack -moun t k it (C4900M-BKTS-KIT=).
c.
Measure th e space between the inner edges of the left fro nt and right front mou nting posts to en sure
th at it is 17 .7 5 in ches (4 5.0 9 cm) wide. (The chassis is 17.5 inch es [44.5 cm] wide and must fit
b etween the mou nting posts.)
th at it is 17 .7 5 in ches (4 5.0 9 cm) wide. (The chassis is 17.5 inch es [44.5 cm] wide and must fit
b etween the mou nting posts.)
d.
Open th e standard rack-mount kit, and refer to
to verify th at all parts are included.
Table 3-1
Standard Rack-Mount Kit Checklist
Quantity
Part Description
Received
1
Left mounting bracket
1
Righ t mo unting bracket
2
Rear mountin g b rack ets
1 2
M 4 Phillips Flat-head screws
8
1 2-2 4 x 3 /4-inch Phillips binder-head screws
8
1 0-3 2 x 3 /4-inch Phillips binder-head screws