cooling 89
cords
requirements 110
selecting 118
D
daisy chain topology 60
data port 63
DB-9 console connector pinouts 110
DB-9 pinouts 110, 111
DC power
connecting to switch 78
design standards 54
distances
cables 48
documentation
feedback 9
location 11
dual primary condition 60
E
Easy-Setup 64
election
node role 64
priority 64
electric power
connecting to switch 78
electrical codes 40
electrostatic discharge
, see
ESD
environmental requirements
building codes 40
electrical codes 40
electrostatic discharge (ESD) 43
humidity 43
temperature 42
wiring closet 41
equipment
installing 73
tools needed to install 74
equipment rack
grounding 44
mechanical recommendations 44
mounting holes 44
securing 45
service access 44
space requirements 44
ESD
discharge from cable 46
system protection 43
Extreme Stacking Tool 67
F
Fabric Engine
initial login 82
failover 64
fan
fan
(continued)
airow 89
replacing 89
fan speed
5420 switch 101
feedback 9
ber optic cable
bend radius 47
connecting 77
handling 47
installing 47
rst switch login 79, 82
frequency
, see
radio frequency interference (RFI)
front-to-back cooling 89
G
grounding
racks 44
requirements 54
wiring closet 41
H
hitless failover 64
humidity 43
I
industry standards 54
initial switch login 79, 82
installing
connecting power 78
ber optic cable 47
optical transceivers 76, 77
optional components 76, 77
personnel 74
preparing 74
safety information 74
switches 73–75
tools 74
IP settings
conguring 81
J
jackets
RJ45 connector 51
L
labeling cables 46
LEDs
5420 Series 91–94
stack number indicator 56
local management connection 79
logging in to the switch 79, 82
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