candidate node 59
category 5 cable 43
combining
switches in a stack 64
commercial building standards 51
components
configuration
configuring the switch 85
connecting
to management console 82
connecting power 80
connector jackets
connector pinouts
DB-9 console connector 147
null-modem cable 147
console port
5520 series 12–14
for stacked configurations 71
on switch 147
settings 82
control path 59
conventions
cooling 121
cords
D
daisy chain topology 57
data port 60
DB-9 console connector pinouts 147
DB-9 pinouts 147
DC power
connecting to switch 80
DC-I battery return configuration 51
design standards 51
distances
documentation
feedback 10
location 11
dual master condition 57
E
Easy-Setup 61
election
electric power
connecting to switch 80
electrical codes 38
electrostatic discharge
, see
ESD
environmental requirements
building codes 38
electrical codes 38
electrostatic discharge (ESD) 40
humidity 40
temperature 39
wiring closet 39
equipment
installing 73
tools needed to install 74
equipment rack
grounding 41
mechanical recommendations 41
mounting holes 41
securing 42
service access 42
space requirements 42
ESD
discharge from cable 43
system protection 40
Extreme Stacking Tool 64
F
failover 60
fan
airflow 121
replacing 121, 122
fan speed
5520 switch 130
feedback 10
fiber optic cable
bend radius 44
connecting 81
handling 44
installing 44
first switch login 83, 85
frequency
, see
radio frequency interference (RFI)
front-to-back cooling 121
G
grounding
racks 41
requirements 51
wiring closet 39
H
Half-Duplex to Full-Duplex Converter
connecting to power 110
installing 108–110
mounting in a rack 109
mounting on a flat surface 109
mounting on a shelf 109
mounting on a wall 109
specifications 141, 142
hitless failover 60
Index