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mini-hub
described
48
drive side
6
host side
6
hot swapping
48
indicator lights
48
bypass (lower port)
bypass (upper port)
fault
20
icons
20
location
19
loop good
20
replacing failed
49
servicing notes
49
monitoring status of controller unit
N
notices
electronic emissions
product
55
safety information
trademarks
63
used in this book
xvi
O
operating controller unit
tasks table
9
overheating condition
controller unit
39
power supply
45
overtemperature condition of controller unit
22
P
power
battery
35
loss and recovery
turning off
13
turning on
12
power cord
locations
12
part numbers
65
power indicator light
controller CRU
16
controller fan
17
20
20
14
64
iii
45
power supply
fault indicator lights
installing/removing
interchangeable and redundant
overheating
45
overview
45
replacing failed
46
servicing notes
45
power supply indicator light
power switch
locations
12
turning on and off
precautions
controller fan replacement time limits
fiber-optic cable
4
,
laser
4
52
preparing controller unit
for new location
25
for shut down
25
publications, related
xvi
R
recovering from emergency shutdown
redundant pair of controllers
redundant power supplies
related publications
xvi
removing/replacing
battery
35
bezel
11
controller fan
40
fan and communications module
GBIC
52
mini-hub
49
power supply
46
replacement date, battery
RS-232 (serial) ports
7
S
safety requirements
electrical
v
fiber-optic cables
,
laser cautions
vi
4
serial (RS-232) ports
7
service date of battery
servicing battery
39
shutdown sequence for controller unit
46
48
45
,
17
19
12
40
23
30
,
12
45
43
24
4
,
52
24
,
13
25
Index
69
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