3Com 100 TX User Manual page 18

3com hub user guide
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2-4
C
2: I
HAPTER
NSTALLING THE
FMS 100-TX H
UB
6 Attach brackets to both sides of the other hubs to be rack-mounted, as
described in steps 2 through 4.
7 Insert each hub into the rack and fasten each one individually to the rack
uprights, as shown in Figure 2-3.
1x
2x
1x
2x
1x
2x
Figure 2-3 Installing a Hub Stack in a Rack
8 Repeat steps 2 through 7 when placing additional hubs in the stack.
A single hub stack can contain up to eight units (eight hubs, or seven hubs
and one Management Unit) and two Redundant Power Systems.
9 For each hub, plug one end of the power cord into the AC power connector
and the other end into a power source. (Refer to the section "Using the
Redundant Power System" for information on installing the Redundant
Power System.)
All the LEDs should light momentarily. Verify that the PWR (power) LED
remains ON, indicating that the hub is receiving power.
See Chapter 3 for information about connecting the stack to the network
and interpreting LEDs.
3x
4x
10 0B T
5x
6x
7x
8x
9x
10 x
11 x
3x
12 x
AC TIV
4x
10 0B T
5x
PA RT
6x
7x
8x
9x
10 x
11 x
12 x
3x
AC TIV
4x
10 0B T
5x
PA RT
6x
7x
8x
9x
10 x
11 x
12 x
AC TIV
PA RT
ST AT
ITY
US
LIN K
ITI ON
UN IT
1 2
3 4
3C 25 0-
5 6
Li n k B u
TX /
7 8
FA N FA
il d e r FM
IL
9 10
®
CL SII
11 12
OV ER
S 10 0
10 0B A
TE MP
13
S E- TX
CL SI
CO LL
H ub
ISI ON
PW R
ST AT
ITY
US
LIN K
ITI ON
UN IT
1 2
3 4
3C 25 0-
5 6
TX /
Li n k B u
7 8
FA N FA
il d e r FM
IL
9 10
®
CL SII
11 12
OV ER
S 10 0
TE MP
10 0B A
13
S E- TX
CL SI
CO LL
ISI ON
H ub
PW R
ST AT
ITY
US
LIN K
ITI ON
UN IT
1 2
3 4
3C 25 0-
5 6
TX /
Li n k B u
7 8
FA N FA
il d e r FM
IL
9 10
®
CL SII
11 12
OV ER
S 10 0
TE MP
10 0B A
13
S E- TX
CL SI
CO LL
ISI ON
H ub
PW R

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