Installing the IOM-a
114 7750 SR-a4 and SR-a8 Installation Guide
Installing the IOM-a
The 7750 SR-a4 has one IOM-a in slot 3, as shown in Figure 38. The 7750 SR-a8 has up to
two IOM-a cards, one in slot 3, the other in slot 6. Table 51 describes the installation features;
the features apply to both chassis.
Figure 38: Installing an IOM-a
Required tools:
• #2 Phillips or flat blade torque driver
To install an IOM-a:
7750 SR
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Lnk
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8
Lnk
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7
Lnk
A
c
t
6
Lnk A
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5
Lnk
Act
4
Lnk
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ct
3
Lnk
Ac
t
2
Lnk
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1
Lnk Act
P
w
r
7
7
5
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4
4
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1
2
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5
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7
8
9
1
0
1
1
1
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1
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1
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1
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2
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0
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3
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3
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3
8
3
9
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0
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1
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2
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4
4
1
7
1
8
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2
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2
1
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7750
S
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Air
F
ilt
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A
c
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7
7
50
S
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-a
4
1
2
3
4
3
4
24560
Table 51: Installing an IOM-a Features
Key Description
1 IOM-a positioned in the chassis slot guides
2 Threaded receptacle on the chassis
3 IOM-a captive screws, one on each side of the IOM-a
4 Ejector lever, one on each side of the IOM-a (in open position)
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