Installing Components
7750 SR-a4 and SR-a8 Installation Guide 117
Figure 40: Installing an MDA-a (7750 SR-a8)
Required tools:
• #2 Phillips or flat blade torque driver
To install an MDA-a card:
Step 1. Remove the MDA-a from the packaging and place it on a flat antistatic work
surface. Do not touch the printed circuit board or connector pins. Hold the card by
the edges.
Step 2. Locate the appropriate chassis slot and MDA-a or MDA-aXP slot.
Table 52: MDA-a Installation Features
Key Description
1 Slot guide
2 Captive screw
3 Threaded receptacle
7
7
5
0
S
R-a
4
F
a
n
Tra
y
P
wr
S
ta
t
Sl
o
t
L
a
you
t
1
/
1
XP
1
/
2
1
/
3
1
/
4
2
/
1
XP
1
2
/
2
XP
2
/
3
2
/
4
C
PM
A
2
C
PM
B
7
7
50 S
R
-
a8
Ser
vice Router
Pwr
Stat
7750
M
DA-
aX
P
1
0
-1
0
G
B
-
S
F
P
+
10
L
n
k
A
c
t
9
L
n
kAct
8
L
n
kA
c
t
7
L
n
kAc
t
6
L
n
k
A
c
t
5
L
n
k
Act
4
L
n
k
Ac
t
3
L
n
k
A
c
t
2
L
n
kAc
t
1
L
n
k
A
c
t
P
w
r
7750 M
DA-aXP
6
-
1
0
G
B
-
S
FP
+
1
-
4
0
G
B-
Q
S
FP
+
St
a
t
6
L
n
kAc
t
7
L
nk
Ac
t
5
L
n
kA
c
t
4
L
n
k
A
c
t
3
L
n
k
Act
2
L
n
kAc
t
1
L
nk
A
c
t
Pwr
7
7
5
0
M
D
A-
a
4
-
1
0
G
B-
S
FP
+
Stat
3
L
nk
Ac
t
4
LnkAc
t
1
L
n
k
A
c
t
2
L
n
k
A
c
t
Pwr
77
50 MDA-a
4
4
-1
G
B
-
C
S
F
P
/
S
F
P
Stat
Lnk
/A
c
t
1
2
3
4
5
6
7 8
9
10
11
12
1
3
14
1
5
1
6
25
26
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
17
18
19
20
21
22
2
3
24
P
w
r
77
50
M
D
A
-a
2
0
-1
G
B
-
T
X
S
t
at
Lnk
1
A
c
t
2
Lnk
3
A
c
t
4
Lnk
5
A
c
t
6
Lnk
7
A
c
t
8
Lnk
9
A
c
t
1
0
Lnk
1
1
A
c
t
1
2
L
n
k
1
3
A
ct
1
4
L
n
k
1
5
A
ct
1
6
L
n
k
1
7
A
ct
1
8
L
n
k
1
9
A
c
t
2
0
P
wr
77
50 MDA-a
1
2
-1
G
B
-S
F
P
2
-1
0
G
B
-S
F
P
+
S
t
at
L
n
k
/
Ac
t
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
Ln
k
Act
1
3
1
4
L
n
k
Act
P
wr
7
7
5
0
M
D
A-
a
4
-
1
0
G
B-
S
FP
+
S
t
at
3
Ln
k
A
c
t
4
L
n
k
Act
1
Ln
k
Act
2
L
n
k
A
c
t
P
wr
7
7
5
0
SR-a
S
t
a
t
Sy
ncE
1/
588
A
l
a
r
ms
1P
P
S
A
C
O
L
T
Cr
i
t
i
c
a
l
L
n
k
D
T
E
P
wr
7750 CPM-a
S
t
at
C
onso
l
e
Mg
mt OE
S
BITS
Co
mp
a
ct
F
l
a
s
h
D
C
E
ActLn
k
A
c
t
Ma
j
o
rMi
n
or
S
y
nc
E
1
/
5
8
8
A
la
r
ms
1
P
P
S
A
C
O
L
T
C
r
i
t
i
c
a
l
L
n
k
D
T
E
P
wr
7750
C
PM
-a
S
t
at
C
onsol
e
Mgm
t
O
E
S
BI
T
S
Co
mp
a
ct
F
l
a
sh
DC
E
Ac
t
L
n
k
A
c
t
Maj
o
r
Mi
n
or
S
y
ncE/15
8
8
A
larms
1
P
P
S
A
C
O
/
L
T
Cr
i
t
i
c
a
l
Lnk
DTE
P
w
r
7
7
5
0
C
P
M-a
S
t
a
t
Co
n
so
l
e
M
gmt O
ES
B
I
TS
C
om
pact
Fl
as
h
DCE
A
c
t
Lnk
Ac
t
M
a
j
or Mi
nor
Sy
n
c
E/1
5
8
8
A
la
r
m
s
1
P
P
S
A
CO/
L
T
Cr
i
t
i
c
a
l
Lnk
D
T
E
Pwr
7
7
5
0
C
P
M-a
S
t
a
t
Co
n
so
l
e
M
gmt
O
E
S
B
I
TS
C
om
pact
Fl
ash
DCE
Ac
t
Lnk Ac
t
M
a
j
or Mi
nor
P
w
r
S
t
a
t
7
7
5
0
M
D
A-aXP
1
0
-
1
0
G
B-
S
FP
+
10
Lnk A
c
t
9
Lnk A
c
t
8
Lnk A
c
t
7
Ln
k
A
c
t
6
Ln
k
A
c
t
5
L
n
k
A
c
t
4
Lnk
Act
3
Lnk
A
c
t
2
Ln
k
Act
1
Lnk
Act
Pwr
7750 CPM-a
1-100GE-C
F
P
St
at
L
n
k
A
ir
F
ilt
er
A
c
c
e
s
s
7750
SR
-a8
1
3
2
2
24550