Installing the Components
7705 SAR-8 Installation Guide Page 97
The 7705 SAR-8 cannot boot without a CSM installed. CSMs are installed in slots A and B.
Install a CSM in slot A for a simplex control configuration. Install two CSMs
—one in slot A
and another in slot B
—for a redundant control configuration. Figure 25 illustrates the
installation of a CSM in slot A.
Refer to CSM Connectors and LEDs on page 128 for a description of the CSM LEDs.
Refer to Replacing a CSM on page 137 for instructions on replacing a CSM.
Tools required:
• torque driver for Phillips screws
Figure 25: Installing the CSM
CSM A
SLOT ID
MDA 1
MDA 3
MDA 5
CSM B
MDA 2
MDA 4
MDA 6
Minor
Major
Critical
Batt B
Batt A
Fan
Alarm
External
Alarms
ACO/LT
FAN
7705 SAR-8
CSM
Stat
Pwr
Act
Console
In
Sync
Out
Mgmnt Port
19603
2
3
3
4
4
1
Batt. A
-
+
-
+
Batt. B
Table 21: CSM Installation Features
Key Description
1 CSM card
2 Slot guide
3 Captive screw
4 Ejector lever