Removing the system grounding – Cisco 12012 User Manual
Page 20
20 Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions
Removing and Replacing a Card Cage Assembly
Removing the System Grounding
Your system might have two system grounding cable lugs attached to two system receptacles located
on the card cage assembly side flanges between the air filter tray and the power supply bays. (Refer
to Figure 12.) You must remove the system grounding connector before you can remove card cage
assembly.
Figure 12
System Grounding Receptacles
Perform the following steps to remove a system grounding lug from the card cage assembly:
Step 1
Remove the two screws, washers, and nuts that secure the system grounding lug to the
card cage assembly. (Refer to Figure 13.) Save the mounting hardware, you will use it in
a later procedure.
Step 2
Remove the system grounding cable and set it aside.
Repeat Step 1 and Step 2 for a second system grounding connector.
SL
OT
-0
R
OUTE PR
OCESSOR
SL
OT
-1
CO
LL
LIN
K
TX
RX
RJ
-4
5
M
II
RE
SE
T
AU
X
CO
NS
OL
E
EJ
EC
T
AC
TIV
E
0
CA
RR
IE
R
RX
P
KT
AC
TIV
E
1
CA
RR
IE
R
RX
P
KT
AC
TIV
E
2
CA
RR
IE
R
RX
P
KT
AC
TIV
E
3
CA
RR
IE
R
RX
P
KT
Q OC-3/STM-POS
AC
TIV
E
0
CA
RR
IE
R
RX
C
EL
L
OC-12/STM-4 A
T
M
OC-12/STM-4 POS
AC
TIV
E
0
CA
RR
IE
R
RX
C
EL
L
AC
O
/LT
ALARM
CS
C
0
FA
IL
1
0
1
2
EN
AB
LE
D
CR
ITIC
AL
M
AJ
O
R
M
IN
O
R
SF
C
ALARM 1
ALARM 2
H10899
System grounding
receptacles