Installation guide

Memory Replacement Procedures
B-4 Mode Switch Settings and Installing Options
DRAM SIMM Replacement Procedure
BeforeyoucanreplacetheDRAMSIMM,youmustgainaccesstoitbyremovingthe
Ethernetinterfacemodule,asdescribedinthefollowingsection.
Removing the Optional Interface Module
RefertoFigure B‐3andproceedasfollows:
1. Attachtheantistaticwriststrap(refertotheinstructionsontheantistaticwriststrap
package).
Figure B-3 Removing the Optional Interface Module
2. RemoveandsavethetwocoverplatescrewsfasteningtheEthernetinterfacemodule
totheDFE modulefrontpanel.
3. RemoveandsavethescrewfasteningtheEthernetinterfacemoduletothe
standoffon
themainPCboard.Thescrewsremovedinsteps2and3areusedlatertoreinstallthe
Ethernetinterfacemodule.
Caution: Observe all Electrostatic Discharge (ESD) precautions when handling sensitive
electronic equipment.
Precaución: Al trabajar con equipos electrónicos sensibles, tome todas las precauciones
de seguridad para evitar descargas de electricidad estática.
1 Coverplate screws (2) 4 Screw
2 Ethernet interface module 5 Main PC board
3 DFE module front panel 6 Main board connectors
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
G
R
O
U
P
1
G
R
O
U
P
2
G
R
O
U
P
3
OFFLINE/
RESET
COM
CPU
M
G
M
T
GR
OUP
SELECT
GR
OUP
3
3
1
2
4
5
6
1
2
1
2
3
4
5
6
1
2
3
4
5
6
7G-6MGBIC-A
7
G
4
2
8
0
-
1
9
Gb ENET
DFE
À
Á
Â
Å
Ã
Ä