Enterasys Networks Enterasys Gold Distributed Forwarding Engine 4H4285-49 - Manual (Page 74)

Gaining Access to Memory Modules
B-4 Mode Switch Settings and Option Installations
Figure B-2 DRAM SIMM/DIMM Locations (4H4285-49 shown without safety cover)
Gaining Access to Memory Modules
Before you can replace the DRAM SIMM, you must gain access to it by removing the
safety cover and the network expansion module (NEM), if one is installed. To gain access
to the DIMM, you only need to remove the safety cover.
1 DRAM SIMM 2 DIMM 3 Main PC board
Á
1X
G R O U P 1
G R O U P 2
11X
13X
23X
OFFLINE/ RESET
COM CPU
M G M T
GR OUP
SELECT
GR OUP
1 2 3 4 5 6 7 8 9 10 11 12
POE
12
X
14X
24X
G R O U P 3
25X
35X
26X
36X
G R O U P 4
37X
47X
38X
48X
1 2 3 4
48V
--- 20A
MAX
OPTIONAL PO
WER INPUT
4H4
28 5- 49
FA ST ENET
DFE
А
В
1
2
3
4
5
6
1 2 3 4 5 6
7G-6MGBIC-A
Electrical Hazard: To prevent exposure to an energy hazard in a 4H4285-49 connected
to an external N-POE Power System, disconnect the 48-Vdc power cable from the 48-Vdc
input connector before servicing or removing the 4H4285-49.
Riesgo Eléctrico: Para prevenir la exposicion a un riesgo electrico en una tarjeta
7H4385-49 conectada a un sistema externo de energia N-POE Power System,
desconectar el cable de poder de 48-Vdc del conector de entrada 48-Vdc antes de dar
servicio o remover la tarjeta 4H4285-49.
Elektrischer Gefahrenhinweis: Um den Schutz vor el. Schäden des Moduls
(4H4285-49) zu gewähleisten, bei Verwendung der N-POE Systeme, sollte dies bevor
man dieses entnimmt oder Servicearbeiten daran vornimmt, vom 48-Vdc Stecker getrennt
werden.