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Replace Routing E
ngine Components
Figure 39: Connect Power Cables to a DC Power Supply
1331
RTN
-48V
Grounding
point
Grounding
lug
To ground
Replace R
outing Engine Components
For instructions on replacing Routing Engine components, see the following sections:
• Remove and Insert t he PC Card on page 112
• Replace the Routing Engine on page 115
• Replace C onnectors to Routing Engine Interface Ports on page 118
Remove and Insert the PC Card
The slot labeled PC CARD on the Routing Engine faceplate accepts a Type I PC card,
as defined in the PC Card Standard published by the Personal Computer Memory Card
International Association (PCMCIA). The router is shipped with a PC card that contains
JUNOS Internet software. You can also copy JUNOS software from the Routing Engine onto a
PC card, for example, to create a backup copy of upgrade software that you have obtained
from Juniper Networks. Instructions for copying software to a PC card are available at the
JuniperNetworksCustomerSupportCenterWebsite(http://www.juniper.net/support); after
logging in, navigate to the download page for JUNOS Internet software.
11 2 M5 and M10 Internet Routers Hardware Guide