M7I Routing Engine Management Ports; Figure 11: Routing Engine Interface Ports - Juniper M7i Hardware Manual

M7i Routing Engine Management Ports

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Copyright © 2019, Juniper Networks, Inc.
The router attempts to boot from three devices in this order:
PC Card
CompactFlash card
Hard disk
NOTE: If the router boots from an alternate boot device, a yellow alarm lights
the LED on the router's craft interface.
On the right half of the Routing Engine are ports for connecting the Routing Engine to
one or more external devices on which system administrators can issue Junos OS
command-line interface (CLI) commands to manage the router.
The ports are labeled and function as follows:
—Connects the Routing Engine to a system console through an RS-232
CONSOLE
(EIA-232) serial cable.
AUX/MODEM — Connects the Routing Engine to a laptop, modem, or other auxiliary
device through an RS-232 (EIA-232) serial cable.
—Connects the Routing Engine through an Ethernet connection to a management
MGMT
LAN (or any other device that plugs into an Ethernet connection) for out-of-band
management. The port uses an autosensing RJ-45 connector to support both 10- and
100-Mbps connections. Two small LEDs on the left edge of the port indicate the
connection in use: the yellow LED lights for a 10-Mbps connection and the green LED
lights for a 100-Mbps connection.
For information about the pinouts for the connectors, see
the M7i Routing Engine MGMT Port" on page
Figure 11 on page 19 shows the ports that connect to the Routing Engine.

Figure 11: Routing Engine Interface Ports

M7i Routing Engine LEDs on page 20
M7i Router Description on page 3
M7i Router Physical Specifications on page 74
M7i Router Power Requirements on page 79
Chapter 5: Host Subsystem Components and Description
"RJ-45 Connector Pinouts for
98.
19