Juniper MX2020 Hardware Guide

RE-MX2000-1800x4 CB-RE Front Panel
Figure 24 on page 51 shows the Control Board and Routing Engine (CB-RE)—RE-MX2000-1800x4.
Table 14 on page 51 describes the Control Board and Routing Engine (CB-RE)—RE-MX2000-1800x4 ports.
Figure 24: RE-MX2000-1800x4 CB-RE Front View
RESET
ONLINE
OFFLINE
AUX
MGMTCONSOLE
USB
g100047
1 2 3 4 5 6 7 8
11 10 9
Table 14: Components on the RE-MX2000-1800x4
DescriptionLabelFunction No.
This port is used to connect a laptop, modem,
or other auxiliary unit.
AUX1
This port is used to configure the MX2000
router.
CONSOLE2
This port is a dedicated management channel
for device maintenance. It is also used for
system administrators to monitor and manage
the MX2000 router remotely.
MGMT3
This port is used to install a USB flash drive that
contains Junos OS.
USB4
Reboots the CB-RE.RESET5
Takes the Routing Engine on the CB-RE online
or offline.
ONLINE/OFFLINE6
These LEDs are associated with each of the
SFP+ ports (XGE-0 and XGE-1) and indicate the
connection in use.
LINK7
Connects the CB-RE to two external clock
interfaces for BITS and GPS function through
a serial cable with an RJ-45 connector.
ExtClk-1 and ExtClk-28
51

Juniper MX2020 Specifications

General

Brand	Juniper
Model	MX2020
Category	Network Router
Language	English