Juniper MX2020 Hardware Manual page 55

Related
Documentation
Copyright © 2013, Juniper Networks, Inc.
Table 8: Components on the RE-MX2000-1800x4 (continued)
Function No.
3
4
5
6
7
8
9
10
RJ-45 Connector Pinouts for MX Series CB-RE AUX and CONSOLE Ports on page 392
RJ-45 Connector Pinouts for an MX Series CB-RE MANAGEMENT Port on page 391
Removing an MX2020 CB-RE on page 232
MX2020 Host Subsystem Description on page 25
Chapter 2: MX2020 Hardware Components
Label Description
This port is a dedicated management
MGMT
channel for device maintenance. It is
also used for system administrators to
monitor and manage the MX2020
router remotely.
This port is used to install a USB flash
USB
drive that contains Junos OS.
Reset button used to reboot the CB-RE.
RESET
LINK These LEDs are associated with each
of the SFP+ ports (XGE-0 and XGE-1)
indicates the connection in use.
and Connects the CB-RE to two external
ExtClk-1 ExtClk-2
clock interfaces for BITS and GPS
function through a serial cable with an
RJ-45 connector.
GPS , BITS , and UTI There is one bicolor LED for each
external clock interface—BITS and GPS.
NOTE:
and Two SFP+ ports connects the CB-RE
XGE-0 XGE-1
through an Ethernet connection to
support hardware diagnostics and JCS
port testing. The port uses an RJ-45
connector to support 2 x 10-Gbps
connections.
, , and There is one bicolor LED for each CB-RE
ONLINE MASTER
control. The
OK/FAIL
the CB-RE is transitioning online and
functioning properly. The
indicates that this board is a master
Control Board and Routing Engine
(CB-RE) , and the
indicates the CB-RE has failed.
UTI is not supported.
LED indicates that
ONLINE
LED
MASTER
LED
OK/FAIL
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