Mic Leds; Power Supply Led; Routing Engine Leds; Mx104 Clocking And Timing Ports Overview - Juniper MX104 Hardware Manual

MIC LEDs

Power Supply LED

Routing Engine LEDs

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MX104 Clocking and Timing Ports Overview

Copyright © 2017, Juniper Networks, Inc.
Each hot-removable and hot-insertable MIC has LEDs located on the faceplate. For more
information about LEDs on the MIC faceplate, see the "LEDs" section for each MIC in the
MX Series Interface Module Reference
For information about the built-in MIC LEDs, see
One LED labeled
PS STATUS
information, see "Power Supply LEDs" on page
Three LEDs indicate the status of the Routing Engine. For more information, see
Routing Engine LEDs" on page
Troubleshooting Resources for MX104 Routers on page 197
MX104 Chassis Overview on page 4
Four Subminiature B (SMB) connectors (for 10-MHz and 1-PPS), one RJ-48 port (for
BITS), and one RS-232 port (for TOD) on the front panel of the router connect to external
clock signal sources. The clocking ports provide the synchronized output clocks from any
one of the reference clock inputs based on the clock's priority.
The reference clock inputs can be Ethernet-recovered clocks, T1 or E1 line clocks, IEEE
1588v2-recovered clocks, BITS timing, 10-MHz timing, and 1-PPS timing. The T1 or E1 line
clock also supports loop timing. These clocking ports distribute a synchronized clock
signal throughout the chassis by locking onto the selected clock source. In the absence
of these configured ports, the local oscillator present in the system provides the chassis
synchronization.
Clock sources within the MX104 router include:
External clock timing port
10-MHz timing connectors (one input and one output)
1-pulse-per-second (PPS) connectors (one input and one output)
Time-of-day (TOD) RS-232 port
Synchronous Ethernet support on SFP ports as timing input or output
Packet (IEEE 1588-2008) v2 timing includes:
Timing input when configured as Ordinary Clock (OC) or Boundary Clock (BC)
Timing output when configured as BC
Chapter 2: Chassis Components and Descriptions
.
"MIC LEDs" on page
indicates the status of the power supply. For more
61.
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