Juniper MX2020 Hardware Manual page 452

MX2020 3D Universal Edge Router Hardware Guide
show chassis hardware command...............................393
show chassis environment psm
signal dispersion...................................................................385
signaling, distance limitations.........................................382
single-mode fiber-optic cable See cables,
fiber-optic
single-wide MICs
installing..........................................................................254
site
electrical wiring specifications...............................382
environmental specifications.................................355
preparation
checklist....................................................................67
routine inspection of...................................................148
six AC PSMs
input mapping three-phase
input mapping three-phase
specifications
AC power cord..............................................................370
cable.................................................................................385
power......................................................................360
Routing Engine management
See also cable, MIC
See also cable, MPC
clearance around rack...................................................71
cord
power......................................................................370
DC power cable...........................................................360
electrical
cable and wiring..................................................382
environmental..............................................................355
physical............................................................................351
power
drawn by hardware
components............................................361,
system.....................................................................357
power system.......................................................361,
rack
connection to building
front-mount flange hole
size and strength...................................................69
thermal output.............................................................355
wires to external alarm-reporting
devices........................................................................388
SPMB
maintaining.....................................................................147
standards compliance........................................................347
startup, system
monitoring..............................................................129,
426
command...............202
delta..........................120
wye............................125
ports............388
373
373
structure.....................70
spacing....................70
136
status indicator lights for CB-RE...............................28,
steps to unpack router
unpacking the router.....................................................75
support, technical See technical support
surge protection....................................................................382
Switch Fabric Boards See SFBs
syntax conventions..............................................................xxiv
System version
maintaining.....................................................................147
system version
verifying............................................................................149
T
taking host subsystem offline.........................................228
technical support
contacting JTAC............................................................xxv
temperature, acceptable range......................................355
terminal blocks for AC power
thermal output......................................................................355
Three-Phase Delta AC PDM
electrical specifications...............................................42
three-phase delta AC PDM
connecting power..........................................................117
Three-Phase Delta AC PDM LEDs
electrical specifications..............................................46
Three-phase delta AC power distribution
replacing..........................................................................276
Three-phase delta AC power distribution module
installing.........................................................................280
removing..........................................................................276
Three-Phase Delta AC Power Distribution Module
Specifications...................................................................369
three-phase delta and wye AC power distribution
module
cords See AC power cord, specifications
three-phase delta and wye AC power distribution
modules
cords See AC power
Three-Phase Wye AC PDM
electrical specifications...............................................44
Three-Phase Wye AC PDM LEDs
electrical specifications..............................................46
Three-phase wye AC power distribution
replacing.........................................................................288
Three-phase wye AC power distribution module
installing..........................................................................292
Three-Phase Wye AC Power Distribution Module
Specifications....................................................................370
tolerances................................................................................355
Copyright © 2013, Juniper Networks, Inc.
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cords..............................370