Juniper MX2020 Hardware Manual page 447

G
grounding
equipment warning.....................................................337
requirements warning................................................337
grounding (electrical) specifications
DC-powered router....................................................380
grounding cables
lug.....................................................................................380
guidelines
laser safety.....................................................................328
safety ................................................................................317
H
Hardware
maintaining.....................................................................147
hardware components
power requirements...........................................361,
higher-order mode loss (HOL).......................................385
host subsystem
LEDs on the craft interface.........................................36
maintaining.....................................................................163
overview.............................................................................25
taking offline.................................................................228
hot-pluggable components,
humidity (relative), acceptable......................................355
I
immunity standards............................................................347
input mapping three-phase delta AC PDM
three AC PSMs...............................................................120
input mapping three-phase wye AC PDM
three AC PSMs...............................................................125
installation instructions
ADCs.................................................................................248
alarm relay contact wires
during initial installation......................................111
for maintenance or replacement...........215,
tools required........................................................109
cable, auxiliary or console port (for Routing
Engine management)
during initial installation....................................110
tools required........................................................109
cable, Ethernet port (for Routing Engine
management)
during initial installation...................................109
tools required........................................................109
cable, MIC
for maintenance or
Copyright © 2013, Juniper Networks, Inc.
373
description.......................211
217
replacement.................259
cable, MPC
for maintenance or
CB-RE...............................................................................233
chassis
tools required.........................................................86
craft interface.................................................................216
dual-wide MICs............................................................256
MIC cables........................................................................113
MIC, connecting..............................................................113
MPC cables......................................................................113
MPC, connecting............................................................113
MPCs................................................................................249
power and grounding cables
tools required.........................................................115
SFB....................................................................................237
SFP....................................................................................263
single-wide MIC............................................................254
transceiver......................................................................263
unpacking the router..............................................75,
XFP....................................................................................263
installation overview
chassis
pallet jack.................................................................85
installation warning.............................................................322
installing
AC power supply module.................................127,
AC power, connecting..................................117, 122,
AC PSM.............................................................................127
air baffle...........................................................................222
DC cable manager.......................................................310
DC PDM.............................................................................131
DC power distribution
DC power supply.........................................................266
DC power supply module.................................134,
DC power, connecting.........................................131,
DC PSM............................................................................134
electromagnetic interference
EMI card cage covers....................................................311
lower air filter.................................................................225
lower cable manager.................................................308
lower fan tray................................................................220
middle card cage cable manager air
overview............................................................................65
parts received, verifying...............................................78
PSM air filter..................................................................225
Three-phase delta AC power distribution
module.......................................................................280
Three-phase wye AC power distribution
module........................................................................292
Index
replacement.................259
76
303
127
module.................................131
272
134
covers.....................311
filter..........225
421