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grounding See DC power and grounding cables
power See AC power cord
cable management system
description............................................................17
fiber-optic cable, use with.....................................74
installation..........................................................122
removal..............................................................121
case number, for JTAC...............................................202
CBs
taking offline.........................................................96
chassis...........................................................................5
alarm messages See alarm, messages
dimensions.............................................................5
ESD points..............................................................5
grounding points.................................................6, 7
installing in rack...................................................46
lifting guidelines..................................................131
weight.....................................................................5
checklist for site preparation........................................29
chromatic dispersion in fiber-optic cable....................180
cleaning instructions
fiber-optic transceivers..........................................74
clearance, around rack.................................................32
CLI
as troubleshooting tool..........................................79
command
to display chassis alarm messages.................80
to display DPC status...............................72, 74
to display serial number..............................197
commands
ping......................................................................79
show chassis alarms.............................................80
show chassis DPC pic-status.................................74
show chassis fpc
for DPC status................................................72
show chassis hardware.......................................197
traceroute.............................................................79
comments, in configuration statements......................xix
compatibility, electromagnetic...................................176
compliance
EMC requirements..............................................157
general standards...............................................155
components
cable management system...................................17
chassis....................................................................5
cooling system......................................................24
craft interface.......................................................17
DPC........................................................................8
field replacement..................................................87
host subsystem.....................................................11
midplane................................................................8
overview.................................................................5
power supplies......................................................21
redundancy.............................................................4
Routing Engine.....................................................14
SCB.......................................................................11
configuration
router....................................................................61
console port
description............................................................16
CONSOLE port See console port
console port (for Routing Engine management)
cable
connection during initial installation..............50
connector pinout (RJ-45)..............................185
replacement instructions.............................105
specifications...............................................183
conventions
notice icons........................................................xviii
text and syntax..................................................xviii
cooling system
description............................................................24
troubleshooting.....................................................82
craft interface
alarm cutoff/lamp test button................................18
alarm relay contacts..............................................21
description............................................................17
DPC LEDs.............................................................20
host subsystem LEDs............................................19
LEDs
alarm (red and yellow)...................................18
power supply LEDs...............................................19
replacing...............................................................89
routine inspection of.............................................67
SCB LEDs..............................................................20
curly braces, in configuration statements....................xix
customer support.....................................................xxvii
contacting JTAC.................................................xxvii
D
DC power cables
lugs.....................................................................170
specifications......................................................170
DC power supply
cables See DC power cables
description............................................................23
electrical specifications.........................................23
DC power supply cable
replacing.............................................................119
DC specifications
electrical.............................................................167
Dense Port Concentrator See DPC
dispersion in fiber-optic cable....................................180
documentation set
comments on.....................................................xxvi
DPC...............................................................................8
connecting............................................................51
LEDs.....................................................................20
maintaining..........................................................72
maintenance.........................................................74
power budget calculation....................................181
210 ■ Index
MX240 Ethernet Services Router Hardware Guide