Juniper Networks MX480 - Manual (Page 362)

Juniper Networks Technical Assistance Center
(JTAC)..................................................................................... 151
L
laser
beam warning............................................................... 258
Class 1 laser warning................................................... 257
safety guidelines.......................................................... 256
LEDs
AC power supplies......................................................... 44
alarm (red and yellow on craft interface)
description................................................................ 37
Class 1 LED warning..................................................... 257
DC power supplies........................................................ 46
DPC............................................................................... 12 , 39
fan................................................................................ 40 , 49
FPC...................................................................................... 39
host subsystem....................................................... 26 , 38
MIC........................................................................................ 16
MPC............................................................................... 15 , 39
on components.............................................................. 151
on craft interface.......................................................... 150
power supplies................................................................ 39
Routing Engine......................................................... 35 , 36
safety warnings............................................................. 257
SCB..................................................................................... 40
lightning activity warning.................................................. 262
link loss, calculating............................................................ 309
lithium battery compliance............................................... 279
lugs for DC power and grounding cables.................... 296
lugs for DC power cables.................................................. 304
M
maintaining
DPC........................................................................... 130 , 138
DPC cable........................................................................ 138
FPC..................................................................................... 132
host subsystem............................................................. 128
MIC..................................................................................... 138
MPC................................................................................... 138
PIC...................................................................................... 138
PIC cable.......................................................................... 138
maintenance guidelines
air filter.............................................................................. 124
cable
PIC............................................................................. 134
DPC.................................................................................... 130
fan tray.............................................................................. 124
MIC...................................................................................... 137
MPCs................................................................................. 135
PIC...................................................................................... 134
warnings......................................................................... 259
management
port See Ethernet port
manuals
comments on................................................................ xxiii
MIC cables
connecting...................................................................... 100
replacing.......................................................................... 222
MICs
cable, installation instructions............................... 224
connecting...................................................................... 100
description......................................................................... 15
dual-wide, installing.................................................... 212
LEDs..................................................................................... 16
maintaining............................................................ 137 , 138
replacing......................................................................... 208
serial number................................................................ 323
status, checking.................................................... 137 , 138
midplane....................................................................................... 9
description.......................................................................... 9
functions.............................................................................. 9
midplane energy hazard warning.................................. 266
modal dispersion in fiber-optic cable........................... 307
mode loss, higher-order..................................................... 307
Modular Interface Cards See MICs
MPC cables
connecting...................................................................... 100
replacing.......................................................................... 222
MPCs
cable, installation instructions............................... 224
components...................................................................... 14
connecting...................................................................... 100
description......................................................................... 13
LEDs.............................................................................. 15 , 39
maintaining............................................................ 135 , 138
replacing......................................................................... 203
serial number................................................................. 322
status, checking.......................................... 135 , 138 , 156
troubleshooting............................................................ 156
multimode fiber-optic cable See cables, fiber-optic
MX SCB
components..................................................................... 27
description........................................................................ 26
MX SCBE
description........................................................................ 29
MX SCBes
components.................................................................... 30
Copyright © 2013, Juniper Networks, Inc. 338
MX480 3D Universal Edge Router Hardware Guide