Juniper T640 Hardware Manual page 505

SIB................................................................................30,
T-CBs.................................................................................46
lightning activity warning...................................................401
link loss, calculating............................................................446
lithium battery compliance...............................................418
lug for grounding cables....................................................425
lugs for DC power cables...................................................432
M
maintaining
air filters...........................................................................180
control boards...............................................................184
fan trays............................................................................181
host subsystem.............................................................183
power supplies..............................................................194
SCGs..................................................................................185
SIBs....................................................................................193
maintenance guidelines
cable
PIC..............................................................................191
FPC....................................................................................186
overview...........................................................................179
PIC.......................................................................................191
warnings.........................................................................399
manuals
comments on................................................................xxxi
MCS
figure...................................................................................44
midplane.....................................................................................15
description.........................................................................15
functions.............................................................................15
midplane energy hazard warning..................................406
modal dispersion in fiber-optic
mode loss, higher-order....................................................445
multimode fiber-optic cable See cables, fiber-optic
N
NEBS standards....................................................................415
notice icons.............................................................................xxix
O
open-frame rack See rack
operating temperature warning.....................................402
overview
router.....................................................................................3
P
Packet Forwarding Engines
architecture and data
Copyright © 2013, Juniper Networks, Inc.
55
cable..........................445
flow............................................7
parentheses, in syntax descriptions...............................xxx
PC card, replacing................................................................268
PEMs see power supplies....................................................59
physical specifications........................................................421
PICs..............................................................................................29
ATM, use of analyzer....................................................191
connecting.......................................................................141
description........................................................................29
maintenance...................................................................191
replacing.........................................................................293
replacing cables...........................................................298
SONET/SDH
alarm messages..................................................202
analyzer, use of......................................................191
status, checking.............................................................191
troubleshooting...........................................................206
pinouts
DB-9 cable connector ports
(auxiliary/console).................................................450
RJ-45 Ethernet cable connector
RJ-48 cable connector
plug types
AC......................................................................................439
power
budget calculation......................................................446
cords See AC power cord;
disconnection warning (DC
margin calculation......................................................446
requirements and specifications...........................425
requirements for hardware
surges...............................................................................426
power supplies
cable
replacing................................................................334
cables See DC power cables
description........................................................................59
electrical specifications............................................428
LEDs..............................................................62, 65, 68,
maintaining.....................................................................194
two-input 160-A DC
inputs..........................................................................61
power system
troubleshooting............................................................207
power system components
replacing.........................................................................307
powering off router...............................................................168
powering on the router........................................................162
product disposal warning.................................................403
Index
port..................449
port....................................450
power).....................407
components...........430
74
473