Juniper T640 Hardware Manual page 421

support, technical See technical support
surge protection...................................................................346
Switch Interface ASIC..............................................................9
Switch Interface Boards See SIBs
syntax conventions..............................................................xxvi
T
T-CBs
description........................................................................38
maintaining.....................................................................149
replacing..........................................................................201
taking offline..................................................................198
T-series Control Board
components.....................................................................38
LEDs....................................................................................38
T-series Control Boards See T-CBs
T-series Internet Processor...................................................9
T640 SIBs
description........................................................................30
T640-SIBs
replacing..........................................................................216
taking components offline
FPCs....................................................................................45
taking host subsystem offline..........................................198
technical support
contacting JTAC.........................................................xxviii
telco rack See rack
temperature, acceptable range......................................343
thermal output......................................................................343
tolerances................................................................................343
tools required
chassis
returning for repair or replacement..............378
hardware components
returning for repair or replacement..............378
maintenance..................................................................145
replacement....................................................................175
transmission distances, fiber-optic cable...................361
troubleshooting
cooling system..............................................................168
fans....................................................................................168
FPCs..................................................................................169
PIC......................................................................................170
power system..................................................................171
U
U (rack unit).............................................................................66
unpacking the router...............................................................71
Copyright © 2010, Juniper Networks, Inc.
W
warnings
electrical..........................................................................325
levels defined.................................................................301
maintenance and operational.................................319
wavelength ranges supported by fiber-optic
cable......................................................................................361
wiring, electrical See electricity
X
XENPAK module...................................................................235
installation instructions.............................................237
removal instructions..................................................236
Index
391