Juniper MX240 Hardware Manual page 242

MX240 Ethernet Services Router Hardware Guide
specifications
AC power cord....................................................174
cable...................................................................179
power..........................................................170
Routing Engine management ports..............183
See also cable, DPC
clearance around rack...........................................32
electrical.............................................................174
cable and wiring..........................................176
environmental....................................................163
fire safety............................................................130
power
drawn by hardware components.................171
system.........................................................165
power system.....................................................171
rack
connection to building structure....................32
front-mount flange hole spacing....................32
mounting bracket hole spacing......................32
size and strength...........................................31
thermal output....................................................163
wires to external alarm-reporting devices...........183
standards compliance................................................155
startup, system
monitoring......................................................55, 58
status indicator lights for Routing Engine.....................14
support, technical See technical support
surge protection.........................................................176
Switch Control Boards See SCBs
syntax conventions....................................................xviii
T
taking host subsystem offline.......................................96
technical support
contacting JTAC.................................................xxvii
telco rack See rack
temperature, acceptable range...................................163
thermal output...........................................................163
tolerances..................................................................163
tools required
chassis
returning for repair or replacement.............204
hardware components
returning for repair or replacement.............204
maintaining..........................................................67
replacement..........................................................88
traceroute command....................................................79
transmission distances, fiber-optic cable....................179
troubleshooting
CLI commands......................................................79
cooling system......................................................82
DPC......................................................................83
fans.......................................................................82
power system.......................................................84
214
Index
U
U (rack unit).................................................................31
unpacking the router....................................................37
W
warnings
electrical.............................................................144
general................................................................127
installation..........................................................131
laser and LED.....................................................136
levels defined......................................................125
maintenance and operational.............................139
wavelength ranges supported by fiber-optic
cable.......................................................................179
wiring, electrical See electricity
X
XFP
description..........................................................110
installing.............................................................112
removing............................................................110