Juniper J-series Services Router J2350 Hardware Manual page 278

JUNOS Software with Enhanced Services Hardware Guide
T
T1 ports
description............................................................48
See also channelized T1 ports
LED states.............................................................49
RJ-48 cable pinouts.............................................191
T3 ports
BNC connector pinouts.......................................194
description............................................................51
LED states.............................................................52
technical publications list.............................................xx
technical support
contacting JTAC...................................................xxii
contacting JTAC for hardware return...................172
information required for hardware return...........172
telecommunications line wire gauge..........................215
Telnet
defining access (Quick Configuration).................106
management access.............................................95
temperature
required for operation...........................................66
Routing Engine, too warm..................................158
shutdown, NEBS-compliant routers.................19, 32
shutdown, non-NEBS-compliant routers................32
warning..............................................................229
temperature alarm, air filter replacement for.............154
terminology
basic connectivity.................................................91
PIMs.....................................................................35
thermal output.............................................................66
time See system time
time zone.....................................................................93
defining (configuration editor)............................112
defining (Quick Configuration)............................105
TN power system.......................................................214
tolerances, environmental............................................66
tools and equipment
for component replacement...............................119
for hardware return............................................173
troubleshooting
root password recovery......................................161
troubleshooting a Services Router, hardware
components
chassis alarm conditions.....................................158
offline PIMs.........................................................159
power management............................................159
turning on a Services Router........................................89
TX/RX LED.......................................................17, 29, 46
Type C fire extinguishers..............................................67
U
U port See ISDN BRI ports
United States, compliance statements........................237
universal serial bus See USB
unpacking the router....................................................78
254
Index
uPIMs, Gigabit Ethernet See Gigabit Ethernet uPIMs
URLs
datasheets.............................................................35
PIM information and datasheets...........................35
release notes.........................................................xv
return and repair policies....................................173
support...............................................................167
USB (universal serial bus)
storage device, installing.....................................135
storage device, removing....................................134
storage device, replacing.....................................134
USB port.........................................................17, 30
utilities, for compact flash recovery...........................165
V
V.35 DCE cable pinouts..............................................187
V.35 DTE cable pinouts..............................................186
ventilation requirement................................................63
verification
basic connectivity...............................................113
W
warnings
battery handling.................................................226
DC power cables.................................................204
DC power disconnection.....................................205
DC power plant and chassis ground......................71
DC wiring sequence............................................207
DC wiring terminations.......................................209
DC-powered J4350 and J6350 routers, restricted
access installation only .....................................68
earthed mains socket (Norway and Sweden
only)................................................................211
electrical.............................................................201
ESD strap to prevent router damage.....................21
follow lifting guidelines...................................79, 81
general................................................................199
grounded equipment..........................................210
installation..........................................................216
jewelry removal..................................................227
laser and LED.....................................................221
levels defined......................................................197
lightening activity...............................................228
maintenance and operational.............................225
multiple power supply disconnection..................211
operating temperature........................................229
personnel............................................................200
power disconnection...........................................213
product disposal.................................................231
rack-mounting requirements...............................217
ramp angle.........................................................221
read installation instructions...............................216
restricted access location for DC-powered
routers......................................19, 31, 32, 79, 80