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D
daemons See processes, software
datasheets URL............................................................43
DB-9 connector pinouts
chassis console port............................................235
TGM550 console port..........................................239
DB-9 to DB-25 serial port adapter..............................142
DC power
cables See DC power cables
connecting power...............................................126
dedicated DC power feed requirement...............197
electrical specifications.......................................109
grounding requirements and warning.................257
grounding the router...........................................127
installing a J6350 power supply..........................196
J2320 system........................................................24
J2350 system........................................................24
J4350 system........................................................36
J6350 system........................................................37
power disconnection warning.............................255
removing a J6350 power supply.........................195
requirements......................................................109
safety guidelines (general)...................................254
safety guidelines, power sources for redundant
power supplies................................................255
wiring sequence warning....................................257
wiring terminations warning...............................259
DC power cables
electrical specifications.......................................111
physical requirements.........................................111
replacing.............................................................194
usage warning.....................................................254
Declaration of Conformity..........................................285
default gateway
defining (Quick Configuration)............................146
description..........................................................134
deleting
all configurations with RESCUE CONFIG
button.........................................................22, 35
licenses (CLI).......................................................165
licenses (J-Web)...................................................164
DHCP (Dynamic Host Configuration Protocol)............134
DHCP server
after initial configuration.....................................134
before initial configuration..................................134
regaining lost lease after initial
configuration...................................................145
diagnosis
chassis................................................................209
hardware............................................................209
dial-up modem connection See modem connection to
router console port
DID on line ports..............................................73, 75, 78
digital certificate See SSL certificates
digital subscriber line See ADSL; SHDSL
DIMMs (dual inline memory modules) See DRAM
modules
direct inward dialing, on line ports...................73, 75, 78
DNS (Domain Name System).....................................133
DNS server
defining (configuration editor)............................149
defining (Quick Configuration)............................146
function..............................................................133
documentation set
comments on.......................................................xxi
domain name............................................................132
defining (configuration editor)............................148
defining (Quick Configuration)............................145
See also DNS server
Domain Name System...............................................133
domain search
defining (configuration editor)............................149
defining (Quick Configuration)............................146
downloading
licenses (J-Web)...................................................164
DRAM modules
installing.............................................................190
location...............................................................188
removing............................................................189
dry chemical fire extinguishers, prohibited................107
DS1 ports See E1 ports; T1 ports
DS3 ports See E3 ports; T3 ports
DSL See ADSL; SHDSL
dual inline memory modules See DRAM modules
Dual-Port Channelized T1/E1/ISDN PRI PIM.................57
Dual-Port E1 PIM..........................................................56
Dual-Port E3 PIM .........................................................59
Dual-Port Fast Ethernet PIM.........................................60
Dual-Port Serial PIM.....................................................55
Dual-Port T1 PIM..........................................................56
Dual-Port T3 PIM .........................................................59
E
E1 ports
description............................................................56
See also channelized E1 ports
LED states.............................................................57
RJ-48 cable pinouts.............................................235
E1 trunk ports, TIM510
description............................................................74
pinouts................................................................241
E1/T1 media module See TIM508 See TIM510 See
TIM516 See TIM518
E3 ports
BNC connector pinouts.......................................238
description............................................................59
LED states.............................................................60
earth ground See grounding
Index ■ 295
Index