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J2320 Power System ...............................................................................24
J2350 Power System ...............................................................................24
J2320 and J2350 Cooling System ............................................................25
J4350 and J6350 Services Router Hardware Features ....................................26
J4350 and J6350 Chassis .........................................................................27
J4350 and J6350 Midplane ......................................................................31
J4350 and J6350 Routing Engine Hardware ............................................31
J4350 and J6350 Boot Devices ................................................................31
J4350 and J6350 Front Panel ..................................................................32
Physical Interface Modules (PIMs) ....................................................32
Power Button and POWER LED ........................................................33
STATUS LED .....................................................................................33
ALARM LED ......................................................................................34
HA LED ............................................................................................34
RESET CONFIG Button .....................................................................35
Built-In Gigabit Ethernet Ports ..........................................................35
Console Port .....................................................................................36
AUX Port ..........................................................................................36
USB Port ...........................................................................................36
J4350 Power System ...............................................................................36
J6350 Power System ...............................................................................37
J4350 and J6350 Cooling System ............................................................38
Software Overview ........................................................................................39
Routing Engine and Packet Forwarding Engine .......................................40
Kernel and Microkernel ..........................................................................40
JUNOS Software Processes ......................................................................40
User Interfaces ........................................................................................41
Chapter 3 PIM and VoIP Module Overview 43
PIM and VoIP Module Terms .........................................................................43
Field-Replaceable PIMs ..................................................................................46
J2320 and J2350 Field-Replaceable PIM Summary ..................................46
J4350 and J6350 Field-Replaceable PIM Summary ..................................47
1-Port, 6-Port, 8-Port, and 16-Port Gigabit Ethernet uPIMs ......................49
1-Port Gigabit Ethernet ePIMs .................................................................52
Dual-Port Serial PIM ................................................................................55
Dual-Port T1 or E1 PIM ...........................................................................56
Dual-Port Channelized T1/E1/ISDN PRI PIM ............................................57
T3 or E3 PIM ...........................................................................................59
Dual-Port Fast Ethernet PIM ....................................................................60
4-Port Fast Ethernet ePIM .......................................................................61
4-Port ISDN BRI PIMs ..............................................................................62
ADSL PIM ................................................................................................64
G.SHDSL PIM ..........................................................................................65
Avaya VoIP Modules ......................................................................................66
Avaya VoIP Module Summary .................................................................67
TGM550 Telephony Gateway Module ......................................................69
TIM508 Analog Telephony Interface Module ...........................................73
TIM510 E1/T1 Telephony Interface Module ............................................74
viii ■ Table of Contents
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide