Specifications

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2.10 Products Specifications
2.10.1 M20 Specifications
Component Specifications
M20 System
Architecture
• 40 million packets per second forwarding rate
• Clean separation of routing and forwarding functions
• 40-Gbps ASIC-based Packet Forwarding Engine
• Separate, dedicated, Intel-based Routing Engine
running JUNOS Internet Software
• 4 Flexible PIC Concentrator (FPC) slots; hot
swappable
• 16 slots available for Physical Interface Cards
(PICs)
• Dual, redundant, hot-swappable power supplies (AC
or DC)
• Hot-swappable cooling fans and impellers
• Industry-leading port density per rack inch: 64
DS3s, 64 E3s, 64 FEs, 64 OC3s, 16 OC12s, 16
Gigabit Ethernets, 4 OC48s per 14 inch high
chassis
• Industry-leading interface flexibility space
requirements and capital investment.
Packet
Forwarding
Engine (PFE)
• 40-Gbps, ASIC-based switching engine containing:
• Internet Processor ASIC: 40 Mpps lookup rate for
true wire-rate performance
• Distributed Buffer Manager ASIC for coordinating
pooled, single-stage buffering
• I/O Manager ASIC for wire-rate parsing, prioritizing,
and queuing of packets
Routing Engine
(RE) with
JUNOS Internet
Software
• BGP4, with confederations, route reflectors,
communities, route flap damping, TCP MD5
authentication
• OSPFv1/v2, IS-IS, RIPv2 interior gateway protocols
• Flexible policy software for filtering and modifying
route advertisements
• MPLS with RSVP and LDP for traffic engineering
• DVMRP, PIM-SM, PIM-DM, IGMP and MSDP for IP
multicast
• Configuration management features for enhanced
usability
• Secure remote access with SSH, TACACS+ and
RADIUS
Routing Engine
Hardware
• Compact PCI industrial form factor
• 333-MHz Intel Pentium II Processor
• 768 MB SDRAM
• 80-MB Flash disk storage
• LS-110 PC card flash drive and 6.4 GB hard disk
drive for secondary storage
• 10/100 Ethernet port for out-of-band management
• 2 asynchronous serial ports (RS-232) for console
and remote management
Physical
Dimensions
• Size: 14" (H), 19" (W), 21" (D)
• Weight: 150 lbs – 68.04 kg (fully-loaded system)
• Rack-mount options: front or center mount
Power
Requirements:
DC
• Maximum DC power: 1200 watts
• Maximum current: 24A at -48V
• DC input voltage: -140.5 to –72 VDC operating
range
Power
Requirements:
AC
• Maximum AC power: 1200 watts
• Maximum current: 13A at 90V