Specifications

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2.10.2 M40 Specifications
Component Specifications
M40 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
8 Flexible PIC Concentrator (FPC) slots; hot
swappable
32 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: 128
DS3s, 128 E3s, 128 FEs, 128 OC3s, 32 OC12s, 32
Gigabit Ethernets, 8 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
233-MHz Intel Pentium Processor
256 / 512 MB SDRAM
80-MB Flash disk storage
LS-120 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: 35" (H), 19" (W), 23.5" (D)
Weight: 250 lbs 113.6 kg (fully-loaded system)
Rack-mount options: front or center mount
Power
Requirements:
DC
Maximum DC power: 1680 watts
Maximum current: 35A at -48V
DC input voltage: -38 to -75 VDC operating range
Power
Requirements:
AC
Maximum AC power: 1664 watts
Maximum current: 8A at 208V
AC input voltage: 80-264 VAC operating range
Thermal Output 5676 BTU/hour
Environment Temperature range: 0 to 40 degrees C
Maximum altitude: 10,000 feet