Datasheet
6
Forwarding and Switch Interface Boards
M7i, M10i CFEB
Enhanced Compact Forwarding Engine Board
• I-Chip ASIC for 15 Mpps packet lookup, parsing, prioritizing, and
queuing of packets
• 1 GHz CPU and supporting logic
• 1280 MB DDR SDRAM for packets storage
• 32 MB RLDRAM for forwarding tables associated with ASICs
• 100 ms of delay-bandwidth buffering
• 512 KB boot flash EPROM (programmable on the board)
M7i
• 10 Gbps throughput rate (5 Gbps full duplex)
• Optional Adaptive Services Module or Multiservice Module
M10i
• 16 Gbps throughput rate (8 Gbps full duplex)
Compact Forwarding Engine Board
• Internet Processor II-based ASIC for 16 Mpps packet lookup
• 266 MHz CPU and supporting logic
• Two enhanced I/O Manager ASICs for parsing, prioritizing, and
queuing of packets
• 4 MB parity-protected SSRAM per I/O Manager ASIC
• 128 MB or 256 MB of packets storage
• 8 MB SSRAM for forwarding tables associated with ASICs
• 200 ms of delay-bandwidth buffering
• Two 512 KB boot flash EPROM (programmable on the board)
M7i
• 10 Gbps throughput rate (4.2 Gbps full duplex)
• Optional Adaptive Services Module
M10i
• 16 Gbps throughput rate (8 Gbps full duplex)
M320 SIB
Switch Interface Board for Interconnecting FPCs
• Four required per M320 chassis for full bandwidth; all
four active
• 80 Gbps throughput per SIB, 320 Gbps throughput per system
• Processor subsystem 300 MHz CPU
• System controller
• 256 MB DRAM
FPC
M120
• 4 Gbps full-duplex throughput per M120-FPC1
• 10 Gbps full-duplex throughput per M120-FPC2
• 10 Gbps full-duplex throughput per M120-FPC3
• 10 Gbps full-duplex throughput per M120-cFPC
• Layer 2/Layer 3 Packet Processing ASICs
• Switch Interface ASICs
• I-Chip on the Packet Forwarding Engine
• Memory subsystem, including queuing and memory interface
ASICs
• Processor subsystem
M320
• 4 Gbps full-duplex throughput per M320-FPC1
• 16 Gbps full-duplex throughput per M320-FPC2
• 20 Gbps full-duplex throughput per M320-FPC3
• Layer 2/Layer 3 Packet Processing ASICs
• Switch Interface ASICs
• Internet Processor ASICs
• Memory subsystem, including queuing and memory interface
ASICs
• Processor subsystem
Routing Engine
400 MHz (M7i, M10i)
• 400 MHz Intel Celeron processor with default 256 KB
Level 2 cache
• 768 MB SDRAM
• Optional 1 GB compact flash drive for primary storage (needs to
be ordered separately)
• 20 GB IDE hard drive for secondary storage
• Fast Ethernet RJ-45 port for out-of-band management
• Two RS-232 (DB-9 connector) asynchronous serial ports for
console and remote management
• Optional PCMCIA card adapter and 1 GB compact flash card for
media upgrades
ROUTER M7I M10I M120 M320
Environment
Temperature 32° to 104° F
0° to 40° C
32° to 104° F
0° to 40° C
32° to 104° F
0° to 40° C
32° to 104° F
0° to 40° C
Relative humidity 5% to 90%
noncondensing humidity
5% to 90%
noncondensing humidity
5% to 90%
noncondensing humidity
5% to 90%
noncondensing humidity
Maximum altitude No performance
degradation to
10,000 / 3,048 m
No performance
degradation to
10,000 / 3,048 m
No performance
degradation to
10,000 / 3,048 m
No performance
degradation to
10,000 / 3,048 m
*Flexible PIC Concentrator
**Physical Interface Card
M7i
M10i
Density
M320
10 Gig
Uplinks
Operational Simplicity
with Junos OS
M120
Gbps
320
120
40
20
10
5
Low Medium/High High
M Series Specifications (continued)








