Juniper Networks M-Series - Manual (Page 7)

Datasheet Page 7
Routing Engine 400 MHz (M7i, M10i)
• 400-MHz Celeron processor with default 256-KB Level 2 cache
• 256-MB SDRAM DIMMs, upgradeable to 512-MB or 768-MB SDRAM in
256-MB increments
• 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
• Backup boot media
• Optional PCMCIA card adapter and 256-MB compact flash card
600 MHz (M20, M40e)
• 600-MHz Intel Pentium III
• Memory
• M20, M40e: 2-GB ECC DRAM
• 256-MB flash drive for primary storage
• 30-GB IDE hard drive for secondary storage
• Tertiary storage
• M20, M40e: 128-MB flash PC card
1.6 GHz (M320)
• 1.6-GHz Pentium IV processor with integrated 256-KB Level 2 cache
• 2-GB DRAM
• 256-MB Compact flash drive for primary storage
• 30-GB IDE hard drive for secondary storage
• 10/100 Base-T autosensing RJ-45 Ethernet port for out-of-band
management
• Two RS-232 (DB9 connector) asynchronous serial ports for console and
remote management
• Optional redundancy
Control Systems M40e, M160
Miscellaneous Control Subsystem
• 19.44-MHz stratum 3 reference clock for PICs
• Controller to monitor the status of router components
M320
Control Board
• Provides buses and control processors used for chassis management
• 10/100Base-T/TX Ethernet switch for intermodule communication
• Processor subsystem
• Two external clock inputs for 19.44-MHz stratum 3 reference clock
• Optional redundancy
Agency Approvals Safety
• CAN/CSA-C22.2 No. 60950-00/UL 60950—Third Edition, Safety of
Information Technology Equipment
• EN 60825-1 Safety of Laser Products—Part 1: Equipment Classification,
Requirements and User's Guide
• EN 60825-2 Safety of Laser Products—Part 2: Safety of Optical Fibre
Communication Systems
• EN 60950 Safety of Information Technology Equipment
EMC (M20, M40e, M160, M320)
• AS/NZS 3548 Class A (Australia / New Zealand)
• BSMI Class A (Taiwan)
• EN 55022 Class A Emissions (Europe)
• FCC Part 15 Class A (USA)
• VCCI Class A (Japan)
EMC (M7i, M10i)
• AS/NZS 3548 Class B (Australia / New Zealand)
• BSMI Class B (Taiwan)
• EN 55022 Class B Emissions (Europe)
• FCC Part 15 Class B (USA)
• VCCI Class B (Japan) Immunity
• EN 61000-3-2 Power Line Harmonics
• EN 61000-4-2 ESD
• EN 61000-4-3 Radiated Immunity
• EN 61000-4-4 EFT
• EN 61000-4-5 Surge
• EN 61000-4-6 Low Frequency Common Immunity
• EN 61000-4-11 Voltage Dips and Sags
NEBS
M7i, M10i, M20, M40e: Compliant
M320: Designed to meet these standards
• GR-63-Core: NEBS, Physical Protection
• GR-1089-Core: EMC and Electrical Safety for Network
Telecommunications Equipment
• SR-3580 NEBS Criteria Levels (Level 3 Compliance)
ETSI
• ETS-300386-2 Telecommunication Network Equipment Electromagnetic
Compatibility Requirements
Environment Temperature
• 32 to 104 degrees F / 0 to 40 degrees C Maximum Altitude
• No performance degradation to 10,000 ft / 3,048 m
Relative Humidity
• 5 to 90 percent noncondensing Seismic / Earthquake
• Designed to meet Telecordia Technologies Zone 4 earthquake
requirements