At-9900 Series Switch; Environmental Conditions; Regulatory Standards; Switching Core - Allied Telesis AT-8900 Hardware Reference Manual

Hardware Reference
Environmental
conditions
Regulatory
standards

Switching core

Processing core

Network processor
accelerator card
Software Release 3.0.2
C613-03092-00 REV C

AT-9900 Series Switch

AT-9900 Series switches are advanced gigabit Ethernet multi-layer switches,
perfect for the high-density rack environment where space is at a premium.
Operating temperature range: 0ºC to 50ºC (32ºF to 104ºF)
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Storage temperature range: -25ºC to 70ºC (-13ºF to 158ºF)
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Relative humidity range for operation: 5% to 80% non-condensing
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Relative humidity range for storage: 5% to 95% non-condensing
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Operational altitude: 3,050 metres maximum (10,000 feet)
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EMC: EN55022 class A, FCC class A, and VCCI class A.
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Immunity: EN55024, EN61000-3, levels 2 (Harmonics), and 3 (Flicker)—
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AC models only
Safety: UL60950-1, CAN/CSA-C22.2 No. 60950-1-03, EN60950-1,
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AS/NZS60950, and EN60825-1
Certification: UL, cUL, and TUV
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Application-Specific Integrated Circuit (ASIC) switch chip
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High performance IPv4 switching
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AT-9924T and AT-9924SP
• 64MByte packet buffer memory
AT-9924T/4SP
• High performance IPv6 switching
• 160 MByte packet buffer memory
400 MHz RISC Processor
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16MBytes of fixed flash with provision for an additional 16MBytes
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CompactFlash card slot on the front panel for hot-swappable expansion of
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flash memory up to 128MBytes
512 kBytes of NVSRAM
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Silicon ID chip storing serial number, board ID, MAC address, and
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hardware revision level
AT-9924T and AT-9924SP
• 128 MBytes of Synchronous DRAM, expandable to 256 MBytes or
512 MBytes with DIMM
AT-9924T/4SP
• 256 MBytes of Synchronous DRAM, expandable to 512 MBytes with
DIMM
• 512 MBytes of Synchronous DRAM is required if AT-ACC01 network
processor accelerator card fitted
AT-9924T/4SP only
Optional network processor accelerator card provides accelerated IPv6
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unicast and multicast routing in hardware
512 MBytes of Synchronous DRAM required, giving 64K IPv6 static routes
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4K multicast table
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1000 accelerator hardware filters
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