Asynchronous Serial Port; Environmental Conditions; Regulatory Standards; Switching Core - Allied Telesis x900-48FE Hardware Reference Manual

Hardware Reference
Asynchronous
serial port
Environmental
conditions
Regulatory
standards

Switching core

Processing core

C613-03092-00 REV J
Up to 115 kbps
■
Universal Asynchronous Receiver Transmitter (UART)
■
Standard RJ-45 connector
■
Hardware flow control on switches running the AlliedWare operating
■
system
Operating temperature range: 0º C to 40º C (32º F to 104º F) derated by 1° C
■
per 305 Meters (1000 ft)
Storage temperature range: -25º C to 70º C (-13º F to 158º F)
■
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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EN61000-3 levels 2 (Harmonics), and 3 (Flicker)—AC models only
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Immunity: EN55024
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Safety: UL60950-1, CAN/CSA-C22.2 NO. 60950-1-03, EN60950-1,
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AS/NZS60950.1, 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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Separate packet buffer memory
■
667 MHz RISC Processor
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Secure Digital card slot on the front panel for hot-swappable expansion of
■
flash memory
512 kBytes of NVSRAM
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AT-9924Ts, x900-24XT, x900-24XT-N, and x900-24XS running the AlliedWare
operating system:
32 MBytes of on-board flash
■
512 MBytes DDR SDRAM
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x900-12XT/S, x900-24XT, x900-24XT-N, and x900-24XS running the
AlliedWare Plus operating system:
64 MBytes of on-board flash
■
512 MBytes DDR SDRAM
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SwitchBlade x908
64 MBytes of on-board flash
■
512 MBytes DDR SDRAM SODIMM
■
Important SODIMM memory is not interchangable with the DIMM memory
used on other switches.
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