Hardware Reference 11
C613-03092-00 REV J
Asynchronous
serial port
■ Up to 115 kbps
■ Universal Asynchronous Receiver Transmitter (UART)
■ Standard RJ-45 connector
■ Hardware flow control on switches running the AlliedWare operating
system
Environmental
conditions
■ 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
■ Relative humidity range for storage: 5% to 95% non-condensing
■ Operational altitude: 3,050 metres maximum (10,000 feet)
Regulatory
standards
■ EMC: EN55022 class A, FCC class A, and VCCI class A.
■ EN61000-3 levels 2 (Harmonics), and 3 (Flicker)—AC models only
■ Immunity: EN55024
■ Safety: UL60950-1, CAN/CSA-C22.2 NO. 60950-1-03, EN60950-1,
AS/NZS60950.1, and EN60825-1
■ Certification: UL, cUL, and TUV
Switching core ■ Application-Specific Integrated Circuit (ASIC) switch chip
■ High performance IPv4 switching
■ Separate packet buffer memory
Processing core ■ 667 MHz RISC Processor
■ Secure Digital card slot on the front panel for hot-swappable expansion of
flash memory
■ 512 kBytes of NVSRAM
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
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
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.