8 x900 Series Switch and SwitchBlade
®
x908
C613-03092-00 REV J
Gigabit Switches
The AT-9900 series switch provides advanced Gigabit Ethernet multi-layer
switches that are perfect for the high-density rack environment where space is
at a premium:
■ AT-9924T
■ AT-9924SP
Dimensions ■ Height: 44.5 mm, plus 5.1 mm if the rubber feet are used
■ Width: 440 mm, excluding rack-mounting brackets
■ Depth: 440 mm, excluding PSU handles
■ Weight: Not more than 7.3 kg (16.1 lbs) unpackaged, which includes one
power supply unit (PSU) and one fan-only module (FOM)
Mounting system ■ 1U rack
■ 19-inch rack-mount kit
Asynchronous
serial port
■ Up to 115 kbps
■ Universal Asynchronous Receiver Transmitter (UART)
■ Standard RJ-45 connector
■ Hardware flow control
Environmental
conditions
■ Operating temperature range: 0ºC to 50ºC (32ºF to 122ºF)
■ Storage temperature range: -25º C to 70º C (-13ºF to 158ºF)
■ 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.
■ Immunity: EN55024, EN61000-3, levels 2 (Harmonics), and 3 (Flicker)—
AC models only
■ 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 with separate packet buffer memory
Processing core ■ 350 MHz RISC Processor
■ 16 MBytes of on-board flash with provision for an additional 16 MBytes
■ CompactFlash card slot on the front panel for hot-swappable expansion of
flash memory
■ 256 MBytes of Synchronous DRAM, expandable to 512 MBytes with DIMM
■ 512 kBytes of NVSRAM
■ Silicon ID chip storing serial number, board ID, MAC address, and
hardware revision level
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