6 x900 Series Switch and SwitchBlade
®
x908
C613-03092-00 REV J
48-Port Fast Ethernet Switches
These Fast Ethernet switches meet the exceptionally high performance
demands of high-end applications:
■ AT-8948
■ x900-48FE
■ x900-48FE-N (NEBS compliant model)
■ x900-48FS
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: 0º C to 50º C (32 to 122º F)
■ Storage temperature range: -25º C to 70º C (-13 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
■ Non-blocking Layer 2 and Layer 3 IP switching
■ 256 kBytes IPv4 address table
■ x900-48FE and x900-48FS switches are IPv6-ready in hardware to provide
accelerated unicast and multicast routing
■ 4096 Layer 2 multicast entries
■ 1024 Layer 3 IPv4 multicast entries
■ 4 096 logical IPv6 interfaces
■ Separate packet buffer memory
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