Gigabit Switches; Dimensions; Mounting System; Asynchronous Serial Port - Allied Telesis x900-48FE Hardware Reference Manual

8

Dimensions

Mounting system

Asynchronous
serial port
Environmental
conditions
Regulatory
standards

Switching core

Processing core

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
■
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)
1U rack
■
19-inch rack-mount kit
■
Up to 115 kbps
■
Universal Asynchronous Receiver Transmitter (UART)
■
Standard RJ-45 connector
■
Hardware flow control
■
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)
■
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
■
Application-Specific Integrated Circuit (ASIC) switch chip
■
High performance IPv4 switching with separate packet buffer memory
■
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
x900 Series Switch and SwitchBlade
®
x908
C613-03092-00 REV J