Specifications

Hardware Reference 5
C613-03059-00 REV F
Maximum Current
Loads
AC models
■ Maximum continuous current draw: 2.2A at 220V, 4.3A at 110V
■ Maximum inrush current (cold start at 25º C/77º F): 60A at 220V, 30A at
110V
DC models
■ Maximum continuous current draw: 4.0A at -40V
Switching Core ■ Application-Specific Integrated Circuit (ASIC) switch chip
■ Non-blocking L2 and L3 IP Switching
■ 40 k-entry forwarding address database (expandable to 232 k-entries with
LineCAM)
■ 64MByte RAMBUS packet buffer
Processing Core ■ 300MHz RISC Processor
■ 128MBytes Synchronous DRAM, expandable to 256MByte with DIMM
■ 16MBytes of fixed flash
■ CompactFlash slot for hot swappable expansion of flash up to 512MBytes
■ 512kBytes of Non-volatile SRAM (NVRAM)
■ Battery backed real time clock (RTC)
■ 32/66MHz PCI bus
■ Silicon ID chip storing serial number, board ID, and MAC address
Asynchronous Serial
Port
■ Up to 115kbps
■ Universal Asynchronous Receiver Transmitter (UART)
■ Standard DB9 female RS-232 connector
■ Hardware-flow control
AT-9800 Series Switch Models
This section provides hardware descriptions for individual switch models.
AT-9812T V2 Key features are:
■ 12 10BASE-T/100BASE-TX/1000BASE-T ports (RJ-45 connectors)
■ 4 1000BASE-X ports (GBIC slots)
■ Unrestricted 1000BASE-T GBIC use
■ CompactFlash slot
■ DIMM socket for expansion of Synchronous DRAM
■ CAM socket for expansion of the forwarding address database
■ Compatible with AT-PWR9000 RPS systems (AC models only)
■ Auto-negotiating Layer 3 Managed Switch
■ AC or DC PSU options