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
■
300 MHz RISC Processor
■
128 MBytes Synchronous DRAM, expandable to 256 MByte with DIMM
■
16MBytes of fixed flash
■
CompactFlash slot for hot swappable expansion of flash up to 512 MBytes
■
512 kBytes of Non-volatile SRAM (NVRAM)
■
Battery backed real time clock (RTC)
■
32/66 MHz 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
