Specifications

Hardware Reference 5
C613-03059-00 REV E
Processing Core
• 300 MHz RISC Processor
• 128 MBytes Synchronous DRAM (expandable to 256 MByte with
DIMM)
• 16 MBytes of fixed flash
• Compact flash slot for hot swappable expansion of flash up to 512
MBytes (to be supported by future software releases)
• 512 kBytes of Non-volatile SRAM (NVRAM)
• Battery backed real time clock (RTC)
• 32/66 PCI bus
• Silicon ID chip storing serial number, board ID, and MAC address
Asynchronous Serial Port
• Up to 115 kbps
• 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
(Figure 1 on page 5)
• 12-port 10BASE-T/100BASE-TX/1000BASE-T (RJ-45 connectors)
• 4-port 1000BASE-X (GBIC slots)
• Unrestricted 1000BASE-T GBIC use
• Compact flash slot
• One DIMM socket for expansion of Synchronous DRAM
• One 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
Figure 1: Front panel of the AT-9812T.
STATUS
RESET
FAULT
PWR
RPS
13
15
14
16
1
7
2
8
3
9
4
10
5
11
6
12
13 14
15 16 1 2 3 4 5 6 7 8 9 10 11 12
RS-232
TERMINAL PORT
L/A
D/C
L/A
D/C
L/A
GBIC
L/A
GBIC
ASYN0
1000BASE-X GBIC
10BASE-T / 100BASE-TX / 1000BASE-T
ACT
1000M
L/A
ACT
10/100M
COL
FULL DUP
HALF DUP
D/C
FAULT
ACTLINK / FULL DUP
L/A
ACT
LINK / HALF DUP
DISABLED
ENABLED
GBIC
GBIC BASE-T
AT-9812T V2 Multi-Layer Gigabit Switch
PORT ACTIVITY