Ethernet Interface: Ethernet Switching
ATCA-9305 User’s Manual 10009109-01
6-2
Figure 6-1: Ethernet Switching Interface Diagram
Note: The phyiscal port numbering starts at 1, as indicated in the figure. However, the software port numbering
starts at 0. Th erefore , to issue a comman d to a por t, you m ust subt ract 1 f rom the p ort num bers sh own in t he
figure.

Ethernet Transceivers

The BCM5461S is a 10/100/1000BASE-T GbE Ethernet transceiver using the SGMII interface.

The BCM5482 consists of two complete 10/100/1000BASE-T GbE transceivers supporting

both voice and data simultaneously.

Ethernet Switch Ports

Table 6-1: Ethernet Switch Ports

Port: Interface: Connection:

1 SGMII 1 GB PHY to backplane BASE
2 SGMII 1 GB PHY to backplane BASE
10G - 4 PORTS
RJ45 RJ45
BCM5482
Base 10G Fabric
J23
P1 DDR2
SDRAM
BCM56802
XAUI 10 Gb
Switch Ports
5 XAUI
SGMII
2
SGMII
1
XAUI
8 7
XAUI 13
XAUI 14
3
SGMII
4
SGMII
6 XAUI
Cavium
Octeon
CN5860
Processor 2
SPI-1
SPI-0
Cavium
Octeon
CN5860
Processor 1
SPI-1
SPI-0
BCM5461S
Stratix II GX
#2
MPC8548
Management
Processor
J31
10G - 2 PORTS
J30
XAUI
11-12 15 -18
Stratix II GX
#1
Stratix II GX
#3
Stratix II GX
#4
BCM5461S BCM5461S
To Optional RTM