Functional Description
ATCA-F140 Installation and Use (6806800M67H
)
82
4.8
Fabric Channel Interface
The ATCA-F140 uses Broadcom BCM56846 switch device for the fabric channel interface. It is
a high-performance 640Gbps network switch with 18 integrated warpCores (16 active). Each
warpCore has four integrated 10G SerDes allowing native support of one 40GbE or four 10GbE
ports. On the ATCA-F140, the BCM56846 is used to provide sixteen 40G ports and four 1G
ports.
Twelve of the 40Gbps ports are routed to the backplane switch fabric support of a fourteen slot
chassis. Two 40Gbps uplink interfaces from the switch are routed to the Zone 3 connectors for
use by an RTM. Two other 40Gbps uplink ports are routed to BCM84740PHYs to provide two
QSFP+ uplinks on the front panel. The P2020 service processor communicates with the
BCM56846 through the PCI Express interface to initialize and manage the switch.
Two 1G-SGMII ports are routed to the backplane for switch fabric support of the two extra slots
in a sixteen slot chassis, or optionally, to the TopSync device and Fabric Channel 1. One 1G-
SerDes port is routed to AMC port 1. One 1G-SGMII port is routed to update channels 3 and 4
to form a Fabric switch-to-AMC cross-connect with the other switch board across the
backplane.
ge22
RTM SFP
RTM ETH10
ge23
RTM SFP
RTM ETH11
xe0
RTM SFP+
RTM ETH1
xe1
RTM SFP+
RTM ETH2
xe2
Front SFP+
Front ETH3
xe3
Front SFP+
Front ETH4
Table 4-3 Base Switch Mapping (continued)
Port Name
Destination
Front Panel Label
Table 4-4 Fabric Switch Mapping (Default AXP1440 Chassis Configuration)
BCM56846 Physical Port
Port Name
Destination
Front Panel Label
wc0-0
ge0
Fabric Ch 14 (LS 15)
n/a
wc0-1
ge1
Fabric Ch 15 (LS 16)
n/a
wc0-2
ge2
Backplane UC3/4
n/a
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Содержание 6806800M67H
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