Artesyn AXP640, Installation And Use Manual, Page: 178 / 190

Shelf Management Alarm Module
AXP640 Installation and Use (6806800M24F )
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7.5.2.3 Ethernet Signals
The ShMM1500R provides two 100BaseT Ethernet ports, identified within the Linux
environment as eth0 and eth1.The eth0 port is cross-connected to the eth0 port on the other
SAM to provide a dedicated high-speed inter-SAM link for the exchange of status and
configuration details. The eth1 port is connected to an Ethernet switch (a Broadcom
BCM5325E), which in turn connects to the base ports of the two hub slots and to the front-
panel RJ45 Ethernet connector.
The port utilization of the switch is:

TP port 1 to Local hub slot

TP port 2 to Remote hub slot

TP port 3 to Front panel RJ45)

TP port 4 to ShMM1500R

TP port 5 is not used

MII port is not used