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SwitchBlade x3112 Installation Guide
27
AT-SBx31GT24 Line Card
The AT-SBx31GT24 Line Card, shown in Figure 11, is a Gigabit Ethernet
switch.
Figure 11. AT-SBx31GT24 Line Card
Here are the main features of the line card:
24 10/100/1000Base-T ports
RJ-45 connectors
100 meters (328 feet) maximum operating distance per port
Auto-Negotiation for speed and duplex mode
Automatic MDIX detection for ports operating at 10/100Base-TX,
(Automatic MDIX detection does not apply to 1000Base-T
operation.)
Port Link/Activity (L/A) LEDs
16K entry MAC address table
12 Mb buffer memory
Jumbo frame support:
– 10240 octets for tagged and untagged traffic
between ports on the same line card
– 10232 octets for untagged traffic between ports on
different line cards
– 10236 octets for tagged traffic between ports on
different line cards
Non-blocking full-wire speed switching on all packet sizes, with two
AT-SBx31CFC Central Fabric Controller cards
Hot swappable
The cable requirements for the ports on the AT-SBx31GT24 Line Card are
listed in Table 1 on page 36.