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SwitchBlade x3112 Installation Guide
29
AT-SBx31GP24 PoE Line Card
The AT-SBx31GP24 PoE Line Card, shown in Figure 13, is a Gigabit
Ethernet switch with Power over Ethernet Plus (PoE+) on all the ports.
Figure 13. AT-SBx31GP24 PoE 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) and PoE+ LEDs
16K entry MAC address table
12 Mb buffer memory
PoE+ on all of the ports
Up to 30W per port for PoE+
PoE device classes 0 to 4
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 of the PoE ports on the AT-SBx31GP24 Ethernet
Line Card are given in Table 2 on page 37.