Allied Telesis AT-SBx81CFC960, Installation Manual

Page: 37 / 324

SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section I: Hardware Overview 37
AT-SBx81GT24 Line Card
The AT-SBx81GT24 Line Card, shown in Figure 11, is a Gigabit Ethernet
switch.
Figure 11. AT-SBx81GT24 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:
– 9710 bytes for ports operating at 10 or 100 Mbps.
– 10240 bytes for ports operating at 1000 Mbps
 Non-blocking full wire speed switching on all packet sizes, with two
AT-SBx81CFC960 Controller Fabric Cards

Hot swappable
The cable requirements for the ports on the AT-SBx81GT24 Line Card are
listed in Table 12 on page 52.
LEDs
Each port on the AT-SBx81GT24 Line Card has two LEDs. The LEDs are
shown in Figure 12 on page 38 and described in Table 6 on page 38.