At-Sbx81Gt40 Line Card; Figure 14: At-Sbx81Gt40 Line Card - Allied Telesis SwitchBladex8112 Installation Manual

Chapter 2: Ethernet Line Cards

AT-SBx81GT40 Line Card

40
The AT-SBx81GT40 Line Card, shown in Figure 14, is a Gigabit Ethernet
switch.
Figure 14. AT-SBx81GT40 Line Card
Here are the main features of the line card:

40 10/100/1000Base-T ports

RJ point 5 connectors

100 meters (328 feet) maximum operating distance per port
 Auto-Negotiation for speed
 Full-duplex mode only
 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
 32K entry MAC address table
 32 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-SBx81CFC960 Controller Fabric Cards
 Hot swappable
Note
The ports on the line card do not support half-duplex operation.
The cable requirements for the ports on the AT-SBx81GT40 Line Card are
listed in Table 16 on page 59.
Section I: Hardware Overview