Extreme Networks Alpine 3802, Hardware Manual

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250 Extreme Networks Consolidated Hardware Guide
BlackDiamond 6800 Series I/O Modules
G24T
3
Module
Figure 123 shows the G24T 3 module.
Figure 123: G24T 3 module
The G24T 3 module has 24 1000BASE-T ports using RJ-45 connectors that autonegotiate for 10BASE-T,
100BASE-T, or 1000BASE-T.
The G24T 3 ports are oversubscribed 4:1 to the module’s switch fabric. The module has six groups of
four ports each. Each group multiplexes traffic into a single full duplex gigabit link to the switch fabric.
To take advantage of this architecture, use the same number of ports in each group. Table 73 lists the
groups for the G24T
3 module.
Populate ports 1, 5, 9, 13, 17, and 21, then ports 2, 6, 10, 14, 18, and 22, followed by ports 3, 7, 11, 15, 19,
and 23, and finally ports 4, 8, 12, 16, 20, and 24.
Table 73: G24T 3 port groups
Ports Group
1, 2, 3, 4 1
5, 6, 7, 8 2
9, 10, 11, 12 3
13, 14, 15, 16 4
17, 18, 19, 20 5
21, 22, 23, 24 6
G24T3
Port status LEDs
Module status LEDs
RJ-45
connector
ports