Extreme Networks Alpine 3804 Hardware Manual page 169

The FM-24Ti module has 24 10/100 Mbps autonegotiation Ethernet ports, using standard RJ-21
connectors. The FM-24Ti module supports 10BASE-T and 100BASE-TX.
Table 47 describes the cable specifications for the Alpine FM-24Ti module. Appropriate cables are
available from your local supplier.
Table 47: FM-24Ti cable specifications
Connectors
Lucent 525 Telco 50-pin RJ-21
To access the ports, use a 180-degree male RJ-21 connector with a shielded PVC trunk cable and secure
to a maximum of 4 in-lbs of torque. You can access the ports in one of the following ways:
• Through a patch panel by terminating the cable and shield with an RJ-21 connector.
• Directly by using a cable that is terminated with 12 RJ-45 connectors.
The RJ-21 connector is shown in Figure 80.
Figure 80: RJ-21 connector
Screws secure
connector to port
The default configuration of the FM-24Ti module is as follows. All ports:
• Are added to the default VLAN as untagged.
• Inherit the properties of the default VLAN (protocol type, VLANid, and so forth).
• Operate in autonegotiation mode.
LEDs
The FM-24Ti module has the following LEDs:
• Module status
• Port status
For information about the LEDs and their activity on the FM-24Ti module, see "I/O Module LEDs" on
page 176.
Extreme Networks Consolidated Hardware Guide
Cable
Shielded trunk cable with 25
CAT5 twisted pairs
Min Length Max Length
1 m 100 m
XM_046
Configuring I/O Modules
Max Torque
4 in-lbs
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