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10-12 Extreme Networks Consolidated Hardware Guide

Alpine 3800 Series I/O Modules

FM-8Vi Module

Figure 10-9 shows the FM-8Vi module.

Figure 10-9: FM-8Vi module

The FM-8Vi module has eight 10 Mbps VDSL ports, using one standard RJ-21 connector,

and eight internal loopback ports for ingress rate-shaping. The FM-8Vi module supports

10BASE-S.

The default configuration of the FM-8Vi module is as follows:

• All ports are added to the default VLAN as untagged.

• All ports inherit the properties of the default VLAN (protocol type, VLANid, and so

forth).

• All ports operate in autonegotation mode.

Connecting the FM-8Vi Module to the Mogul-100

The FM-8Vi uses a single RJ-21 connector for the eight VDSL ports on the module. The

cable connector on the FM-8Vi has a Velcro

™

strap to secure the connector on the cable

to the module.

To deliver this VDSL connection to a subscriber, the bundle of twisted pairs that are

contained in the RJ-21 cable must be separated for connection to individual Mogul-100

customer premises equipment. Typically, you connect the cable from the FM-8Vi to a

punch-down block and wire the individual VDSL circuits into RJ-11 jacks for connection

to the Mogul-100s. Use the two center conductors of the RJ-11 connector to connect the

wire pairs.

Your particular installation depends on the physical cabling in your building.

The connector on the FM-8Vi requires a male terminated RJ-21 cable. The FM-8Vi uses

eight of the twenty-five pairs in the cable. Because the RJ-21 standard was established

38_FM8V

Port status LEDs VDSL ports

Module status LED

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