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Sfp slots, Ble 9: combo ports, Refer to “sfp – Allied Telesis 8100S Series User Manual

Page 39

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Stand-alone Switch Installation Guide for 8100L and 8100S Series Switches

39

SFP Slots

The switches have two slots for 100Mbps 100Base-FX or 1000Mbps
1000Base-SX/LX fiber optic transceivers. The transceivers can be used to
connect the switches to other network devices over large distances, build
a high-speed backbone network between network devices, or connect
high-speed devices, such as servers, to your network.

The switches support a variety of short and long distance, 100 and 1000
Mbps fiber optic SFP modules. For a list of supported SFP modules,
contact your Allied Telesis representative or visit our web site.

The two SFP slots are paired with the two 10/100/1000Base-T ports. The
combo ports are listed in Table 9.

The rules for using the combo ports are listed here:

Only one port in a combo pair is active at a time.

The twisted pair port is the default active port.

The SFP slot becomes active when an SFP transceiver establishes
a link to another network node.

The twisted pair port of a combo pair remains deactivated so long
as the SFP transceiver has a link to another network device.

The switch automatically reactivates the twisted pair port if the
companion SFP module loses its network link.

The twisted pair port and SFP module of a combo port share the
same settings, such as VLAN assignments, access control lists,
and spanning tree.

Table 9. Combo Ports

Model

10/100/1000

Base-T Port

SFP Slot

AT-8100L/8, AT-8100L/8POE, and
AT-8100L/8POE-E

9R

9

10R

10

AT-8100S/24C, AT-8100S/24,
AT-8100S/24POE, AT-8100S/
16F8-LC, AT-8100S/16F8-SC,
and AT-8100S/24F-LC

25R

25

26R

26

AT-8100S/48 and
AT-8100S/48POE

49R

49

50R

50

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