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Allied Telesis AT-8126XL User Manual

Page 20

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Hardware Description

1-10

Like the switch’s station ports, the uplink ports are associated with
two LEDs that indicate port speed and valid physical link. See Figure
1-5 for the location of the Uplink Ports’ LEDs. The LEDs are further
described in Chapter2, T able 2-1 on page 2-4.

Table 1-2 Media Dependent Adapter Features

Adapter

Connector
Type

Description

AT-A10

RJ45

"

Auto-negotiationg 10Base-T/100Base-TX Fast Ethernet port

"

Auto-negotiating 10/100 Mbps and duplex mode

"

Maximum segment length: 330 ft (100 m), Category 5 UTP cable

AT-A11

Fiber SC

"

100Base-FX Fast Ethernet port

"

Default transmission speed fixed at 100 Mbps

"

Multimode SC fiber connector

"

Auto-negotiating duplex mode (100 Mbps only)

"

Maximum segment length: 1.25 mi (2 km), 50/125- and 62/5/125-
micron multimode fiber cable for full-duplex; 1,351 ft (412 m) for
half-duplex

AT-A20

Fiber MT-RJ

"

100Base-FX Fast Ethernet port

"

Default transmission speed fixed at 100 Mbps

"

Multimode MT-RJ fiber connector

"

Auto-negotiating duplex mode (100 Mbps only)

"

Maximum segment length: 1.25 mi (2 km), 50/125- and 62/5/125-
micron multimode fiber cable for full-duplex; 1,351 ft (412 m) for
half-duplex

AT-A21

Fiber VF-45

"

100Base-FX Fast Ethernet port

"

Default transmission speed fixed at 100 Mbps

"

Multimode VF-45 fiber connector

"

Auto-negotiating duplex mode (100 Mbps only)

"

Maximum segment length: 1.25 mi (2 km), 50/125- and 62/5/125-
micron multimode fiber cable for full-duplex; 1,351 ft (412 m) for
half-duplex

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