Cabletron Systems 6SSRM-02, Инструкция по установке и эксплуатации, Страница: 29 / 74

Hardware Overview
Introduction 1-15
Cabling and Connector Specifications
The following table lists the media specifications for the 100BASE-FX line card.
LEDs
The 100BASE-FX line card uses the following LEDs.
Table 1-5 100BASE-FX Line Card specifications
Port type Specification
100Base-FX • 802.3u standard
• SC-style Media Interface Connector (MIC); either
connection pin in the MIC can be used for transmit or
receive.
• 62.5 micron multimode fiber-optic cable
• Maximum 412 meters (1352 feet) segment length for
half-duplex links
• Maximum 2 kilometers (6562 feet) segment length for
full-duplex links
Table 1-6 100BASE-FX Line Card LEDs
LED Description
Lnk Each port has two LEDs located to the left of the
connector. The green Lnk LED indicates the link status.
When this LED is lit, the port hardware is detecting that
a cable is plugged into the port and the port has
established communication with the device at the other
end.
Act The amber Act LED flashes each time the port’s
transceiver sends or receives packets.