Allied-telesis AT-8550SP User Manual download pdf (Page 21)

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide

AT-8550SP The AT-8550SP switch has 48 10/100Base-TX twisted pair ports with

RJ-45 connectors. The ports have a maximum operating distance of 100

meters (328 feet) using Category 3 or better 100 ohm twisted pair cable for

10Base-T operation and Category 5 or 5E 100 ohm twisted pair cable for

100Base-TX operation.

The switch also features two 10/100/1000Base-T twisted pair ports,

labelled Ports 49R and 50R. They have RJ-45 connectors, require

Category 5 or 5E 100 ohm twisted pair cable, and have a maximum

operating distance of 100 meters (328 feet).

There are also two slots for two Small Form-factor Pluggable (SFP)

transceivers. You can use the slots to add 1000Base-X fiber optic ports to

the switch. For a list of supported SFP transceivers, contact your Allied

Telesis sales representative or refer to the Allied Telesis web site:

www.alliedtelesis.com.

Note

The twisted pair ports 49R and 50R change to a redundant status

when SFP transceivers are installed and establish links with their

end nodes. A link on an SFP port always takes precedence over that

of the corresponding 10/100/1000Base-T twisted pair port.

Figure 5 shows the front and back panels of the AT-8550GB switch.

Figure 5. AT-8550SP Switch Front and Back Panels

COL

SPD

FDX

ACT

FLT

RPS

MSTR

PWR

STATUS

AT-8550SP

Fast Ethernet Switch

LINK

MAIN POR TS

13579

11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48

MODELINK 49R

SFP

UPLINK PORTS

CLASS 1

LASER PRODUCT

MODE

MODELINK 50R

Port LEDs

SFP Slots

100-240VAC

RPS INPUT

RS-232

Terminal Port

AC Power Connector

RPS Connector

10/100Base-TX Ports

LED Mode

Select Button

System

LEDs

10/100/1000Base-T Ports

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 89 90

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Allied-telesis AT-8550SP User Manual Page 21

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