3Com 3C17121 manual Introduction, DUA1712-1AAA01, LEDs

SuperStack® 3 Switch 4300 10/100/1000BASE-T Module (3C17121) and Dual Module (3C17122) User Guide

DUA1712-1AAA01

S/N: XXXX/7XXXXXXXXX

3C17121	SuperStack
	3	Switch
			4300	1000BASE-
				T

10

100 1000

‘roll

INTRODUCTION

his guide covers the following products:

SuperStack® 3 Switch 4300 10/100/1000BASE-T Module (3C17121) provides one Ethernet port for connection to your network.

SuperStack 3 Switch 4300 10/100/1000BASE-T Dual Module (3C17122) provides two Ethernet ports for connection to your network.

The procedures described in the User Guide assume that you have a single port Module. If you have a Dual Module the procedures are the same, except that procedures relating to the port apply to each port on the Dual Module.

telephones to these sockets. Either shielded or unshielded data cables with shielded or unshielded jackets can be connected to these data sockets.

LEDs

You can gather information about the status of the Module and its packet activity using the Expansion Module port LEDs on the front of the Switch.

Switch Front Panel LED’s

Module Packet LED

Appearance	Color	Meaning
On	Green	Packets are being transmitted or received
		on the Module port.

The Module conforms to the full duplex implementation of the Gigabit Ethernet standard, IEEE 802.3ab and has an auto-negotiating 10/100/1000BASE-T port configured as Auto MDI (crossover).

Alternatively, you can manually set the port to 10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half duplex or 100BASE-TX full duplex. You can also manually set the port to 1000BASE-T. The port uses Category 5 copper cabling with an RJ-45 connector. The maximum segment length is 100 m (328 ft) over Category 5 twisted pair cable.

WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. Only connect RJ-45 data connectors, network telephony systems, or network

1

Off	No color	There are no packets being transmitted or
		received on the Module port.
Module Status LED
Appearance	Color	Meaning
On	Green	The Module is installed.
Off	No color	There is no Module installed or an
		unsupported Module is fitted.
Module Panel LED
Appearance	Color	Meaning
On	Green	The Port has a link and is running at the
		speed indicated.
Off	No color	The Port does not have a link.