Index

Numerics

10Base2 Ethernet cable 2-910BaseT Ethernet cable 2-915637

ChapTitle

PathBuilder S21x Series Switch 2-13Com bulletin board service (3Com BBS) 2 3Com URL 1

3ComFacts 2

A

air circulation 2-3Audience v

B

Battery disposal 2-12

replacement schedule 2-12replacement type 2-12

bulletin board service 2

C

Cable 10BaseT 2-9

cable clearance 2-3

Cables 2-5location 2-5

Cabling 10Base2 2-910BaseT 2-9

DECconnect pinout specifications B-2caution, definition v

Configuration troubleshooting during C-2

CTP

cable 2-9description 1-2

CTP Port 1-2

D

Daughtercard Dual Slots 1-2

Daughtercards 1-2

DSU 1-3options 2-11

DSU daughtercard overview 1-3

E

Electromagnetic specifications A-1Environmental specifications A-1

F

fax service (3ComFacts) 2 Front Panel 3-3

I

Installing

PathBuilder S21x Switch 2-5

L

List of parts 2-2

M

Missing parts what to do 2-2

Multiprotocol support 1-5

N

network supplier support 2

O

online technical services 1 Ordering information

PathBuilder S200 Series User Guides ix Overview of contents vii

P

Parts list 2-2

PathBuilder S200 Series User Guides ix PathBuilder S21x Switch

configuration 2-5installing 2-5Shipment Contents 2-2Top Cover Removal 2-13unpacking 2-5

Physical specifications A-2power

source 2-3

Power requirements A-2Powering on 3-2Powerup

diagnostics 3-2, 3-3

FLASH memory corruption 3-4

Index-1

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3Com S21x installation manual Index, Numerics

S21x specifications

The 3Com S21x series represents a breakthrough in networking technology, specifically designed for small to medium-sized businesses looking for reliable and efficient networking solutions. This series is renowned for its robust features, which enhance connectivity while simplifying management, making it a go-to choice for organizations striving to optimize their network infrastructures.

One of the standout features of the 3Com S21x is its impressive port capacity. With multiple Ethernet ports, the switch facilitates seamless connections for various devices, ensuring that businesses can scale their operations without worrying about bandwidth limitations. The S21x supports both Fast Ethernet and Gigabit Ethernet connections, providing flexibility for different networking demands.

In addition to its port capabilities, the 3Com S21x incorporates advanced Power over Ethernet (PoE) technology. This feature enables the switch to deliver power to connected devices such as IP cameras, VoIP phones, and wireless access points directly through the network cable. This not only reduces the need for external power sources but also simplifies installation and lowers overall costs.

Another significant characteristic of the S21x is its Layer 2 switching capabilities. This means the device is equipped to handle basic data switching tasks efficiently, including VLAN support for network segmentation and traffic management. VLANs enhance security by isolating sensitive data traffic within specific segments, providing an additional layer of protection for network resources.

The 3Com S21x is also designed with ease of management in mind. It utilizes a user-friendly web-based interface that allows IT staff to configure and monitor the switch effortlessly. This accessibility ensures that even those with minimal networking experience can manage the device effectively, reducing the likelihood of configuration errors and downtime.

Furthermore, the S21x series is built with reliability at its core. The hardware is designed to withstand typical operating conditions in an office environment, minimizing the risk of failure and ensuring consistent performance. Coupled with a focus on energy efficiency, this series helps businesses reduce their operational costs while maintaining a green footprint.

In summary, the 3Com S21x series stands out in networking solutions for small to medium-sized enterprises, featuring a robust combination of port capacity, PoE support, Layer 2 functionality, easy management, and reliability. Organizations looking to enhance their network performance will find the S21x to be an invaluable asset, capable of growing with their needs while ensuring efficient and secure connections.