3Com S21x Characteristics Cable Requirements, Port Connector Interface Cable Required Speed

Models: S21x

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Cabling the PathBuilder S21x Switch

 

 

Cables

 

 

 

 

 

 

Introduction

 

 

 

 

 

 

This section describes cables required to connect to the PathBuilder S21x switch.

Port

 

 

 

 

 

 

 

 

The table below lists the port characteristics, connector and cable requirements.

Characteristics and

 

 

 

 

 

 

Cable

 

 

 

 

 

 

 

Requirements

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port

Connector

 

Interface

Cable Required

Speed

DCE/DTE

 

 

 

 

 

 

 

 

 

 

 

1

DB25

 

DIM Site Daugh-

DB25-to-DB25

V.11, V.35 and V.36 -

Selectable

 

 

 

 

 

tercard

Cable

Max. sync speed 2

 

 

 

 

 

 

V.11, V.24, V.35,

 

mpbs

 

 

 

 

 

 

 

V.24 - Max. sync

 

 

 

 

 

 

V.36

 

 

 

 

 

 

 

 

speed 80 kpbs, Max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

async speed 115.2

 

 

 

 

 

 

 

 

kbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIM Site Daugh-

DSU/EIM Cable

DSU - 56 kbps

DTE DSU

 

 

 

 

 

tercard

Assembly and

 

 

 

 

 

 

 

DSU DIM

Lease Line Telco

 

 

 

 

 

 

 

Cable shipped with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Integral DSU only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ48S

 

DSU

DSU Telco Cable

DSU -56 kbps

DTE DSU

 

 

 

 

 

Daughtercard

shipped with DSU

 

 

 

 

 

 

 

Daughtercard

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ11

 

Voice Relay

RJ11-to-RJ11

N/A

N/A

 

 

 

 

 

Daughtercard

Cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ45

 

S/T

RJ45-to-RJ45

Either 56 or 64 kbps

N/A

 

 

 

 

 

Daughtercard

Cable

for each B Channel

 

 

 

 

 

 

 

 

and 9.6 kbps for the

 

 

 

 

 

 

 

 

D Channel

 

 

 

 

 

 

 

 

 

 

 

 

 

BNC video

 

RemoteVu

BNC-to-BNC

 

 

 

 

 

connector

 

Daughtercard

Cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ45

 

RemoteVu

RJ45-to-RJ45

 

 

 

 

 

connector

 

Daughtercard

Cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ45

 

Dual FXS

RJ45-to-RJ45

 

 

 

 

 

 

 

Daughtercard

Cable

 

 

 

 

 

 

 

 

 

 

 

 

Installing the PathBuilder S21x Switch Hardware

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3Com S21x installation manual Characteristics Cable Requirements, Port Connector Interface Cable Required Speed

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.