Nortel BayStack 420-24T User Manual

Product Brief
BayStack 420-24T Switch
Each BayStack 420-24T Switch has
24 10BASE-T/100BASE-TX autosensing
ports, 1 GBIC-based (Gigabit Interface
Converter) uplink slot and built-in
stacking connectors. It can be used as
a standalone switch or in a stack of up
to 8 switches and 192 ports, that can be
easily managed as a single unit. Advanced
features such as VLAN support,
MultiLink Trunking, Simple Network
Management Protocol (SNMP) and
flexible management tools help you to
efficiently manage your network traffic.
The BayStack* 420-24T Switch is a
stackable 10/100/1000 layer 2 Ethernet
switch featuring easy configuration and
stackability, flexible choices for high-speed
uplinks, and web-based management
from your web browser.
Combining high port density with low
per-port pricing for a cost-effective
switching solution, the BayStack 420-24T
Switch is designed for the requirements
of small- to medium-sized businesses
and branch offices that consider
advanced networking functionality
such as:
• High-density, cost-effective desktop
switching
• Migration from shared media
• Gigabit uplink to backbone switch
• Cost-Effective Desktop Switching
• Stackable Up to 8 Units
and 192 Ports
• Built-in Stacking Connectors
• Easy to Use
• Easy Web-Based Management
• 1U High Compact Design with
Lower Power Consumption

Nortel BayStack 420-24T Specifications

General

Ports	24
Layer	Layer 2
Jumbo Frame Support	Yes
Manageable	Yes
MAC Address Table Size	8K entries
Features	VLAN
Power Consumption	25W
Power Supply	Internal
Operating Temperature	32°F to 104°F
Operating Humidity	10% to 90% non-condensing
Dimensions (W x D x H)	440 x 254 x 44 mm (17.3 x 10 x 1.73 in)

Summary

BayStack 420-24T Switch Overview

Features and Benefits

Full Autosensing on Every Port

Automatically detects and supports speed and mode of connected devices for optimal performance.

Auto-polarity

Automatically detects cable polarity, allowing use of straight-through or crossover cables for easy connections.

High-Density Stacking Architecture

Allows stacking up to 8 units for 192 ports, managed as a single unit with built-in connectors.

Wire-Speed Throughput

Supports full 802.1D-compliant MAC Layer frame forwarding at wire-speed performance with no packet loss.

Flexible High-Speed Uplink Options

Features a GBIC slot for high-speed connections to backbone switches or servers via fiber interfaces.

Additional Features and Benefits

Supports Spanning Tree Protocol

Flexible Management Platforms

Advanced Management Features

Includes BootP, TFTP, RADIUS-based security, and software upgrade capabilities.

Technical Specifications

Performance Specifications

Details forwarding rates, latency, and packet processing capabilities.

Network Protocol and Standards Compatibility

Lists supported IEEE standards for Ethernet, bridging, and VLANs.

Electrical Specifications

GBIC Specifications

1000BASE-SX GBIC

1000BASE-LX GBIC

Ordering Information

BayStack 420-24T Switch and Accessories

Lists order numbers and descriptions for switches, stack cables, and GBIC modules.