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KVM Switches > 
Tripp Lite > 
Item#: N82E16817404058

TRIPP LITE B042-004 4-Port 1U Rackmount USB/PS2 KVM Switch with On-Screen Display

  • 4 Ports Computer Connections
  • Video Resolution 2048 x 1536
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Tripp Lite NetController™ 4-Port Rackmount KVM Switch B042-004

Tripp Lite B042-004 NetController™ 4-Port Rackmount KVM Switch is the smart solution for controlling multiple computers and servers from one monitor, keyboard and mouse. Requiring just 1U of rack space, the B042-004 features a rugged housing, premium connectors and superior functionality to ensure trouble-free operation in demanding high-availability environments. The B042-004 can control four servers/computers directly, or up to 244 by daisy-chaining additional KVM switches. It is compatible with both PS/2 and USB computers using Tripp Lite P780-Series combo KVM cable kits (sold separately).

All-in-One Network Management for Critical Systems

The B042-004 offers a comprehensive, cost-effective network management solution that installs in 1U of rack space. No server-resident software is required, so server performance and reliability are never compromised. Upgradable firmware fine-tunes compatibility with emerging standards.

All-in-One Network Management for Critical Systems
Feature Focus
Control Multiple Computers

Supports Multiple Platforms

The B042-004 supports both PS/2 and USB connections (Tripp Lite P780-Series combo KVM cable kits required; sold separately). Because compatibility is based on common hardware standards rather than system software dependencies, almost any platform can be accommodated. Connect multiple versions of multiple platforms in any combination, including Windows®, Mac®, UNIX®, Linux, BSD and DOS.

Simple, Flexible Network Control

The B042-004 is designed to ease multi-server management in data centers, server rooms and other high-density environments. An advanced on screen display (OSD) with high-resolution video up to 2048 x 1536 provides a graphical user interface with management tools including custom port labeling, auto-scanning and panel array mode. Users may also select a connected computer using on-console pushbuttons or keyboard hotkey commands. Two LEDs per KVM port indicate (1) when a computer is connected to a KVM port and powered on, and (2) when a computer is selected.

Control Multiple Computers

The B042-004 is capable of controlling up to 244 servers/computers by daisy-chaining additional B042-Series KVMs. This gives network managers the flexibility to add capacity when it's needed, accommodating growing data center requirements without disrupting existing equipment.

Access Servers Anywhere with Optional IP Remote Access Capability

The B042-004 accepts an optional IP remote access unit (Tripp Lite model B051-000) that provides secure IP remote access to connected servers/computers without requiring additional rack space. IP remote access enables system administration, BIOS-level troubleshooting, GUI application installations, equipment reboots and more to be accomplished from any location using a standard Web browser or multi-platform client software.

Secure Every Connection

The B042-004 offers two levels of password protection (administrator/user) to prevent unauthorized persons from gaining access to connected servers/computers.

Peace of Mind

The B042-004 is manufactured in compliance with strict RoHS specifications, reflecting Tripp Lite's commitment to environmental responsibility. For peace of mind, it comes backed by a one-year warranty.

Technical Specifications

  • Type: 4-Port Rackmount KVM Switch
  • Users: 1
  • Maximum video resolution: 2048 x 1536
  • Maximum CPU control: 244 units (with daisy-chaining)
  • Material of construction: Metal housing
  • OS compatibility: All major operating systems
  • Agency approvals: Tested to RoHS
  • Warranty: One-year
What’s in the Box

What's in the Box

  • B042-004 Rackmount KVM Switch
  • External Power Supply
  • Rackmount Hardware
  • 8in. Daisy-Chain Cable
  • Daisy-Chain Terminator
  • 4ft. HD15 to DB9 Firmware Upgrade Cable
  • Owner's Manual CD and Quick Start Guide
Tripp Lite
Rackmount KVM Switches
Ports 4 8 16
Users 1 1 1
Max # of CPUs 244 248 256
Compatibility VGA, USB or PS/2 VGA, USB or PS/2 VGA, USB or PS/2
IP Manageable w/ B051-000 w/ B051-000 w/ B051-000
Warranty One-Year One-Year One-Year


Learn more about the Tripp Lite B042-004




D-Sub, USB, PS/2
Computer Connections
4 Ports
Video Resolution
2048 x 1536
PC Selection
Push Buttons/Hot Keys/OSD
16.1"W x 6.5"D x 1.8"H


Connect up to 128 computers by daisy-chaining up to 8 levels of B042-Series KVM Switches

Allows for easy customization of ports by daisy-chaing any combination of B042-Series KVM's

Standard 19" Rackmount size

On-Screen Display (OSD) menu for intuitive operation and easy control

USB and PS/2 keyboard and mouse support on both console and PC/Server side

Supports video resolution up to 2048 x 1536 (QXGA)

Password protection and auto-logout features

Firmware upgradeable

Robust metal case design ensures best EMI/RFI shielding and video quality

Hot-swappable: disconnect and reconnect USB computers without rebooting

Supports standard 5-button Microsoft, Logitech, or comparable mice

Supports standard Microsoft, Logitech, or comparable keyboards

Supports MAC, DOS, Windows 95/98/SE/NT/2000/ME/XP/Server2003/Vista, Unix, Linux and BSD


Package Contents
B042-004 KVM Switch
AC Power Adapter ( Multi-National ) and rackmount hardware kit
8-in Daisy-Chain cable - HD15M/HD15F ( for longer daisy-chain cables, see Tripp Lite P781 series cables)
Daisy Chain terminator - HD15M
Owners manual CD and Quick start guide

Manufacturer Warranty

2 years limited
2 years limited

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Tripp Lite B042-004

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  • Jennifer K.
  • 11/30/2009 8:13:34 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsCan not be up and running "out of box"

Pros: None known yet.

Cons: Who makes a highly featured KVM switch that uses proprietary cables, but doesn't include any in the box? Tripp-Lite, that's who. I'm disappointed by this. I am on a high priority project and was expected to be up and running as soon as this KVM arrived. No where on the description did it state that it did not include the required proprietary cables. The bosses will be happy that this project is delayed another two days minimum.

3 out of 5 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Input Devices > 
KVM Switches > 
Tripp Lite > 
Item#: N82E16817404058
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