Black Box AlertWerks ServSensor V4EL, 8-Port, 20 Dry-Contact Inputs

$2,319.21
$2,042.55 SAVE $276.66
None availableas of 08/29/2026

Ships when available. Free shipping on most items when you spend $100 or more.

Special orders typically ship in 1-12 weeks.

Compliance, certifications and origin

  • RoHS
  • WEEE
  • Origin: Philippines
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Protect this device

Plans are optional and can be left off. Your order is unchanged unless you add one.

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the Black Box AlertWerks

Centralize Environmental Monitoring and Alerting

The AlertWerks V4E Lite Gateway with 20 Dry-contact inputs provides centralized monitoring for environmental conditions and SNMP-enabled devices, helping organizations detect issues early and respond before they impact critical operations. Ideal for data centers, network closets, server rooms, and other critical facilities, it delivers real-time visibility through an intuitive WebUI.

Connect up to eight AlertWerks Intelligent Sensors for monitoring temperature, humidity, water leaks, airflow, motion, voltage, and more. Expansion modules enable the system to scale as requirements grow, supporting up to 500 sensors across a distributed monitoring environment.

Real-Time Monitoring and NotificationsAn embedded web server displays sensor data and status information from anywhere on the network. Customizable alerts can be delivered through email, SNMP traps, text messages, and other notification methods, helping ensure rapid response to environmental events and equipment issues.

Built-in graphing, reporting, and event logging tools simplify trend analysis, troubleshooting, and long-term planning.

Technical specifications

Technical Specifications of the Black Box AlertWerks

General Information

General Information specifications
Manufacturer Black Box Corporation
Manufacturer Part Number EME149A-20
Manufacturer Website Address http://www.blackbox.com
Brand Name Black Box
Product Line AlertWerks
Product Name Gateway - (4) Expansion Ports, (20) Dry-Contact Inputs, 8-Port
Product Type Environmental Monitoring System

Power Description

Power Description specifications
Input Voltage 120 V AC230 V AC
Frequency 50 Hz60 Hz

Physical Characteristics

Physical Characteristics specifications
Color Family Black
Product Color Black
Height 1.8"
Width 17.1"
Depth 5.4"
Weight (Approximate) 5.73 lb

Miscellaneous

Miscellaneous specifications
Additional Information
  • Altitude: 0 to 9842 ft. (0 to 3000 m)
  • Audio: Sampling Rate: 8 kHz
  • CE Approval: Yes
  • Configuration: Via Web browser (HTTP / HTTPS)
  • Encryption: SSL 128 bit (HTTPS), SNMPv3
  • Environmental Temperature: -31 to +131° F (-35 to +55° C)
  • Humidity: 20 to 80%, noncondensing
  • Memory: 64 MB SDRAM, 128 MB NVRAM
  • Operating System Support: Embedded Linux®
  • Power: Autosensing 100-240 VAC, 50-60 Hz external power supply
  • Processor: 32-bit Xscale PXA270, 312 MHz

Protocols Supported (Client)

  • DHCP
  • DNS
  • SMTP
  • (S) NTP
  • SNMP

Connectors

  • 8 x RJ45 Sensor
  • 3 x 3.5-mm Audio Jacks
  • 1 x USB Type-A
  • 1 x RJ45 10BASE-T/100BASE-TX Ethernet
  • 1 x DB9 (Male) RS-232/V.24 Console Port
  • 1 x 2-pin RS-485
  • 20 x 2-pin dry Contacts
  • 4 x RJ45 expansion Ports

Indicators

  • 1 x Power
  • 1 x Link
  • 1 x Activity
  • 8 x Status
  • 8 x Online
  • 20 x Status
  • 20 x Online
Green Compliant Yes
Country of Origin Philippines
Environmental Compliance Restriction of Hazardous Substances (RoHS)Waste Electrical and Electronic Equipment Directive (WEEE)

Warranty

Warranty specifications
Limited Warranty Lifetime

Ratings and reviews

Do you own the Black Box AlertWerks?

Be the first to write a review.

Displaying 1-10 of 70

Accessories

Similar products you might also like

Environmental Monitoring Systems

Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Special order item. This item ships direct from the manufacturer and cannot be cancelled once ordered. If you have any questions before ordering, ask us first: chat with us or call 1-800-692-8757.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.