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AlertWerks ServSensor V4EL, 8-Port, 60 Dry-Contact Inputs  

Real-time, extensive environmental monitoring and alerting system.


LIFETIME DoubleDiamond™ Warranty (Standard)

Product Highlights

  • Supports up to eight plug-and-play AlertWerks Intelligent Sensors.
  • Dry contact inputs support third-party sensors.
  • Includes a combination temperature/humidity sensor.
  • Notifies you of alarms in a variety of ways, including e-mail, SNMP, and text messages.

  • Further Details

  • Can be daisychained to expansion hubs, increasing the total sensor count to more than 500.
  • Can monitor up to 80 SNMP devices.
  • Monitors external devices via SNMP or IP "ping."
  • Manageable through an easy-to-use Web interface.
  • Full SNMP v1, v2, and v3 compliance.

  • Plug-and-play sensor integration
    The AlertWerks ServSensor V4EL with 60 Dry-Contact Inputs enables you to integrate multiple types of environmental sensors into one seamless remote monitoring system that watches over your premises. Each ServSensor supports up to eight AlertWerks Intelligent Sensors. Sensors automatically configure and go on-line, ready to report any status change. Choose from a wide variety of sensors, including water, airflow, motion, and voltage. Additionally, the V4EL has 60 integral dry-contact inputs so you can also use third-party sensors.

    Easy-to-use Web interface.
    The ServSersor hub gathers and displays sensor data in an easy-to-use, Web-based user interface, automatically generating day, week, month, and year graphs for each sensor. The data can be downloaded in a text file for external processing or remotely polled and saved automatically to a PC.

    Notification Wizard.
    The Notification Wizard enables the hub to notify you of changes in sensor status in real time. Configure each notification by choosing a sensor, selecting the alarm condition, and defining what to do when the alarm is triggered. You can choose to be notified in a variety of ways: audible alarm, SNMP trap, e-mail, text message to your phone, or fax.

    For instance, you can have the system e-mail you if the temperature in your data center goes over 75° and send you a text message if the temperature continues to climb and goes over 80°.

    You control the number of events.
    To prevent false alarms, AlertWerks allows extensive filtering of events. You can limit events based on the time of day or the day of the week. You can also limit the number of alerts per hour, so that you are not swamped with messages. This is especially important with a sensor like the motion detector where you may want to process an event only after hours.

    Auto shutdown.
    You can have Linux® devices automatically send a shutdown message to your Linux or Windows® based servers—so if there is a power outage, for example, you can rest assured that your servers will be safely and automatically shut down before your UPS runs out.

    Audio Sampling Rate: 8 kHz
    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;
    Altitude: 0 to 9842 ft. (0 to 3000 m)
    Memory 64 MB SDRAM, 128 MB NVRAM
    Operating System Embedded Linux®
    Processor 32-bit Xscale PXA270, 312 MHz
    Protocols Supported (Client) DHCP, DNS, SMTP, (S) NTP, SNMP
    CE Approval Yes
    Connectors (8) RJ-45 sensor, (3) 3.5-mm audio jacks, (1) USB Type A, (1) RJ-45 10BASE-T/100BASE-TX Ethernet, (1) DB9 M RS-232/V.24 console port, (1) 2-pin RS-485, (60) 2-pin dry contacts, (4) RJ-45 expansion ports
    Indicators (1) Power, (1) Link, (1) Activity, (8) Status, (8) Online, (60) Status, (20) Online
    Power Autosensing 100-240 VAC, 50-60 Hz external power supply
    Size 3.5"H x 18"W x 5.43"D (8.9 x 45.2 x 13.8 cm)
    Weight 6.83 lb. (3.1 kg)

    NOTE: Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-800-316-7107.


    • AlertWerks%X99 ServSensor V4EL User Manual
      User Manual for the EME149A-20, EME149A-60, EME149D-20, and EME149D-60 (Version 1)

    Black Box Explains

    Accessory: EME1T1-001

    AlertWerks Temperature Sensor, Standard

    AlertWerks Temperature Sensor, Standard

    Accessory: EME1TH1-001

    AlertWerks Dual Temperature Humidity Sensor, Standard

    AlertWerks Dual Temperature Humidity Sensor, Standard

    Accessory: EME1C1-005

    AlertWerks 4-20 mA Converter

    AlertWerks 4-20 mA Converter

    Accessory: EME1F1-005-R2

    AlertWerks Airflow Sensor, 5-ft. [1.5-m] Cable

    AlertWerks Airflow Sensor, 5-ft. [1.5-m] Cable

    Accessory: EME1W1-015

    AlertWerks Water Sensor, 15-ft. Cable

    AlertWerks Water Sensor, 15-ft. Cable

    Accessory: EME1M1-005-R2

    AlertWerks Motion Detection Sensor

    AlertWerks Motion Detection Sensor

    Accessory: EME1Y1-015

    AlertWerks Security Sensor/Contact, 15-ft. Cable

    AlertWerks Security Sensor/Contact, 15-ft. Cable

    Accessory: EME1P1C-005

    AlertWerks Power Switch, 110V, Normally Closed

    AlertWerks Power Switch, 110V, Normally Closed

    Double Diamond Warranty
    LIFETIME DoubleDiamond™ Warranty (Standard)

    Double Diamond™ Warranty (Standard)


    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The AlertWerks ServSensor V4EL, 8-Port, 60 Dry-Contact Inputs comes with a standard Lifetime warranty already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations
    ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.

    Product SKU Price Quantity
    AlertWerks ServSensor, 8-Port, No Sensor EME108A-R2 $802.90
    AlertWerks ServSensor V4EL, 8-Port, 20 Dry-Contact Inputs EME149A-20 $2,026.05
    AlertWerks ServSensor V4EL, 8-Port, 60 Dry-Contact Inputs, DC-Powered EME149D-60 $2,482.55
    AlertWerks ServSensor V4EL, 8-Port, 20 Dry-Contact Inputs, DC-Powered EME149D-20 $2,101.80
    AlertWerks ServSensor with PoE, 8-Port, No Sensor EME158A $861.50
    AlertWerks ServSensor 4 with PoE, 4-Port, No Sensor EME155A $462.55
    AlertWerks ServSensor 4, No Sensors EME105A $403.95
    AlertWerks Sensor Expansion Hub EME1X8 $370.65
    AlertWerks ServSensor Expansion Unit, 8-Port Relay Hub EME1P8 $612.05
    AlertWerks Dry Contact Expansion Hub EME1DC16 $370.65
    You can find this product in the following subcategory(s)

    Add to Cart

    Price: $2,406.80

    Quantity Available: 1




    Shipping Info

    In Stock - orders received before 5PM ET ship same day

    Weight: 6.812 lbs.
    HxWxD: 4.25 x 8.5 x 18.5 in.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.

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