EME111A-20-R3 AlertWerks ServSensor Hub – Dry Contacts (Sensor not Included), 8-Port

Item #: EME111A-20-R3

Hub – (20) Dry Contacts (Sensor not Included), 8-Port

Provides eight ports of Environmental Monitoring through the use of Intelligent Sensors.

This replaces EME111A-20-R2


  • Embedded Web Server
  • Supports up to 8 Intelligent Sensors
  • User-configurable sensor thresholds
  • Full SNMPv1 compliance
  • Includes SNMP MIB
  • Includes SNMP Utilities for setting and getting parameters
  • Supports SNMP polling to allow sensor values to be collected and graphed
  • Functions as a central hub for your AlertWerks Intelligent Sensors.


  • Sản phẩm đầy đủ giấy tờ CO (US, UK, Taiwan,…), CQ,…
  • Đầy đủ sản phẩm, giải pháp đáp ứng mọi nhu cầu của khách hàng, tối ưu chi phí
  • Starlinks tự hào là nhà phân phối chính thức các sản phẩm của Blackbox tại thị trường Việt Nam

Liên hệ Báo giá

  • Adaptable to a wide range of devices, such as UPSs, other remote monitoring systems, and building management systems.
  • Supports customized sensors for conditions like motion, gas, and sound.

The brains of your environmental monitoring system

The AlertWerks ServSensor Contact is the central hub of the AlertWerks environmental monitoring system. Connect it to your network, attach AlertWerks Intelligent Sensors and dry-contact sensors, and you’re ready to remotely view the status of your data centers and other facilities. Check for temperature, humidity, and liquids. Know when server cabinet doors are open or closed and whether the cabinet is overheating. Use it for remote monitoring and management of a wide range of devices such as HVAC systems, security equipment, UPSs, generators, and industrial equipment.

Use the AlertWerks ServSensor Contact with equipment and devices that use dry contact outputs to send alarm signals. The hub comes with eight autosensing RJ-45 ports for connecting any of the AlertWerks Intelligent Sensors (see Related Items) plus 20 additional 2-wire, dry-contact ports. These specially designed ports enable you to make your own dry-contact cables quickly and easily. A ServSensor Contact with 60 dry-contact ports (EME111A-60) is also available.

You can easily expand the number of dry-contact inputs up to 100 by using up to two optional external input modules with 40 dry contacts each. For details, call our FREE Tech Support. The ServSensor Contact is rack-mountable on standard 19″ rails and includes rackmount ears.

A clever hub

The ServSensor Contact is smart. Its embedded Web server enables you to use a standard Web browser to view sensor status over any IP network – even the Internet. Check out the status of your data center from your office, from home, or from the road. It’s fully SNMP manageable, so you can integrate it easily into any SNMP-managed network and monitor it through standard SNMP software such as HP® OpenView®.

The built-in database maintains a time-stamped log of all events, so you can go back to see what happened and when it happened. The integrated data collection and a graphing package are especially useful in spotting trends in security, detection of AC power line voltage, measurement of DC voltage, and control relays, and for providing historical information for analysis.

Active alarming

In addition to enabling you to passively monitor sensors, the AlertWerks ServSensor Contact actively alerts you when sensors exceed limits you determine. It can send alerts via SNMP or by e-mail.

Nice and easy

The ServSensor Contact installs in minutes. Simply assign an IP address and connect to the embedded Web server. Plugin any of our Intelligent Sensors or dry-contact sensors and the ServSensor’s autosensing feature will recognize the type and automatically configure it.

Configuration Software utility for IP setup, then over Web browser
Environmental Temperature: -31 to +131° F (-35 to +55° C)
Humidity 20 to 80%, noncondensing
Monitoring and Alarms Via Web browser, e-mail, SNMP trap
Power 100-240 VAC, 50-60 Hz autosensing external power supply, 5VDC 15W
Protocols Supported (Client) DHCP, DNS, SMTP, (S) NTP, NMPv1
Security User/administrator password-protected login
Item Specifications
Connectors (8) RJ-45 sensor ports, (20) dry contacts, (1) RJ-45 10-/100-Mbps Ethernet port
Dimensions 1.7″H x 18″W x 5″D (4.2 x 45.7 x 12.7 cm)
Indicators (1) Power On; (1) Link; (1) Activity; (8) Status, (8) Online; Per dry contact input: (1) Status, (1) Online
Replaces EME111A-20-R2

Sensor 6

Brochure - AlertWerks Environmental Monitoring

Manual - AlertWerks EMEMS Software

Manual - AlertWerks EMEMS Software


AlertWerks Sensor Hubs



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