Liebert EM - Manual

Introduction 1 1.0 I NTRODUCTION The Liebert OpenComms™ EM is a compact, half-duplex device designed to monitor temperature, humidity, water detection and contact closure and notify personnel when those conditions exceed user-defined limits. The OpenComms EM is available in several models, which var...

Introduction 2 1.1 Overview The OpenComms EM features indicator lights on the front, as shown in Figure 1 . Figure 1 Front view (EM PDU & vEM-14 controllers shown) 1.1.1 Dimensions and Mounting Overview - EM & EM PDU Controllers • The unit is 4.75" wide, x 2.5" deep x 1.625" high...

Introduction 3 1.1.3 Connectors on Back of Unit The back of the OpenComms EM, shown in Figure 2 , has an input power source, sensor ports, a modem port and an Ethernet port. The EM PDU and vEM-14 controllers have serial ports, and vEM-14 controllers also have 10 dry contact inputs. Figure 2 Rear vie...

Introduction 4 1.2 Indicators The front of the OpenComms EM has indicators that show input power to the unit and the status of various connections, as shown in Figure 3 and described in Table 2 . Figure 3 Indicators on front of unit EM CONTROLLER EM PDU CONTROLLER vEM-14 CONTROLLER Table 2 Indicator...

Installation 5 2.0 I NSTALLATION This section provides instructions for installing, mounting and connecting power and other cables to the OpenComms EM. 2.1 Installation Considerations The OpenComms EM must be installed indoors where electrical service is available. The unit should be placed where it...

Installation 6 2.2 Decide on Placement of the OpenComms EM The unit may either be placed on a level surface or mounted on a wall, depending on the user’s appli- cation and the location of equipment to be connected and monitored. vEM-14 controllers may also be mounted in a rack. • If placing the unit...

Installation 7 2.2.2 Mounting the Unit on a Wall or in a Rack (vEM-14 Controllers) The vEM-14 controller may be mounted on a wall or in a rack, such as the Liebert Foundation. The unit has four holes on each side, as shown in Figure 5 . Figure 5 Mounting - vEM-14 Controllers After determining where ...

Installation 8 2.3 Make Connections All ports are on the back of the OpenComms EM. The port placement and port labels differ for each model. Refer to Figure 2 for your model. 2.3.1 Connect Power to the Unit • Connect the DC power adapter to the DCN/Power port on the back of the OpenComms EM, as show...

Assign an IP Address 9 3.0 A SSIGN AN IP A DDRESS After connecting the OpenComms EM device to your network, the next step is to identify the device to the network by assigning an IP address. Consult Your Network Administrator Consult your network administrator to obtain an IP address that is appropr...

Assign an IP Address 10 3.2 Use ARP to Assign an IP Address This method may be preferable if you are not using a Microsoft host. To use the ARP command:1. Open a command prompt. In Windows, one way to do this is: • Click on the Start button, then on Run . • In the Run window, enter cmd in the Open b...

Web Interface Overview 11 4.0 W EB I NTERFACE O VERVIEW This section provides a quick look at the OpenComms EM Web interface and the viewing and configu- ration functions accessible through tabs at the top of the window.For step-by-step instructions on using the Web interface, proceed to 5.0 - Getti...

Web Interface Overview 12 4.2 Tabs The tabs at the top right of the Web interface window provide access to all the functions of the OpenComms EM device. Table 5 summarizes these functions and where to find more information. 4.3 Color-Coded Status The Web interface uses color coding to indicate the s...

Web Interface Overview 13 4.4 Thresholds in the Web Interface The OpenComms EM collects data from connected sensors at regular intervals. When a reading crosses a user-defined threshold: • The sensor’s status changes.• Alerts are sent—if the unit is configured for e-mail, pager or SNMP trap alerts. ...

Web Interface Overview 14 4.4.3 MP Advanced Power Strip Thresholds When using the OpenComms EM to monitor MP Advanced Power Strips, you may set thresholds that will trigger alerts for power, voltage, current and temperature sensors in each power strip.Each sensor has four thresholds: High Critical, ...

Web Interface Overview 15 4.5 Sensor Names and Status The Web interface displays four items about sensors in all windows available through the Summary, Sensors and Power tabs, as shown in Table 10 . The sensor’s Name is an optional user-defined description; the Description is created at the factory ...

Getting Started With the Web Interface 16 5.0 G ETTING S TARTED W ITH THE W EB I NTERFACE Once the unit is properly installed, you can view its Web interface using an Internet browser. This section provides step-by-step instructions on how to open the Web interface, log in, view monitoring data and ...

Getting Started With the Web Interface 17 5.2 View Summary Data The Summary window provides a quick look at the current status of all connected devices, as shown below. This window also has a Log Out button to exit the Web interface. To access the Summary window, log in (see 5.1 - Open the Web Inter...

Getting Started With the Web Interface 18 5.3 Sensors Window The Sensors tab provides access to sensor-related data and settings, including: • Setting thresholds that will trigger alerts for each sensor (see 5.3.1 - Configure Sensors ) • Creating display names for any sensor (see 5.3.2 - Create or C...

Getting Started With the Web Interface 20 5.3.3 View Sensor Graphs The OpenComms EM sensor data may be viewed in graphic format, along with the sensor’s upper and lower alarm limits, as described in 5.3.1 - Configure Sensors . The OpenComms EM stores up to 1,440 data samples for each sensor. Sensor ...

Getting Started With the Web Interface 21 Figure 6 Sensor graph - humidity sensor example The line graph shows the selected sensor’s readings (black) chronologically from left to right—the most current reading is on the far right—as well as Warning (yellow) and Critical (red) limits. • Use the All o...

Getting Started With the Web Interface 22 5.4 Power Window (EM PDU & vEM-14 Controllers) The Power tab provides access to MP Advanced Power Strips connected to the OpenComms EM, including: • Turning receptacles on or off—all at once, individually or in pairs (see 5.4.1 - Control Receptacles ) • ...

Getting Started With the Web Interface 23 Link the Controls of Two Receptacles Two receptacles may be linked for simultaneous control. The receptacles may be on the same power strip or on two different power strips. When two receptacles are linked, the Connections column dis- plays the link as x:y ,...

Getting Started With the Web Interface 26 5.4.4 Create or Change Port Names The Port Names feature allows you to create a name to help identify a serial port. This name is dis- played throughout the Web interface and in notifications sent by pager or e-mail. To access the Port Names window, log in (...

Getting Started With the Web Interface 27 5.5 Alerts Window The OpenComms EM may be configured to send alerts by e-mail or dial pagers to notify personnel when a sensor reading crosses a threshold, either entering a warning or critical state or returning to normal status. See 4.4 - Thresholds in the...

Getting Started With the Web Interface 30 5.6 Security Window To protect configuration settings from unauthorized users, the Web interface allows you to set up users with different levels of access. • A user with Administration privileges has full access, including creating and modifying other user ...

Getting Started With the Web Interface 31 5.6.2 Create a New User Account (Administrators Only) An administrator may create user accounts for up to 50 users, including the administrator account. Only users with administrative privileges may create user accounts.To do this, log in as an administrator...

Getting Started With the Web Interface 34 5.7 Sys Info Window The OpenComms EM may be configured to send alerts by e-mail or dial pagers to notify personnel when a sensor reading crosses a threshold, either entering a warning or critical state or returning to normal status. See 4.4 - Thresholds in t...

Getting Started With the Web Interface 37 5.7.4 Serial Ports To view the Serial Port 1 and 2 windows, log in (see 5.1 - Open the Web Interface and Log In ) and: • Click on the Sys Info tab at the top of the Web interface, as shown below. • The Serial Port 1 and Serial Port 2 links on the left side o...

Pinout Guides 38 6.0 P INOUT G UIDES 6.1 Modem Setup and Pinout Guide The OpenComms EM must be connected to a modem to send pager alerts when a sensor reading crosses a user-defined threshold (see 5.5.2 - Modem Setup for more information). The unit is compatible with modems that have DB9 or DB25 ser...

Downloading Firmware Updates 39 7.0 D OWNLOADING F IRMWARE U PDATES This section explains how to update the unit’s firmware. 1. The first step is to download the upgrade text file. To do this, visit Liebert’s Web site at http://www.liebert.com and go to the OpenComms EM section. Or contact Liebert M...

Specifications 40 8.0 S PECIFICATIONS Table 16 OpenComms EM specifications Power Requirements EM & EM PDU controller vEM-14 controller NOTE Input 120 VAC, 60 Hz 120 VAC, 60 Hz If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be ...

Ensuring The High Availability0f Mission-Critical Data And Applications. Emerson Network Power, the global leader in enabling business-criticalcontinuity, ensures network resiliency and adaptability througha family of technologies—including Liebert power and coolingtechnologies—that protect and supp...