Emerson Liebert OpenComms EM User manual
1
LIEBERT OPENCOMMS™EM
Quick-Start Guide
WHAT’SINCLUDED
Check to make sure you have all the items that should be included with your model.
STANDARD COMPONENTS
(Shipped With Kits)
Kit Part Number
TMNET THCMNET TMPDUNET THCMPDUNET vEM-14
• EM Controller - 2 sensor ports ✔✔ ———
• EM PDU Controller - 2 sensor ports,
2 serial ports —— ✔✔—
• vEM-14 Controller - 4 sensor ports,
2 serial ports, built-in temperature and
humidity sensor
—— — — ✔
• CD with software and user manual ✔✔ ✔ ✔ ✔
• Power supply ✔✔ ✔ ✔ ✔
• Quick-start guide ✔✔ ✔ ✔ ✔
• Temperature sensor, 1 ft. (0.3m) ✔—✔——
• Temperature & humidity combination
sensor, 1 ft. (0.3m) —✔—✔—
• Serial cable for MP Advanced Power
Strips, 5 ft. (1.5m) —— ✔✔—
If any damage from shipping or mishandling is observed, file a damage claim immediately—see the user manual for details.
2
MAKE CONNECTIONS
The OpenComms EM must be installed indoors where electrical service is available. The unit should be
placed where it can be easily accessed for making connections. It may be placed on a flat surface or
mounted on a wall (see the user manual for mounting instructions). Consider the length of the sensor and
other cables and the distance to the monitored area when deciding where to place the unit.
Refer to Figure 1 when making the connections in Steps 1 - 5below to the ports on the back of the
OpenComms EM. The port placement and port labels differ for each model.
Figure 1 Rear view - OpenComms EM ports
MAKE THESE CONNECTIONS:
After connecting,
check indicators
on front of unit:
1. POWER: Connect the DC power adapter to the DCN/Power port on the back of the
OpenComms EM.
Power
ON (red)
2. ETHERNET: Connect a straight-through CAT5 Ethernet cable from your 10 Mbit
network to the Ethernet/ETH port on the back of the OpenComms EM.
Link/Cx
ON (green)
3. MODEM: If using a modem, connect an RJ45 cable from a modem to the Modem
port on the back of the unit (see the user manual for modem
setup and pinout).
Activity/Modem/
Mdm
ON (green)
4. SENSOR: Use a sensor—temperature, humidity, combination temperature &
humidity or water detection—or a contact closure cable.*
Connect a sensor or contact closure cable to any sensor port (e.g., Sensor 1,
Sensor 2). These connections may be made in any order; the ports are identical
and are configured to accept and recognize all types of sensors.
Sensor 1-2
(EM/EM PDU)
or
Sensor 1-4
(vEM-14)
ON (green)
5. SERIAL (EM PDU Controller only): Use the serial cable provided with EM PDU
controllers (available separately for vEM-14 controllers).*
Connect the six-wire end of the serial cable into the RS232 port of an MP
Advanced power strip.
Connect the other end (eight-wire) of the serial cable to either serial port (Serial 1
or Serial 2) of the OpenComms EM.
Serial 1
or
Serial 2
ON (green)
* See the user manual for instructions on making your own cable. (For a contact closure cable, the orange/white and white/orange wires must
be tied together to form the common. The blue/white wire is the contact that may be defined as either Normally Open or Normally Closed.)
EM
CONTROLLER
Rear of unit
Sensor
2
Sensor
1 Modem DCNEthernet
Power
Sensors Modem
Sensor
2
Sensor
1
Serial
2
Serial
1
ModemDCN Ethernet
Power
Serial
devices Ethernet
Sensors Modem Serial
devices Ethernet
EM PDU
CONTROLLER
Rear of unit
vEM-14
CONTROLLER
Rear of unit
Power
Dry
contact
inputs
Built-in
temperature
& humidity
sensor
3
ASSIGN AN IP ADDRESS
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 to obtain an IP address that is appropriate for your network, as well
as a subnet mask and default gateway address.
There are three methods of assigning the IP address—see the user manual for other options.
If your network uses static IP addresses and your computer has a Windows operating system, you may
use the IPSET.exe program included on the CD that came with your unit.
To do this:
1. Insert the OpenComms EM CD in the CD drive.
2. Click on the Start button, then on Run.
3. In the Run window, click on Browse to locate
the file IPSET.exe on the CD, highlight the file
name and click Open.
4. In the Run window, click OK. The IPSet window
opens, as shown at right.
5. In the IP address box in the Target area, enter
the IP address for your unit.
Note: The IP address must be unique on the net-
work—not assigned to any other device.
6. Enter the Subnet Mask of your network in the
Subnet box. (Depending on your IP address,
some or all of the Subnet Mask might be entered
automatically after you enter the IP address.)
7. Enter the default gateway address in the
Default box.
8. In the MAC address box, enter the MAC address of your device.
Note: The MAC address is found on a sticker on the bottom of the device.
9. Click on the Apply button. If the device identification is successful, the message “Successfully set IP
address” appears in the Status box. (If not, the message “No response from target” appears in the
Status box.)
10. Click on the Close button.
NOTE
These steps must be done on the same network segment where the OpenComms EM is connected.
Enter a
unique
IP address
Enter the unit’s
MAC address
(look on
bottom of unit) Apply button
Subnet
mask
Default
gateway
address
4
© 2007 Liebert Corporation
All rights reserved throughout the world. Specifications subject
to change without notice.
® Liebert and the Liebert logo are registered trademarks of
Liebert Corporation. All names referred to are trademarks or
registered trademarks of their respective owners.
SL-28205_REV02_01-07
Liebert Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
Telephone: 1-800-877-9222
Facsimile: 1-614-841-6022
www.liebert.com
OPEN THE WEB INTERFACE AND LOG IN
You must log in each time you open the Web interface. To allow you to log in the first time, the unit is set
up with a default User Name, liebert, with no password.
To open the Web interface and log in:
• Open an Internet browser, such as Microsoft Internet Explorer. (One way to do this in Windows is to
click on the Start button, then on Programs and finally on the browser program, for example,
Internet Explorer.)
• Enter the unit’s IP address or hostname into the browser’s address bar—for example, 126.4.203.246—
and press the Enter key. The Login window appears on the right side of the window, as shown below.
• Enter the appropriate user account name in the User Name box; user names are case-sensitive. The
default user name is liebert (all lowercase). For instructions on creating user accounts, see the user
manual.
• Leave the Password box blank (the default liebert user account has no password).
•ClickOK. If an error message appears, try entering the user name again. Remember that is case-
sensitive.
• If the login is successful, a message appears. Click OK.
EXIT THE WEB INTERFACE
• Click on the Summary tab at the top of the Web interface.
• To exit the Web interface, click on the Log Out button in the left side of the window. The opening
Login window appears, allowing you either to log in again or to close the Internet browser and exit the
program.
NOTE
Liebert recommends creating a password for the default liebert user account to prevent
unauthorized users from changing configuration settings. For details, see the user manual.
Login
window
Address
bar
User Name
default = “liebert”
Password
default = no password
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