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7. Select the Configuration Menu link, then change the IP address, Subnet Mask, and 

default Gateway to the one provided by your IT Department. Press the Submit 
Changes button. The EMS 400

TM

 will save the new IP address, Subnet Mask and 

default Gateway and reboot. 

8. Change the IP address of the computer back to its original IP address. If the 

computer was configured as DHCP (the network domain controller assigns an IP 
address) return it to this state. This may require assistance from your IT Department, 
or you may need to consult the computer’s manual.

9. The computer and the EMS 400

TM

 are now both configured to communicate on the 

network. Both should be accessible via the network. Connect the PC and the EMS 
400

TM

 to the network. From the PC web browser, type in the new IP address of the 

EMS 400

TM

. Enter the user name and password as stated above to verify network 

access to the device.

EIA-232 Connection

The EMS 400

TM

 can be connected directly to a PC through its EIA-232 port. Designed 

for temporary use, this connection supports IP configuration, firmware downloads, and 
troubleshooting. Connect via a straight through, 9-pin serial cable.

Wire the Digital Inputs and Relay Outputs

Four (4) wired digital inputs and two (2) wired relay outputs provide expanded 
monitoring and notification capabilities. Your wired inputs may look like this:

2

3

4

Mount the Device

The EMS 400

TM

 is designed to installed in a 19-inch rack or mounted on a wall. 

  If you’re installing it in the front of a rack, use our rack mount bracket.

  If you’re installing it in the back of a rack, use our rack mount tabs.

  If you’re mounting it on a wall, use Upsite’s wall mount bracket.

Remove the mounting screws from the side of the device, put the mounting bracket or 
tabs in place, and reapply the screws. Use the proper anchoring method and hardware 
to mount the unit securely in your desired location.

Provide a Power Supply and Ground Connections

1. Power the EMS 400

TM

 from a UPS supply so the device can send alarm notifications 

during a power outage. Power can be supplied to the EMS 400

TM

 through either the 

power jack and the provided wall adapter OR the power supply terminal block. 

2. Connect an 18AWG ground wire from the ground terminal (marked on the upper left 

side of the enclosure) to a suitable earth ground. 

3. Plug the provided wall adapter into the jack at P1 and the UPS outlet. The wall 

adapter has a five foot (1.524 m) power cord.

4. If you’re providing your own power supply, connect 24VDC to the unit through  

the power terminal block.

Never connect both power sources simultaneously — you will damage the EMS 400

TM

Connect the EMS 400

TM

 to the Network

The EMS 400

TM

 needs network connectivity in order to access the web interface, 

configuration screen, and to activate the email (SMTP), BACnet slave, Modbus slave, 
and SNMP features. Use the provided CAT 6 crossover cable to the 10/100BASE-T 
Ethernet port directly to a PC. Use a straight-through CAT 5 cable (purchased 
separately) to connect the EMS 400

TM

 to a network hub or switch.

Set the IP Address Using a Web Browser

If you have not set an IP address before, consult your IT Department for support.

Note:  The default IP address for the EMS 400

TM

 is 10.0.0.188

 

The default Subnet Mask is 255.255.255.0

 

The default user name is fds (all lowercase)

 

There is no default password — leave the password field empty.

1. Contact your IT Department to obtain an available IP address, Subnet Mask, and 

default Gateway.

2. Plug a crossover network cable (provided) into the laptop or workstation that will be 

used to configure the EMS 400

TM

3. You’ll need to change the IP address and Subnet Mask of your computer so it 

can communicate with the EMS 400

TM

 in its factory-configured state. Before you 

change anything, write down the original IP address and Subnet Mask of your 
computer — you’ll need to revert back to these original settings once the  
EMS 400

TM

 is configured.

4. Change the IP address and Subnet Mask of the computer from its existing address 

to one that will allow it to communicate with the EMS 400

TM

, such as 10.0.0.189. It 

may be beneficial to set the IP address to one that is one number different from the 
EMS 400’s IP address (10.0.0.188).

5. Connect the other end of the crossover cable to the Ethernet port on the back  

of the EMS 400

TM

6. Access the EMS 400

TM

 through a Web browser — type the EMS 400’s IP address 

(10.0.0.188) into the location bar. When prompted, enter the EMS 400

TM

 user name, 

which is fds. There is no default password, leave it blank. 

Wired outputs may look like this:

Configure the digital inputs and relay outputs in the System Configuration section  
of the EMS 400

TM

 web interface. Refer to the EMS 400

TM

 User Guide for more  

detailed information.

Sensor Discovery Wizard

The EMS 400

TM

 is equipped with a sensor discovery wizard. Run the wizard when you 

install or need to locate new sensors. The wizard will discover available WireFree 
sensors and enter them into the Sensors page in the web interface. Once the wizard 
has run, it will automatically turn itself off.

To configure sensors to communicate with the EMS 400

TM

, follow these steps:

1. Install all your sensors in the desired locations. If necessary, pull the nylon tabs or 

install batteries to activate the sensors.

2. In the EMS 400’s user interface, click the Admin link in the left navigation bar and 

then click the Sensors link to go to the Sensors tab. Click the Sensor Discovery 
Wizard button.

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