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Installation & Operating Instructions

Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI  54631 USA

Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:sales@bapihvac.com • Web:www.bapihvac.com

Specifications subject to change without notice.

rev. 01/25/18

39021_RCV_900_BACnet

2 of 9

900MHz BACnet Gateway/Receiver 

 Mounting and Termination

MOUNTING

Attach the antenna to the Gateway and position the 

Gateway within range of the sensors (275 feet line of sight 

range max). To achieve maximum range, do not mount the 

Gateway behind any objects or inside a metal enclosure. 

NOTE: For maximum range if the Gateway is mounted to a 

wall, fold the antenna to the vertical position.
Terminate the unit as described below and then verify 

communication as described in the “Gateway Network 

Setup” section. After verifying communication, permanently 

mount the Gateway and re-verify communication between 

the sensors and Gateway.  

TERMINATION

Figure 2 shows the power, antenna and Ethernet 

connections for the Gateway. The Gateway is powered by 

a plug-in 5VDC power supply provided with the unit. The 

plug is inserted into the “5 VDC” jack. It is recommended 

to make a proper ethernet connection first before applying 

power to the Gateway.
Connect the supplied CAT5 cable to the Ethernet wall jack 

and to the Gateway Ethernet port. 
When the Ethernet cable is connected, the yellow LED to 

the left of the Ethernet jack will illuminate, indicating that 

the network is linked. The green LED on the right of the 

Ethernet jack will begin blinking, indicating network activity.  

If either LED stays dark, then there may be a problem with 

the power to the unit or the Ethernet connection.  

Fig. 2: 

900MHz BACnet 

Gateway/Receiver 

Termination

Gateway Network Setup

Fig. 3: 

Gateway TCP/IP Discoverer  

(above) and Login Screens

TCP/IP DISCOVERER UTILITY

Download and install the WAM Discoverer 

Utility from the BAPI website at 

www.bapihvac.com. Click on the “Wireless” 

Icon, then “WAM - Wireless Asset Monitoring”, 

then “WAM Local”, then click on the link “Click 

here to download WAM Gateway Utilities” 

which will download the utilities.
Running the utility finds the Gateway on 

the network and displays the MAC and IP 

addresses of the unit. 
The Discoverer screen will show all Gateways 

that are currently available on the network. 

Click on the assigned Gateway IP address that 

is displayed on the Discoverer utility to launch 

the Gateway Administration “Login” screen.
Enter user name “admin1” and password 

“bapi1” to navigate to the Gateway 

Configuration screen. (Fig. 3)

Summary of Contents for GTW900

Page 1: ...f the following browsers to access the Gateway configuration and data screens Web Browsers Supported Microsoft Internet Explorer 7 Mozilla Firefox 11 Apple Safari 5 1 Google Chrome v18 or newer versio...

Page 2: ...oper ethernet connection first before applying power to the Gateway Connect the supplied CAT5 cable to the Ethernet wall jack and to the Gateway Ethernet port When the Ethernet cable is connected the...

Page 3: ...on Turn off the Gateway via the Halt button Log out of the configurator screen via the Logout button Upgrade the Gateway firmware Configure the Time and Date The Gateway contains many user configurabl...

Page 4: ...and the sensor is given a temperature value of 200 If the Transmission Interval of the sensors is set at 5 minutes and the No Reading Timeout After Interval Time is set at 10 minutes then this option...

Page 5: ...alues in that column Sensors Button Click to instantly refresh the sensor readings page The page is refreshed automatically every 30 seconds Delete All Button Clicked to delete all readings that are r...

Page 6: ...It will also show any sensors that have been discovered by the Gateway even though they are reporting to a different Gateway Settings for an ED Device Type will not be added to the settings list if t...

Page 7: ...Gateway to ensure a solid communication link See the installation sheets for each ED device for the location of the Service Button Channel Use the pull down list to select what channels you want the G...

Page 8: ...ning Voltage Use this pull down to select a battery level when the sensor will go into Battery Conservation Mode and stop transmitting sensor readings and start logging them The sensor will continue t...

Page 9: ...equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the...

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