Summary of Contents for Stevens 93950A
- Page 1 Stevens Cell-Net CDMA & GSM M2M 3G Data Modem Product Manual Stevens Part #93950A (GSM) Stevens Part #93950B (Verizon) updated: July 2015 ...
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Page 2: Table Of Contents
Contents 2. Technical Specifications ........................ 4 2.1 Features ............................ 4 2.2 LED Indicators .......................... 5 2.3 Comm Port Pin-out .......................... 5 3.0 Cell-Net-Set Software ........................ 6 3.1 Cell-Net Setup .......................... 6 3.2 Connecting to the modem ...................... 6 3.3 Summery Tab while configuring the modem ................ 7 3.4 APN Setting – Using GSM Model .................... 11 3.5 Data Transfer Protocol Tab ... - Page 3 Communication can be made via ether HTTP or FTP protocols as well as IP:Port, allowing data to be uploaded directly to a web service such as “Stevens Connect” for display, or sent to a server with FTP access for storage and future analysis, or for direct M2M data connections. The Cell-Net modem has advanced buffering capabilities allowing for data packets to be queued ensuring reliability during periods of high cellular data traffic over network towers.
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Page 4: Technical Specifications
2. Technical Specifications 2.1 Features LED Indicators Ports (See appendix for LED behavior definition) RS-232 for M2M communication Power: indicates power to the unit USB A for connection to computer for GPS: indicates a GPS location fix configuration Cell: indicates state of its connection to SMA connection for cellular antenna the tower. -
Page 5: Led Indicators
2.2 LED Indicators The power LED blinks continuously if the modem is powered. The GPS LED stays on while it is getting a GPS fix goes off once it gets its fix. The Cell LED will flash red while it is in contact with the tower. -
Page 6: Cell-Net-Set Software
3.0 Cell-Net-Set Software Cell-Net can be configured with Cell-Net-Set software. Cell-Net-Set Software can be loaded from the CD that accompanied the shipment of this product. 3.1 Cell-Net Setup Once Cell-Net-Set Software is installed on the computer, and the Cell-Net modem is properly powered with a 12 volt DC source, connect a USB cable between the modem and the computer. ... -
Page 7: Summery Tab While Configuring The Modem
3.3 Summery Tab while configuring the modem By clicking on the MEID or IMEI number in the connection box, the modem is connected. The term “Idle” will appear at the top of the window. The file menu in the top left hand Conner of the window will allow the user to save a configuration. - Page 8 connected and sufficient time is given to get a GPS fix. 90 seconds is a typical time for this if there is a clear view of the sky. “RSSI From the last tower ping” The RSSI is the received signal strength index between the modem and the cell tower. It is the log of the received power in Watts.
- Page 9 The chart above can be used to interpret the RSSI for trouble shooting purposes. If the RSSI becomes marginal or bad in the chart, it may indicate a problem with the antenna. If the RSSI is marginal or bad, check to see if the antenna screw connection is tight. A low RSSI can also indicate a bad location for the Cell-Net in relation to the nearest cellular tower.
- Page 10 “Clock Sync” This field shows whether the feature Clock Sync is disabled or enabled for use. It is described in section 3.7 for the Comm Port Setting tab. “CTS Wakeup” This field shows if the modem is using CTS to wake up a logger or device through its RS232 port.
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Page 11: Apn Setting - Using Gsm Model
3.4 APN Setting – Using GSM Model The APN setting tab is used specifically for the GSM version of Cell-Net. If the model is a CDMA (Verizon) version of the product, the software will not allow this tab to be selected. In this tab, you can set the APN (Access Point Name) User ID, and Password for the Cellular network associated with the installed SIM (subscriber identity module) card. -
Page 12: Data Transfer Protocol Tab
3.5 Data Transfer Protocol Tab In the data transfer protocol tab, the destination to either an FTP, HTTP or Both HTTP & FTP can be configured. “Data Transfer Protocol” In this field, select the type of destination, FTP, HTTP or Both HTTP & FTP. This page has two sections. -
Page 13: Http Setup
3.5.1 HTTP Setup “Target Domain OR IP Address. Folder/File name, and Port” for HTTP Enter the target domain in the field. The target domain can be a .com web address (for example; www.yourdomain.com) or an IP address (for example 012.345.678.910). The “Test HTTP Message”... -
Page 14: Ftp Setup
3.5.2 FTP Setup “Target Domain OR IP Address. Folder/File name, and Port” for FTP Enter the target domain in the field. The target domain can be a .com web address (for example; www.yourdomain.com) or an IP address (for example 012.345.678.910). Enter the user name and password associated with the FTP site in the proper field. -
Page 15: Transmission Setup Modes Tab
3.6 Transmission Setup Modes Tab In the Transmission Setup Modes Tab, the user can select and control the data transmission criteria. There are 4 modes that are selectable on the left side of the window. These modes will help the user conserve power consumption as well as control the amount of data sent over the cellular channel, which in turn helps keep the data plan cost from getting out of control. - Page 16 transmitted. If this transmission mode option is selected, the modem will send the data when it receives it after a selectable time delay. This allows users to continue to fill the buffer even if there are gaps in time for data sets. Just set the delay time for something greater than the largest gap in the data set.
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Page 17: Comm Port Setup
3.7 Comm Port Setup The user can set up the RS232 comm port on the modem with the baud rate, data bits, parity, stop bits, and flow control. It is very important to note that the modem’s comm port needs to have the same setup as the connected device’s comm port. -
Page 18: Manufacturing Test Tab
3.8 Manufacturing Test Tab. This tab is used for testing and configuration by the factory. It is password protected. 3.9 Go Online/ Go Offline Button At the top of the software page located above the tabs, the first button is the “Go Online/Go Offline”... -
Page 19: File Menu
4.1 File Menu The File menu allows the user to save and open configurations. This feature is useful if a large number of modems need to be setup with the same configuration, or if the user wants to keep a record of the configurations on individual modems. -
Page 20: What If The Software Freezes Up
You may need an SMA to Type N Bulk head connector (Part Number 92824-002) an N to N cable (92845-010) and a higher gain antenna. See table in section 2.1. Stevens Water Monitoring Systems, Inc 12067 NE Glenn Widing Dr. Suite 106 Portland, OR 97220 www.stevenswater.com 1800-452-5272 ... -
Page 21: Appendix I - Led Behavior Described
6.0 Appendix I – LED Behavior Described Page | 21 ...
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