User`s manual
Table Of Contents
- 1. Introduction
- 2. Getting Started
- 3. Initial IP Address Configuration
- 4. Introducing Serial Port Operation Modes
- 5. Introducing OnCell Central and Ethernet Operation Modes
- 6. Using the Web Console
- 7. Cellular Network Settings
- 8. Configuring Serial Port Operation Modes
- 9. Configuring the Cellular-Enabling Ethernet Device
- 10. Configuring OnCell Central Management Software
- 11. Additional Serial Port Settings
- 12. System Management Settings
- 13. Software Installation/Configuration
- A. Pinouts and Cable Wiring
- B. RFC2217
- C. Dynamic Domain Name Server
- D. Well Known Port Numbers
- E. Auto IP Report Protocol
- F. GSM Alphabet
- G. Default Settings

OnCell G3111/G3151/G3211/G3251 Series User’s Manual Using the Web Console
6-7
ATTENTION
There is a risk of explosion if the real-time clock battery is replaced with the wrong type!
The OnCell G3111/G3151/G3211/G3251’s real time clock is powered by a lithium battery. We
strongly recommend that you do not attempt to replace the lithium battery without help from a
qualified Moxa support engineer. If you need to change the battery, please contact the Moxa RMA
service team.
Time zone (default=GMT Greenwich Mean Time): This field shows the currently selected time
zone and allows you to select a different time zone.
Local time: This field shows the time that you last opened or refreshed the browser. To set the local
time for the OnCell G3111/G3151/G3211/G3251, click on the Modify button, update the date and
time, and then click on submit.
Time server: The OnCell G3111/G3151/G3211/G3251 uses SNTP (RFC-1769) for auto time
calibration. You may enter a time server IP address or domain name in this optional field. Once the
OnCell G3111/G3151/G3211/G3251 is configured with the correct time server address, it will
request time information from the time server every 10 minutes.