
Revision 1.0
Page 7
®
®
•
Clean the unit with a soft cloth. Do not use chemical cleaners as they may remove
paint or markings or may corrode the SMS100 enclosure or seals. Do not use any
cleaners containing acetone, as they will deteriorate the plastic enclosure.
•
Ensure that the unit is mounted securely and cannot be moved relative to the mounting
surface. If the unit is loose, tighten the mounting screws.
•
Check the security of all cable connections and tighten if necessary.
6 Troubleshooting
If you notice unexpected operation of the Maretron SMS100, follow the troubleshooting
procedures in this section to remedy simple problems.
Symptom
Troubleshooting Procedure
Text Messages
not Transmitted
•
Check the connection to the NMEA 2000
®
and connector and
tighten if necessary
•
Ensure that power is supplied to the connected NMEA 2000
®
network segment
•
Use
N2KView
®
, a DSM150, or DSM250 to verify Cellular Provider,
signal strength, and active SIM card status
•
Check that the proper cellular telephone number has been
programmed into N2KView
®
, the DSM150, or DSM250
No Cellular
Provider
Indicated
•
Check that the antenna is connected properly to the antenna
connector on the SMS100
•
Check to see if you are within the coverage area of the cellular
operator whose SIM card is installed in the SMS100
•
Check that the SIM card has an active SMS plan
SIM Card Not
Ready or
Present
•
Check that the SIM card is properly installed in the SMS100
•
Check that the SIM card has an active SMS plan
Figure 3 – Troubleshooting Guide
If these steps do not solve your problem, please contact Maretron Technical Support (refer to
Section 8 for contact information).
7 Technical Specifications
Specifications
Parameter
Value
Comment
NMEA 2000
®
Connector
DeviceNet Micro-C
Industry Standard Waterproof
NMEA 2000
®
Isolation
Opto-Isolated
Antenna Connector
SMA
For use only with supplied cellular antenna
Cellular Technologies
2G GSM/GPRS/EDGE
3G UMTS/HSDPA/HSUPA
Supported Bands
800/850/900/1700/
1900/2100 MHz