Multimodem Isms Documentation; User Guides; At Commands; Front And Back Panels - Multitech MultiModem iSMS SF100-G Administrator's Manual

Chapter 1 – Product Overview and Safety Information

MultiModem iSMS Documentation

User Guides

All product documentation is available on the Multi-Tech website:

AT Commands

The AT commands used to configure this product are described in a reference guide. You can find this guide, "GPRS AT
Commands Reference Guide" on the Multi-Tech website. Document part numbers include: S000463 and S000293.

Front and Back Panels

Front Panel of model SF100

Front Panel LEDs of Model SF100
LED Description
Power Lights when power is being supplied to the MultiModem iSMS.
Status When functioning normally, the LED blinks. The LED is a solid light when the unit is booting up,
saving the configuration, restarting, or updating the firmware.
LAN
Lights when a successful connection to the 100BaseT LAN is established. Off when connected at
10BaseT.
10/100
LAN
Lights when the LAN port has a valid Ethernet connection.
Blinks when it is receiving or transmitting data.
LNK / ACT
Modem TD
RD
CD
TR
LS
Signal Indicates the wireless signal strength. See the Signal Strength section in this chapter.
SIM Location of the SIM card.
MultiModem® iSMS Administrator's Guide
TRANSMIT DATA. This LED blinks when the modem is transmitting data to your wireless
carrier.
RECEIVE DATA. This LED blinks when the modem is receiving data from your wireless
carrier.
CARRIER DETECT. This LED lights when the modem detects a valid carrier signal from a
wireless carrier.
(DATA) TERMINAL READY. This LED lights when the modem is trying to establish a
wireless connection.
LINK STATUS. This LED flashes once every 3 seconds when network registration is
successful. This LED is on constant if the network registration is invalid, if a network signal
is not detected or if a SIM card is not installed in the modem.
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