Led Interface; At Command Reference Guides - Multitech MultiModem MTCBA-G-U-F4 User Manual
Usb wireless modem
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Also See for MultiModem MTCBA-G-U-F4:
- Quick start manual (8 pages) ,
- User manual (51 pages)
Table of Contents
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Chapter 1 – Product Description and Specifications
LED Interface
TD
Transmit Data. Lit when modem is transmitting data.
RD
Receive Data. Lit when modem is receiving data.
CD
Carrier Detect. Lit when data connection has been established.
LS
Line Status.
Continuous "on" state indicates that the wireless modem is not registered on the network.
Flashing state indicates registration on network.
Off state. Modem is off (not ready) or in download mode.
TR
Terminal Ready. Commonly called "Data Terminal Ready." This is a readiness signal from the PC.
PWR
Power. Indicates presence of DC power when lit.
AT Command Reference Guides
AT commands for the GPRS USB wireless modem are published in a separate GPRS AT Commands
Reference Guide. You can find this guide on the Multi-Tech website.
10
Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide
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Table of Contents
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