Multi-tech-systems MTCBA-G-UF1 Manuel d'utilisateur télécharger pdf (Page 12)

Chapter 1 – Description & Specifications

Multi-Tech Systems, Inc. MultiModem® GPRS with USB User Guide 12

LED Indicators

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.

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Multi-tech-systems MTCBA-G-UF1 Manuel d'utilisateur Page 12