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Chapter 4 – SocketModem Interfaces

Multi-Tech Systems, Inc. SocketModem CDMA Developer’s Guide 10

Chapter 4 – SocketModem Interfaces

This chapter describes the SocketModem interfaces.

• Flashing LED Interface

• RF Interface

Flashing LED Interface

The flashing LED signal is used to indicate the working mode of the SocketModem.

LED and SocketModem Status

Signal SocketModem Status

OFF Download mode or switched OFF>

Continuously lit Switched ON (not registered on the network) ON

Flashing Switched ON (registered on the network)

RF Interface

The impedance is 50 Ohms nominal.

RF Connector

The RF connector is MMCX standard type. An antenna can be directly connected through the mating

connector or using a small adapter.

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Multitech CDMA Spezifikationen Seite 10