Satel SATELLINE-M3-R3 Betriebsanweisung PDF herunterladen (Seite 10)

SATELLINE-M3-R3

User Guide, Version 1.2

Pin numbering of 1.27 mm pitch DTE connector. View from top side of unit

1.4 Pin order of the DTE connector

Direction IN is data from DTE (Data Terminal Equipment) to the radio modem.

Direction OUT is data from the radio modem to the DTE.

Pin No.

Signal name

Type/Direction

Description

1,2

VCC_IN

POWER/IN

4.0V DC input

3,4

GND

GND/-

Ground reference for power and signals

VCC_IO

POWER/IN

EXTERNAL Voltage= 1.8V….3.3V IO POWER.

“1” LEVEL FOR CMOS IO

INTERNAL Voltage= not connected

ENA_MOD

IO/IN

>1,2V= Modem power is ON,

<0.2V= Modem power is OFF

RD1

CMOS/OUT

Port 1 - Receive data.

Data received by module is output on this pin.

CTS1

CMOS/OUT

Port 1 - Clear To Send.

Modem signals when it is ready to receive data.

TD1

CMOS/IN

Port 1 - Transmit Data.

Data from DTE to module shall be sent on this

pin.

RTS1

CMOS/IN

Port 1 - Ready to send.

DTE can use this pin to signal when it is ready to

receive data from module.

RD2

CMOS/OUT

Option for second serial port, not implemented

CTS2

CMOS/OUT

TD2

CMOS/IN

RTS2

CMOS/IN

STAT

CMOS/OUT

Status signal. “1” when device is OK and

working normally. Various toggle sequences for

other state indications. See separate section of

manual. Can drive LED directly.

GPIO9

CMOS/BIDIR

GPIO – not used

SERVICE

Input for service access. Internally pulled high.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 26 27

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