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SATELLINE-3AS NMS / NMS Epic / NMS 869 / VHF

User Guide, Version 1.0

4.3

D15 connector

Table 4.2.

NMS 15-PIN FEMALE D CONNECTOR PINOUT

• DTE is an abbreviation for Data Terminal Equipment

• I/O column below denotes the direction of the signal:

"IN" is from DTE to the radio modem, "OUT"

is from the radio modem to the DTE.

PIN NAME I/O LEVEL EXPLANATION

DTR

IN 0..30V Data Terminal Ready. The pin can be used to wake-up the radio

module from the standby mode. >+2 VDC = ON,

Not connected = ON, <+0.6 VDC = STANDBY

Pin 2 has alternative functions depending on the

Port2

configuration, see below.

OUT RS-232 Carrier Detect (if

Port2

selection is RS-232)

A’

OUT RS-422

Port2

Receive Data positive (if

Port2

selection is RS-422)

IN/OUT RS-485

Port2

Data positive.

Note

**) (if

Port2

selection is RS-485)

Pin 3 has alternative functions depending on the

Port2

configuration, see below.

RD2

OUT RS-232

Port2

Receive Data (if

Port2

selection is RS-232)

B’

OUT RS-422

Port2

Receive Data negative (if

Port2

selection is RS-422)

IN/OUT RS-485

Port2

Data negative.

Note

**) (if

Port2

selection is RS-485)

Pin 4 has alternative functions depending on the configuration, see below.

TD2

IN RS-232

Port2

Transmit Data (if

Port2

selection is RS-232)

IN RS-422

Port2

Transmit Data positive (if

Port2

selection is RS-422)

Pin 5 has alternative functions depending on the hardware assembly, see below.

IN RS-422

Port2

Transmit data negative (default hardware)

RSSI

OUT 0..5V Analogue RSSI (requires the special hardware assembly, needs to

be defined in order sheet!)

CTS

OUT RS-232 Clear To Send. This signal indicates that the radio modem serial

interface is ready to receive data from DTE.

Note

7, 8

GND

- Operating voltage and Signal Ground

RD1

OUT RS-232

Port1

Receive Data to DTE from the radio modem

DSR

OUT RS-232 Data Set Ready. Indicates that the radio modem is ON.

TD1

IN RS-232

Port1

Transmit Data from DTE to the radio modem.

MODE

IN 0..30V <2VDC or connected to ground =

Programming Mode

>3VDC or Not connected =

Data Transfer Mode

Note

***)

RTS

IN RS-232 Request To Send from DTE.

Note

14,

- See

spec.

sheets

Operating Voltage.

+10.8...30 VDC for 3AS(d) NMS Epic

+8...30 VDC for 3AS(d) NMS, NMS 869, VHF

Note!

Unused pins can be left unconnected.

Note

*) RTS and CTS signals apply to the Data port-either

Port1

Port2

depending on the configuration.

Note

**) A and B designators are opposite in Profibus standard.

Note

***)

Programming Mode

is for changing the settings of the radio modem via

Programming menu

Normally the MODE line is NOT connected i.e. the radio modem is in

Data Transfer Mode

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