4 pin assignment of the serial interface – VEGA MoRoS Modem - ISDN 1.3 User Manual

Page 17

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MoRoS Modem - ISDN 1.3

Connections

17

Figure 4: Connections on the bottom of the device

Terminal Description

Description

17

RS 485B

Reserved for future applications

18

RS 485A

Reserved for future applications

19

GND

Ground

20

Input 2

Input 2

21

Input 1

Input 1

22

GND

Ground

23

Reset

Reset input

24

GND

Ground

25

10 ... 60VDC

Power supply 10 V – 60 V DC

26

GND

Ground

Table 10: Description of the connections on the bottom of the device

6.4

Pin Assignment of the Serial Interface

Figure 5: 9-pin sub-D jack at the device

Pin

Signal

Description

1

DCD

Data Carrier Detect

2

RXD

Receive Data

3

TXD

Transmit Data

4

DTR

Data Terminal Ready

5

GND

Ground

6

DSR

Data set ready

7

RTS

Request to send

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