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10

6012-2001

Connections

Line connections 

(5-pos. screw-terminal)

Direction

No.

Description

Receiver

1

R+

Receiver

2

R–

Transmitter

3

T+

Transmitter

4

T–

5

Shield

Terminal connection (DCE)  

(RS-232-C/V.24/V.28, 25-position D-sub, female)

Direction 1)Pin

CCITT V.24

Description

no.

Circuit number

I

2

103

TD / Transmitted Data

O

3

104

RD / Received Data

I

4

105

RTS / Request to Send

O

5

106

CTS / Clear to Send

O

6

107

DSR / Data Set Ready

7

102

SG / Signal Ground

O

8

109

DCD / Data Carrier Detect

I

11

AUX / Auxiliary

I

19

120

SRS / Secondary Request to Send

I

20

108/2

DTR / Data Terminal Ready

I

25

133

RFR / Ready For Receiving

1)  I = Input

O = Output on MA-12

Summary of Contents for MA-12 AC

Page 1: ...streckenmodem INSTALLATIONSANVISNING INSTALLATION MANUAL INSTALLATIONS ANLEITUNG 6012 2001 www westermo se MA 12 AC MA 12 DC Westermo Teleindustri AB 1999 REV A Galavanic Isolation CE Approved Balance...

Page 2: ...sformer supply Insulation voltage 1500V Overvoltage protection N t Breakdown voltage 440V at 230V AC and 220V at 115V AC Interface 2 Breakdown voltage transmitter 15V and receiver 5 8V Surge capacity...

Page 3: ...9 S1 DTR and RFR ON 1 2 3 4 5 6 7 8 9 S1 DTR and RTS CTS controlled by ON 1 2 3 4 5 6 7 8 9 S1 RTS ON 1 2 3 4 5 6 7 8 9 S1 Always high ON 1 2 3 4 5 6 7 8 9 S1 DCD ON 1 2 3 4 5 6 7 8 9 S1 Factory sett...

Page 4: ...sub female Direction 1 Pin CCITT V 24 Description no Circuit number I 2 103 TD Transmitted Data O 3 104 RD Received Data I 4 105 RTS Request to Send O 5 106 CTS Clear to Send O 6 107 DSR Data Set Rea...

Page 5: ...ons according to MA 12 AC 1 2 3 4 5 1 2 3 POWER 12 36V DC LINE CONNECTION V 24 RS 232 C CONNECTION Transmission range interface 2 Cable Transmission rate bit s 42pF m 600 1200 2400 4800 9600 19200 384...

Page 6: ...n RTS Indicates the carrier control status A good way to check the MA 12 is to carry out a loop back test Connect T to R and T to R Connect the RS 232 port to a terminal When keys are pressed on the t...

Page 7: ...13 6012 2001 OWN COMMENTS...

Page 8: ...ermo Teleindustri AB S 640 40 Stora Sundby Sweden Phone 46 16 612 00 Fax 46 16 611 80 E mail info westermo se Westermo Web site www westermo se Westermo Teleindustri AB have distributors in several co...

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