MultiModem MTCBA-C Guide de l'utilisateur télécharger pdf (Page 10)

Chapter 1 - Description and Specifications

Multi-Tech Systems, Inc. MultiModem CDMA User Guide 10

RS232 15-Pin Connector Pinout

PIN EIA CCIT Designation

1 DCD 109 Data Carrier Direct

6 RX 104 Receive Data (out)

2 TX 103 Transmit Data

8 DTR 108.2 Data Terminal Ready

9 GND Signal Ground

7 DSR 107 Data Set Ready

12 RTS 105 Request to Send

11 CTS 106 Clear to Send

RS 232

13 RI 125 Ring Indicator

4 MICROPHONE

(+)

5 MICROPHONE (-)

10 SPEAKER (+)

Audio

15 SPEAKER (-)

Reset 14 RESET To reset, connect to GND

momentarily. Open for

normal operation.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 23 24

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MultiModem MTCBA-C Guide de l'utilisateur Page 10