Multi-Tech Systems Mtcba-e ユーザーズマニュアル

Chapter 1 – Product Description and Specifications 

Multi-Tech Systems, Inc. MultiModem EDGE Wireless Modem User Guide 

9 

 

10

11

6

1

5

1 5

RS-232 

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 

 

13 RI 

125 

Ring 

Indicator 

Audio 4 

MICROPHONE 

(+) 

 

 

 5 

MICROPHONE 

(-) 

 

 

10 SPEAKER 

(+)   

 

 

15 SPEAKER 

(-)   

 

Boot 

3 

BOOT 

 

For factory use only. 

Reset 14 

RESET 

 

To 

reset, 

connect to GND for minimum 

of 20msec.  Open for normal operation. 

 

AT commands for the EDGE wireless modem are published in a separate EDGE AT Commands Reference 
Guide included on the MultiModem CD and posted on the Multi-Tech web site.