Rs232 15-Pin Connector Pinout; At Command Information - Multitech MTCBA-C-N1 User Manual

RS232 15-Pin Connector Pinout

PIN
1
RS-232
6
2
8
9
7
12
11
13
Audio 4
5
10
15
Boot 3
Reset 14

AT Command Information

AT commands for the CDMA wireless modem are published in a separate Reference Guide included on the
MultiModem CD and posted on the Multi-Tech web site.
IP commands for CDMA modems are also published in a separate Reference Guide included on the MultiModem
CD and posted on the Multi-Tech web site.
Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide
5
10
1 5
EIA CCIT
DCD 109
RX 104
TX 103
DTR 108.2
GND
DSR 107
RTS 105
CTS 106
RI 125
MICROPHONE (+)
MICROPHONE (-)
SPEAKER (+)
SPEAKER (-)
BOOT
RESET
Chapter 1 – Product Description and Specifications
1
6
11
Designation
Data Carrier Direct
Receive Data (out)
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
For factory use only.
To reset, connect to GND momentarily (typical:
20mSec). Open for normal operation.
10