
Micro-CAPP®RTS Quickstart Page
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©2002 -2008 DCI Technologies Inc. www.dcitech.com
Micro-CAPP RTS Connector Pin Functions
Notation:
Output - Refers to an RS-232 Output
Input - Refers to an RS-232 Input
N/C - Indicates pin not connected
Host Port, DCE 9 Pin Female Connector
Pin Name Direction Function
1 DCD Output Direct to Pin 1 of Radio Port
2 RXD Output Direct to Pin 2 of Radio Port
3 TXD Input Data given to the Micro-CAPP to be passed on the Radio Port
4 DTR Input N/C
5 GND Electrical Common
6 DSR Output N/C
7 RTS Input Ignored
8 CTS Output Ignored
9 RI Output N/C
Radio Port, DTE 9 Pin Male Connector
Pin Name Direction Function
1 DCD Input Carrier Detect Signal from Radio Indicating Channel is Busy
2 RXD Input Data Received from the Radio
3 TXD Output Data sent from the Micro-CAPP to the Radio to be Transmitted
4 DTR Output Ignored
5 GND Electrical Common
6 DSR Input Ignored
7 RTS Output Used as a Begin Transmission Signal
8 CTS Input Used for flow control via RTS handshaking
9 RI Input Ignored
Micro-CAPP®RTS DIP Switch Settings
1 2 3 4
8 Bit
Data
9 Bit
Data
No TX
on CD
Ignore
CD
19200
9600
4800
1200
19.2K bps, 8 Bit Data
No Transmit When Carrier is Detected
9.6K bps, 8 Bit Data
No Transmit When Carrier is Detected
4.8K bps, 8 Bit Data
No Transmit When Carrier is Detected
1.2K bps, 8 Bit Data
No Transmit When Carrier is Detected
1 2 3 4
1 2 3 4
19.2K bps, 9 Bit Data
Ignore Carrier Detect
9.6K bps, 8 Bit Data
Ignore Carrier Detect
4.8K bps, 8 Bit Data
Ignore Carrier Detect
1.2K bps, 9 Bit Data
No Transmit When Carrier is Detected
DIP Switch Functions
Indicates Lever is UP towards LED’s when viewed from
the side with the male DB 9 connector to your left
Indicates Lever is DOWN away from LED’s when viewed
from the side with the male DB 9 connector to your left