Intuicom Communicator
TM
User Manual
Revision A © 2001 Intuicom, Inc.
47
September 2001
14 DGRO Small Footprint Series Pinout
The DGRO Small Footprint Series transceivers are available in both TTL and RS232 versions.
The TTL versions use reverse polarity from standard RS-232 at 0 to 5 Volt levels. All pin
descriptions and pin numbering are the same as the RS232 version. The RS232 versions use
standard RS232 polarity and voltage levels for all of the RS232 signal lines (DTR, Transmit
Data, Receive Data, Carrier Detect, RTS, and Clear to Send) and TTL standard polarity and
voltage level for the Interrupt pin.
Pin 1: B+ Power input.
Pin 2: Interrupt (INT) – Input – A 0 volt level on this pin will switch the radio into setup mode.
Pin
Assignment
1 B+
input
2
Interrupt (Ground to invoke menu)
3 DTR
4 Ground
5 Transmit
Data
6 Ground
7 Receive
Data
8 Carrier
Detect
9 RTS
10
Clear to Send
Table 14-1: DGRO Series Pinout
Note:
Pin 1 on the DGRO9 and DGR24 board level transceiver is the pin farthest from the three
LEDs and pin 10 is closest to the LEDs.
