User's Manual
Table Of Contents
- FH915
- Table of Contents
- Preface
- FCC Class B Compliance
- Canadian Emissions Labeling Requirements
- General Description
- Product Features
- Connection
- Command Line Interface
- Technical Specifications
- Spread Spectrum Radio Usage
- Safety Warnings
- Warranty Terms
Connection
Serial RS-232 connection
16 www.javad.com
C
AUTION
:
Evaluation Kit provides reverse polarity protection only in voltages range, specified for particular
FH915.
3.4. Serial RS-232 connection
A standard Null-Modem cable (included in Kit) with DB-9 Female connectors on both ends may be used
to connect PC COM_X port with Serial port on adapter.
Adapter’s DB-9 male connector external view and pinout is shown on the Figure 3-2.
Figure 3-2. DB-9 Male connector
Table 3-1. DB-9 Male Connector Specification
Please, refer to particular external device Serial port specification to select and use right Serial cable for
proper connection.
Pin Signal Name Dir Description
1 - - Not used
2 RXD I Receive Data
3 TXD O Transmit Data
4 DTR O Data Terminal Ready
5 GND - Signal Ground
6 DSR I Data Set Ready
7 RTS O Request To Send
8 CTS I Clear To Send
9 - - Not used