User's Manual

CHAPTER 1 INTRODUCTION
ALR-9900 HARDWARE SETUP GUIDE
DOC. CONTROL #8102086-000 REV A
7
RS-232 Port Pinouts
RS-232 Connector (Female DB-9F)
Pin 1 DCD Connected to Pin 6
Pin 2 TR1 Transmit Data (Output)
Pin 3 RC1 Receive Data (Input)
Pin 4 DTR Connected to Pin 6
Pin 5 Ground
Pin 6 DSR Connected to Pin 4
Pin 7 RTS Connected to Pin 8
Pin 8 CTS Connected to Pin 7
Pin 9 Not Connected
RS-232
CONNECTOR (FEMALE) – LOOKING AT READER
System Architecture
Antenna
Switch
RF
Modulator
RF
Receiver
RF Source
Digital
Control
Circuitry
Host
Communication
Interface
A0
A1
A2
A3
Figure 3 - System Architecture for the ALR-9900 Reader
5 4 3 2 1
9 8 7 6