PacComm TINY-2 - Page 120

TABLE OF CONTENTS
INTRODUCTION
Features
NET/ROM and ROSE Compatibility
COMPUTER INTERFACING
RS-232 Port Signais
Nonstandard RS-232C Serial Ports
Serial Port Operation At TTL Levels
Serial Data Signal Definitions
RS-232C Handshaking Protocol
RADIO INTERFACING
Radio Connector (J2} Pin Definitions
Direct Connection to Microphone and Speaker
Accessory Jack Connection
External Interface Box.
HARDWARE DESCRIPTION
LEDs
Detailed Circuit Description
Modem Disconnect - J5
ADJUSTMENTS
Jumper Functions
JP B: Lithium Battery
JP D: NET/ROM + RFDCD
JP L: Digital Loopback
JP RA: Audio Input Impedance
JP Aux: Auxiliary /O
JP 8: Power Connection
Trimpot/Varicap Adjustments
Baud Rate Setting
Audio Input Level
Transmit Level Setting
Modem Receive Bias Adjustment
Carrier Detect Level
Crystal Oscillator Adjustment
TINY-2/MICRO-2 Technical Ref., 2 Ed © 1989, PacComm, Inc.
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