Page 4 of 101
DWG ID: 181-0101-00A
Date: 2003-09-26
6.1
TALON UDC UHF............................................................................................... 18
6.1.1 General.................................................................................................................. 18
6.1.2 Transmitter............................................................................................................ 18
6.1.3 Receiver ................................................................................................................ 18
6.2
TALON UDC VHF............................................................................................... 19
6.2.1 General.................................................................................................................. 19
6.2.2 Transmitter............................................................................................................ 19
6.2.3 Receiver ................................................................................................................ 20
7
CONNECTOR PINOUTS .................................................................................... 20
7.1
ANT Connector (A1J1)......................................................................................... 20
7.2
Dc Power Connector (A2J6)................................................................................. 20
7.3
Serial I/O Connector (A2J9) ................................................................................. 20
7.4
GPS Receiver Connector (A2W1J1) .................................................................... 21
7.5
Input/Output Connector (A3J1) ............................................................................ 21
7.6
Serial I/O Connector (A3J2) ................................................................................. 23
8
PACKET RADIO ................................................................................................. 23
8.1
Packet Radio Description...................................................................................... 23
8.2
Connected vs. Unproto.......................................................................................... 23
8.3
A Simple Connect ................................................................................................. 24
8.4
Monitoring ............................................................................................................ 25
8.5
Selective Monitoring............................................................................................. 26
8.6
Digipeating............................................................................................................ 26
8.7
Advanced Digipeating .......................................................................................... 27
8.8
Multi-Connects ..................................................................................................... 28
8.9
Timing................................................................................................................... 29
8.10
FRACK (Frame Acknowledgment Time) ............................................................ 29
8.11
Retries in AX.25 Level 2, Version 1 vs. Version 2 .............................................. 30
8.12
Convers Mode vs. Transparent Mode................................................................... 30
8.12.1 Exiting Transparent Mode .................................................................................... 30
8.13
Flow Control ......................................................................................................... 31
8.13.1 Software Flow Control.......................................................................................... 31
8.13.2 Hardware Flow Control ........................................................................................ 31
8.14
Remote Access...................................................................................................... 31
9
PROTOCOL DESCRIPTIONS ............................................................................ 32
9.1
Terminal Mode...................................................................................................... 32
9.2
Host Mode............................................................................................................. 32
9.2.1 Host Mode Description ......................................................................................... 33
9.2.2 Exiting Host mode ................................................................................................ 33
9.3
KISS Mode............................................................................................................ 34
9.3.1 KISS Mode Description........................................................................................ 34
9.3.2 Exiting KISS mode ............................................................................................... 34
9.4
Transparent Unproto Packet (TUP) Mode............................................................ 35
9.4.1 TUP Mode Description ......................................................................................... 35
9.4.2 TUP Mode Operation............................................................................................ 36
9.5
Poll Mode.............................................................................................................. 36
9.5.1 Poll Mode Protocol Description............................................................................ 37
