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PK-232 TECHNICAL MANUAL
CHAPTER 4 - HOST MODE AND SPECIAL APPLICATIONS
Paragraph
4.1
Introduction to Host Mode ................................................................. 4-1
4.1.1
Why Do We Need a Host Mode ................................................ 4-1
4.1.2
How does Host Mode Help Us? ................................................ 4-1
4.1.3
Entering Host Mode ................................................................ 4-2
4.1.4
Leaving Host Mode ................................................................. 4-2
4.1.5
The Host Mode Dialog ............................................................. 4-2
4.1.6
Host Mode Recovery ............................................................. 4-3
4.2
Host Computer Commands ................................................................ 4-3
4.2.1
Unsupported Commands ......................................................... 4-4
4.2.2
Host Mode Mnemonic Indicators .............................................. 4-4
4.2.3
CONNECT and DISCONNECT ................................................... 4-5
4.2.4
ON/OFF Booleans or Switches ................................................. 4-5
4.2.5
TXDELAY ............................................................................... 4-5
4.2.6
SENDPAC ............................................................................... 4-5
4.2.7
Interrogation or Query Commands ........................................... 4-5
4.3
PK-232 Responses ............................................................................. 4-5
4.3.1
Responses to Interrogation or Query Commands ....................... 4-6
4.3.2
OPMODE Response ................................................................. 4-7
4.3.3
Link Status Request Response ................................................. 4-7
4.3.4
Call Sign Formats ................................................................... 4-7
4.4
Sending Data to the PK-232 ............................................................... 4-8
4.4.1
Data Polling ........................................................................... 4-8
4.4.2
The HPOLL Command ............................................................. 4-8
4.4.3
Special Case in AMTOR ........................................................... 4-9
4.4.4
Link Messages ........................................................................ 4-9
4.5
Host Mode and Special Packet Applications ......................................... 4-9
4.6
Raw HDLC ........................................................................................ 4-9
4.7
"KISS" TNC Asynchronous Packet Protocol .......................................... 4-10
4.7.1
Starting "KISS" TNC Operation ................................................ 4-11
4.7.2
"KISS" TNC Special Characters ................................................. 4-11
4.7.3
"KISS" TNC Frame Structure .................................................... 4-11
4.7.4
"KISS" TNC Commends ........................................................... 4-11
4.7.4.1
4.7.4.2
4.7.4.3
4.7.4.4
4.7.4.5
4.7.4.6
4.7.4.7
4.8
Maximum Block Size .......................................................................... 4-14
4.9
MEMORY, I/O and ADDRESS Commands ............................................. 4-14
4.9.1
MEMORY Command ................................................................ 4-14
4.9.2
ADDRESS Command ............................................................... 4-14
4.9.3
I/O Command ........................................................................ 4-15
4.10
Converse and Transparent Modes ....................................................... 4-15
4.11
MHEARD Command in Host Mode ....................................................... 4-15
4.12
Software Release Date Code .............................................................. 4-16
4.13
Product Type Code ............................................................................ 4-16
PK232TM Rev. A 5/87
TXDELAY: CTL = $01 .................................................... 4-11
PERSISTENCE: CTL = $02 ............................................ 4-12
SLOTTIME: CTL = $03 .................................................. 4-12
TXTAIL: CTL = $04 ...................................................... 4-12
FULLDUP: CTL = $05 ................................................... 4-13
HOST OFF: CTL = $FF .................................................. 4-13
DATA: CTL = $00 ......................................................... 4-13
TOC-2
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