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HDVI5 Component Video Switch
3
HDVI5 Component Video Switch
K.I.S.S.™ (Keep It Simple Serial!™)
Zektor ’s exclusive K .I.S.S.™ (Keep I t Simple Serial™) protocol was de -
signed by engineers who have been controlling RS-232 devices for
most of their careers and understand the pitfalls of a badly designed
protocol.
A few features of the K.I.S.S.™ protocol are:
A simple and logically consistent command structure.
Fully bi- directional operations and can be operated in both
a Master/Slave mode (only responds when spoken to), or
in an Asynchronous mode (state changes are sent as they
occur).
All commands and responses can optionally use a checksum
or a CRC-8 checkcode to insure reliable communications.
A command will always generate a response! There are no
“timeout ” states as par t of the protocol. A timeout will al-
ways indicate some type of physical connection error (loose
cable, extreme noise, etc.).
Commands and responses have been designed for simple
parsing in any language.
Easy to test using a terminal, or terminal emulation soft-
ware. (Hyper term, SecureCRT, etc.)
A few features of the HDVI5 command set are:
A full featured command set that goes far beyond simple
front panel control operations! Allows full control over
all
features of the HDVI5.
All front panel functions suppor ted.
Full notification of state changes.
The ability to disable the front panel, and still have front
panel button presses sent to the serial por t.
High resolution control over all timing settings.
The ability to read all IR codes sent to the HDVI5 by any re -
mote, even those not used by the HDVI5. Use the HDVI5 to
add IR control to any project!
Many more features, too numerous to list here...
For a full description of K .I.S.S.™ and a list of the commands sup -
por ted by the HDVI5, download the HDVI5 supplemental manual at:
www.zektor.com/HDVI5/downloads.htm
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The RS-232 on the HDVI5 is the same format as a PC-modem, and
uses the same type cable as a serial modem would, which is a stan-
dard straight through cable. Do not use a cable that is marked as a
“Null Modem” cable.
The HDVI5 can also be used with any USB to RS-232 conversion
cable, these are all typically straight through cables.
The RS-232 por t is a female type DE- connector (sometimes mistak-
enly referred to as a DB- connector) with the following pinout:
5 4 3 2 1
9 8 7 6
Pin definitions:
1 - No Connect
6 - No Connect
2 - TX
7 - No Connect
3 - RX
8 - No Connect
4 - No Connect
9 - No Connect
5 - GND
The por t settings used by the HDVI5 are:
Baudrate:
9600
Data Bits:
8
Stop Bits:
1
Parity:
NONE
The communications protocol used is Zektor ’s exclusive K .I.S.S.™
(Keep I t Simple Serial™) protocol.
RS-232 Port
