The lightning flash with arrowhead
symbol within an equilateral triangle is
intended to alert the user to the pres
ence of uninsulated “dangerous voltage” within the product’s enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock to
persons. Read these instructions.
The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important
operating and maintenance (servic
ing) instructions in the literature
accompanying the product.
1.Read these instructions.
2.Keep these instructions.
3.Heed all warnings.
4.Follow all instructions.
5.Do not use this apparatus near water.
6.Clean only with dry cloth.
7.Do not block any ventilation openings. Install in
accordance with the manufacturer's instructions.
8.Do not install near any heat sources such as
radiators, heat registers, stoves, or other appara
tus (including amplifiers) that produce heat.
9.Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has two
blades with one wider than the other. A ground
ing type plug has two blades and a third grounding prong. The wide blade or the third prong are
provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician
for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or
pinched particularly at plugs, convenience recep
tacles, and the point where they exit from the
apparatus.
11.Only use attachments/accessories specified by
the manufacturer.
12.Unplug this apparatus during lightning storms or
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when unused for long periods of time unless
plugged into a UL rated battery backup and/or
surge protection device.
13.Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power-sup
ply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or mois
ture, does not operate normally, or has been
dropped.
WARNING: To Reduce The Risk Of Fire Or Electric
Shock, Do Not Expose This Apparatus To Rain Or
Moisture!
This apparatus shall not be exposed to dripping or
splashing and no objects filled with liquids, such as
vases shall be placed on the apparatus.
Note: This equipment has been tested and found to
comply with the limits for a Class B digital device, pur
suant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio fre
quency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a par
ticular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interfer
ence by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment
and receiver.
•Connect the equipment into an outlet on a circuit
different from that to which the receiver is con
nected.
•Consult the dealer or an experienced radio/TV
technician for help.
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Switch User Guide, Version 0.16, 5/13/16
3
Version History
Version History
Version 0.11 12-03-2015
•Added a better description of how to switch into the XIO mode to the SZ, DSZ, and HSZ command definitions.
Version 0.1012-01-2015
•Added a “Paging Overview” section.
•Added a wiring diagram and description of using the back panel paging triggers.
•Added a description of the ‘pDSW’ command.
Version 0.909-29-2015
•Added “Bit-12” to the SS and FS commands to save and reset paging parameters.
Version 0.808-19-2015
•Fixed source descriptions in the DSZ command.
•Fixed the description of the ‘pTIME’ command.
•Fixed some typos.
Version 0.705-26-2015
•Added paging description.
•Added XIO flag (Extended I/O) in the ‘XS’ command.
•Changed the numbering to reflect the Extended I/O values.
Thank you for your purchase of the HDMI Matrix and/or Audio switch.
Every care has been taken to assure you of a successful installation and the subsequent operation of
your new Switch video switch, however should something go wrong, and warranty repair work is
needed, we request that you hold on to the original packaging materials.
Please take this time to verify the contents of the Switch box.
The following should be included:
•HDMI Matrix and/or Audio Switch
•Power Cord
•USB Drive
•Quick Start User Guide
If anything is missing please get in touch with us as soon as possible so that we can correct the sit-
uation.
What’s Inside
What’s Inside
Features
•Serial, TCP/IP control.
•All discrete codes available including on, off, and codes for mapping any source to any output.
•Made in U.S.A.
•Three year warranty.
Switch User Guide, Version 0.16, 5/13/16
9
Front Panel Controls
Status {Setup} HdmiSw
Power, IP, etc.
SELECT
MENUZONE
SETTING
NEXTBACK
Key definitions:
MENU - Pressing this button will bring you back to the main menu.
Overview
Overview
ZONE - Anytime a zone is being displayed, these buttons provide a shortcut to switch quickly
between zones.
SETTING - Provide shortcuts to changing a setting. These buttons change their function, depending
upon the screen selected. For instance when one of the source/zone switching display is being
used, these buttons will allow switching between the sources.
BACK and NEXT - Screen dependent buttons.
SELECT - This is a multifunction button. Twisting the knob allows scrolling between menu
options, or the changing of a parameter, depending upon the current selection state.
Pressing the SELECT knob will either select a menu option, or toggle between the select-mode, and
the update-mode.
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Rear Panel Connections to the Switch
Back panel connections defined
IN-1 through IN-6 -- HDMI sources.
OUT-1 through OUT-4:
•IR-IN -- These inputs are used to send IR to the HDBaseT receivers. An IR controller can plug
directly into these inputs. They are a mono-jacks, polarity insensitive (it doesn’t matter how
you connect the two wires to the tip and sleeve of the connector), and they accept any voltage
between 3.5V and 15V. This input is for controllers only. You cannot use a standard IR
receiver, it won’t hurt anything, it just won’t work.
•IR-OUT These outputs are the return IR channels from the HDBaseT. They will drive a controller or a standard 5V IR emitter/flasher. These outputs use a mono jack. The sleeve is
ground and the tip is +5V.
•HDBaseT -- These are the HDBaseT outputs and will drive up to 330ft of Cat5/6 cable to the
HDBaseT receivers. Power is also sent over the Cat5/6 cable and the HDBaseT receiver does
not need a separate power supply.
•Local Out -- These are local HDMI outputs. They are not mirrored outputs, plugging in an
HDMI monitor to one of these outputs will disable the HDBaseT receiver.
•RS-232 -- These allow two way RS-232 signals to be sent to the HDBaseT receiver. These are
straight through connections. They are the same pinout as the main RS-232 control port . The
baudrates can be up to 115K.
Overview
•Ethernet -- Each HDBaseT can have an Ethernet channel sent to it. These are 100Mbs full
duplex channels. There are no internal connections between the outputs, to send the Ethernet
down all 8 zones, you will need some type of 8 port Ethernet switch.
RS-232, TCP/IP -- The switch’s control ports.
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11
Using the Menu System
Use the SELECT knob to scroll to a menu option. Press the knob to select the option.
Most menu options are self explanatory. As you scroll through menu options, the bottom line of the
display shows a short description of each option’s function.
For instance to turn off the Switch:
•Scroll to SETUP, press SELECT
•Scroll to OFF, press SELECT
The switch will turn off.
Through out the manual the above sequence would be shortened to: Setup > Off
Pressing the SELECT knob performs two functions. The first is to select a menu option as shown by the
OFF example given above. The second is to switch between the selection-mode, and the update-mode.
The selection-mode is indicated by the left/right arrow characters {}. Whenever the {} are displayed,
twisting the knob to the right (CW), will select the option to the right of the current option. Twisting to
the left (CCW) will select the option to the left.
Using the Front Panel
Using the Front Panel
The update-mode is indicated by the bracket characters []. Whenever the [] are displayed, twisting the
knob will change the parameter inside the brackets.
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Mapping an input to an output zone
To map any source (input) to any zone (output):
If the LCD display is not at showing the main menu press the MENU button.
Using the Front Panel
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13
Using the Front Panel
Use the SELECT knob to scroll to the zone you wish to change. The zones are numbered on the top
line. In the above example we’re updating the source of zone 1.
Press the SELECT knob to switch from the selection-mode to the update-mode. The cursor will
change from the left and right arrow characters to the bracket characters to indicate that we are
now in the update-mode.
Use the SELECT knob to change to the desired source. Press the SELECT knob to use the new
source. The switch will switch the given zone to the new source, and the mode will change back to
the selection-mode.
Zone ‘A’ represents the “ALL” zone. Setting zone ‘A’ to a source will set all the zones to the given
source.
Setting a source to ‘0’, disconnects it from all sources (no audio, blanked video).
Shortcuts:
The ZONE buttons will move between the zones and set the update-mode, to allow easy use of the
SELECT knob to update the sources.
The SETTING buttons will increment/decrement through the sources and set the select-mode, to
allow easy use of the SELECT knob to scroll through the zones.
Anytime the main menu is being displayed, you can quickl y jump to the HdmiSw screen by pressing either of the ZONE buttons.
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Changing the IP Address
IP Mode: [STATIC] OK
Addr: 192.168.001.200
SELECT
MENUZONE
SETTING
NEXTBACK
By default the switch uses DHCP to acquire an IP address, to change this to static:
If the LCD display is not at showing the main menu press the MENU button.
Use the SELECT knob to select the “IP Setup” option: Setup > IPSetup
Press the SELECT knob to select the DHCP setting, then use the knob to change this to STATIC.
Press the SELECT knob again to switch to the static mode.
Using the Front Panel
Use the SELECT knob to scroll to the [Addr:] option, press the SELECT to enter the update-mode.
The SELECT knob can now be used to scroll between the [Addr:], [Mask:] and [Gate:] options,
allowing you to change the static IP address, the IP mask and the IP gateway parameters.
To change any of the parameters, select the parameter you want to change (address, mask, or gate-
way), and press the SELECT knob. Scroll to the octect you want to change, select it, and change it.
Hint: The selection knob uses acceleration to allow faster updating of values. To make large
changes in the values, spin the knob quickly. For precise changes, spin the knob slowly.
The IP address changes are not made until you scroll to [OK], and select it. You can ignore any of
the changes you’ve made by pressing the MENU button before selecting [OK].
Once you select [OK], the IP address changes will be made and they will be saved in EEPROM so
that they will be retained through a power failure.
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Adjusting HDCP key counts
SRC: 01 02 03 04 05 06
KEYS:[03]00 00 00 00 00
SELECT
MENUZONE
SETTING
NEXTBACK
Normally these settings can just be left alone, but if you run into a source that does not have enough
HDCP keys to distribute to all your zones, you can use this menu to compensate. When the number of
HDCP keys is set to 0, this indicates the “Normal” mode of operation. The switch will simply let the
source issue keys as needed.
To determine if you have an HDCP problem, refer to the section: “HDCP Keys” on page 20.
To adjust the number of keys used by a source:
Using the Front Panel
If the LCD display is not at showing the main menu press the MENU button.
Use the SELECT knob to select the “HDCP key counts” option: Setup > HDCP
Use the SELECT knob to scroll to the problem zone, then set the number of keys the source makes
available.
If you don’t know the number of keys, just set it to 1.
Once all changes are made, pressing the MENU button will cause them to go into effect.
When the number of HDCP keys is set to a value less than the number of monitors, the switch still
needs to authenticate the source to each monitor. Since there are more monitors than keys, this must be
done using smaller groups of keys.
If the source is capable of issuing 3 keys, then the switch will authenticate 3 monitors at a time. So the
only real effect of indicating that a source has only 1 keys, is that the authentication will take longer.
Once the authentication is done, the keys will be cached. Once the keys are cached the switch will
operate at full switching speeds with no flickering. However if anything is changed (a new source or
monitor plugged in, or removed) everything will need to be re-authenticated. So using a low key count
will cause longer delays each time a new device is attached or removed from the switch. But once the
authentication is done, switching will return to full speed.
Note: All these changes will be lost when power is turned off, unless they are backed up into
EEPROM!
Once all HDCP settings have been set, and verified using the verification process (See: “Validating
the installation” on page 24), you should save the HDMI settings into EEPROM, to prevent them from being lost at the next power cycle. (See: “Saving the EDID/HDCP settings” on page 19)
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Assigning Zones to Source EDIDs
Src: 1 SET
Zone: o1{o2}o3 o4 o5 o6
SELECT
MENUZONE
SETTING
NEXTBACK
By default an EDID that uses the lowest common features of all zones is given to each source. This
screen allows you to override the EDID of an individual source by combing the EDIDs of all the
assigned zones, and using it as the new EDID of the source.
For more information on EDID settings refer to the section: “EDID” on page 20.
To assign zones to a source:
Using the Front Panel
If the LCD display is not at showing the main menu press the MENU button.
Use the SELECT knob to select the “Assign EDID zones” option: Setup > ESet
Use the ZONE buttons to switch between sources.
Use the SELECT knob to scroll to a zone, and the press the SELECT to assign or unassigned a zone.
A zone is assigned when the small square to the left of the zone number is filled in.
A source that has no zones assigned is the same as a source that has all of it’s zones assigned, in
both cases the default EDID is used for that source.
Once all changes are made, pressing the MENU, or either of the ZONE buttons, or scrolling to the
SET option will cause the new EDID to be sent to the source.
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17
Locking the EDID settings
EDID: Unlocked
{Unlock} Lock Cancel
SELECT
MENUZONE
SETTING
NEXTBACK
Locking the EDID will prevent EDID changes from registering with the switch. When the EDID is
locked, all changes to the sources and zones will be ignored.
Audio Vi deo Receivers can sometimes change their EDID settings when power is cycled.
When an A/V receiver is on, it will supply its own EDID indicating what type of audio it can play and
what kind of video it can display, or pass through to a monitor. When the receiver’s power is turned
off, some receivers can act like they’ve been unplugged (removing the EDID completely), others will
pass the EDID of the monitor attached to its output. To the switch, either of these occurrences is indis
tinguishable from a zone that’s either had the receiver unplugged, or replaced by a monitor.
Using the Front Panel
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Anytime a zone’s EDID changes, the zone must be authenticated with the attached sources. The
authentication process will cause the zones to blank as the EDID keys are read, and the HDCP keys are
negotiated.
T o prevent display blanking each time a receiver is turn on or off, the EDID settings should be locked.
Once locked, all EDID settings will be ignored, and displays will not flicker when an A/V receiver is
powered cycled.
Note: When the EDID settings are locked, any EDID changes will be ignored, this includes the addition of any new equipment. If any equipment is to be added or removed from the current setup, you
must first unlock the EDID settings, or the changes will not be registered.
The A/V receivers should be in their powered on state when the EDID is locked. Before locking, you
should verify the installation (See:
EDIDs and HDCP keys to be cached. Once this is done you can lock the EDID settings.
To lock/unlock the EDID settings:
If the LCD display is not at showing the main menu press the MENU button.
Use the SELECT knob to select the “EDID Lock” option: Setup > ELock
Use the EDID Lock menu to either verify the current settings, or to lock or unlock the EDID set-
tings.
Note: After locking the EDID settings you should save all EDID/HDCP settings so that they will be
retained after a power cycle (See:
not saved they will be lost the next time the switch is powered off.
“Validating the installation” on page 24), this will cause all
“Saving the EDID/HDCP settings” on page 19). If the settings are
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Saving the EDID/HDCP settings
Each time the Switch is power on, it must read the EDIDs of each zone, and negotiate the HDCP keys
between sources and zones. Once these EDIDs are read and the HDCP keys negotiated, they will be
cached until the next time the switch is powered down.
When viewing a source on one zone, and another zone is switched to the same source, the HDCP keys
must be read and negotiated with the new zone. To do this, the HDCP protocol requires the video to be
blank while the new encryption keys are shared. This will cause video blanking and flickering on mon
itors sharing the same source.
Once the EDIDs and HDCP keys are read, the will be cached by the Switch. When a zone, that has previously been authenticated with a source are connected, the keys will not be read from the source, but
instead from the cache, and any shared monitors will not flicker.
When the switch is powered off, all the EDIDs and HDCP caches will be lost. To prevent this, the values can be saved in internal EEPROM and read back in each time the switch is powered on. This will
prevent the initial flickering after powering on.
The following settings are saved in the internal memory:
•All EDIDs currently read into cache.
•All HDCP keys currently read into cache.
•The HDCP count settings.
Using the Front Panel
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•The EDID lock setting.
To save the EDID/HDCP settings:
If the LCD display is not at showing the main menu press the MENU button.
Use the SELECT knob to select the “EDID Save” option: Setup > ESave
The settings will be saved when you select the ESave menu selection.
If you add or removing any equipment from the switch, you should re-save the EDID/HDCP settings.
It’s best to make sure all EDIDs and HDCP keys have been read before saving the EDID settings, this
is done using the installation verification procedure, See:
Clearing the EDID/HDCP settings
Each time the switch is powered on, the previously saved EDID and HDCP key settings will be read,
and used as the starting point.
If you make changes to the switch’s configuration, the saved EDID and HDCP key settings will no longer match the connected equipment.
If the switch is to be used in a different location, or a new project (all the equipment and connections
are going to change) you should clear all the saved EDID and HDCP settings to keep from wasting
cache on EDID and HDCP keys that are no longer part of the project.
To clear the EDID/HDCP settings:
If the LCD display is not at showing the main menu press the MENU button.
“Validating the installation” on page 24.
Use the SELECT knob to select the “EDID Clear” option: Setup > EClear
Use the EClear menu to clear the EDID and HDCP keys and settings.
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Functional Overview
The HDMI Switch Overview
HDMI has many issues associated with its distribution. It was originally designed to connect a DVD
player to a TV, with a few tweaks to the specification to allow for limited distribution.
HDCP Keys
HDMI allows for encrypted audio/video streams to be sent over the HDMI cables. To do this, each
receiving TV or monitor must be issued its own decryption key. This forces each HDMI cable to send
a different stream of encrypted data, even if it’s the same program being sent to two different monitors.
This prevents a simple splitter from working, since a simple splitter would send the same stream to two
different monitors.
This also allows the source (DVD player, Cable Box, etc) to determine the number of simultaneous
monitors allowed to view it’s content. Some cable box manufacturers only supplied a single HDCP
key, while some Blu-ray players supplied a very limit number (like 3). Even today there are manufac
turers that limit the number of HDCP keys, in their Blu-ray players to 9.
Using The Switch
Using The Switch
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To work around this problem, the Switch will cache keys from sources and generate keys when
needed, to supply up to 24 HDCP keys.
When a source runs out of HDCP keys (there are more monitors attempting to view a source than there
are keys), it can do a number of undefined things. Video can go blank, or it can flash on and off, or in
some cases the source could even lock up and need to be power cycled.
If you suspect an HDCP problem, you can verify this by:
•Turning off the Switch
•Turn off all TVs and monitors connected to the Switch
•Turn on the Switch and set all zones to point to the source with the suspected HDCP problem.
•Now start turning on zones. If the disp lay starts flickering o r blanking after you tu rn on a zone,
then the source most likely has one less HDCP key that the number of zones you have turned
on.
•To remedy the HDCP problems, see the section on setting the number of HDCP keys. (See: “Adjusting HDCP key counts” on page 16).
For the most part there are fewer and fewer HDCP key issues with the newer HDMI products, and usually nothing needs to be done for the switch to work out of the box.
EDID
EDID is simple in concept. Each monitor or receiver contains a small data block that indicates what the
monitor’s or receiver’s capabilities are. When a source connects to a monitor, the monitor’s EDID is
read, and using this information, the source adjusts its output to match the capabilities of the monitor.
If a monitor can display 1080p and the source can output 1080p, then 1080p will be used. The same is
true for audio formats. The EDID will contain multiple resolutions that the monitor can display, and if
it can decode multiple audio formats, these formats will also be included in the EDID. The source will
compare the capabilities of the monitor, and it’s own capabilities, and choose the best video and audio
solution to send over the HDMI link.
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Using The Switch
This works well when a single source is connected to a single monitor. A matrix switch complicates
this a bit. What happens when two monitors are connected to the same source? Which EDID is used to
indicate what the monitors are capable of displaying? What if the monitors have different capabilities?
Traditionally this has been handle in a number of different ways. Some switches will use predefined
EDIDs that forces certain modes, like 1080p, 1080i or 720p and Dolby5.1 or PCM stereo audio, and
then assume all monitors can handle this.
Other solutions involve reading a single monitor's EDID and sending it all sources. Or a pass through
mode, where and single EDID is sent to a single source (in some switches this will prevent the viewing
of this source by any other zones).
Our solution is to allow any combination of EDIDs to be combined and sent to any source. This allows
the flexibility of setting a source EDID to the capabilities of any single monitor / receiver, or any com
bination of monitors / receivers. Each source can be sent a different combination of zone EDIDs. The
EDIDs sent to the source, are not switching order dependent, and since the EDIDs are based on zone
EDIDs, they are always valid.
By default, all the EDIDs of all zones (monitors and receivers) are read, and the lowest common features of all the zones are combined into a single EDID, that is sent to all the sources. For instance, if all
the zones can receive Dolby5.1 audio, then the EDID will indicate that Dolby5.1 can be sent. If how
ever even a single TV can only decode PCM stereo, the combined EDID will indicate to the all the
sources that only PCM stereo can be sent to any zone.
You can now use the ESet screen to combine the EDIDs of similar devices and send the combined
EDID to a source that will be associated with the devices. For instance all receivers can be combined
and sent to a Blu-ray or Cable box that will be used mostly for those receivers. This allows you to
enable Dolby5.1, or Dolby TrueHD, or any other features the receivers are capable of decoding.
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Here are some common examples:
Scenario 1
You have a dedicated Blu-ray player to be used by a single hometheater receiver. You would use the
ESet screen to set the EDID of the Blu-ray’s source to include only the zone of the hometheater
receiver. In this case, the EDID of the hometheater will be sent directly to the Blu-ray player and all
audio modes of the hometheater receiver will be available to the Blu-ray player. This will not prevent
any other zones from switching to the Blu-ray player, but there can be issues if another zone does not
support the same audio formats that the hometheater does. Leave all the other EDIDs to their default
values, and all other sources will be viewable by all zones.
Scenario 2
You have a dedicated Blu-ray player, but 3 hometheater receivers at different zones. The receivers
have slightly different features, bu t you only need the audio features that all three support. Use the ESet
screen to set the EDID of the Blu-ray’s source to include the three zones used by the hometheater
receivers. Once this is done, the Blu-ray player will always output video and audio that will be play
able by all three receivers. Any of the receivers will be able to view and listen to anything played on
the Blu-ray player. Other zones may or may not be able to, depending upon their capabilities.
Scenario 3
You have two 3D displays and one Blu-ray player dedicated to 3D video. The two displays may support different 3D formats, but they will most likely share formats. By setting the EDID to include both
3D TVs, the Blu-ray player will only send a 3D image that is viewable by both displays.
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21
The AUDIO Sources
These values assume the XIO bit has been set in the ‘XS’ command. By setting that bit, all supported
Zektor switches will use the same number system, as described here.
If a switch does not have as many sources as described, any unused inputs will be muted.
For instance if you try to set one of our 8x8 switches, to analog source 16, the zone will muted, and the
command will respond with a source of ‘0’.
The AUDIO Switch’s Extended I/O Sources
The AUDIO switch has 128 possible sources of the audio:
1-32These sources use the analog inputs 1-9 labeled on the back of the switch, input 9 is the
auxiliary analog input.
33-64These sources are the coax inputs, input 18 is the auxiliary coax input.
65-80These sources are the optical inputs, input 27 is the auxiliary optical input.
81-96These sources are the audio extracted from the HDMI inputs 1-6.
97-112 These sources are the “audio return” inputs on the HDMI receivers.
113-128These sources are the audio extracted from the HDMI outputs. (This is the same audio that
would be playing on a TV connected to the HDMI output.)
Using The Switch
Audio source ‘0’, is the “disconnect” source. When source ‘0’ is selected, there will be no audio, and
the zone will go silent.
Audio Conversions
When sending an analog zone is set to a digital audio source, the Switch performs automatic conversion of the analog and stereo PCM digital signals.
If a Dolby Digital or DTS Audio, or some other form of encoded bitstream audio is present on the digital inputs, then the analog zone will mute. The Switch cannot down mix Dolby Digital audio.
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The HDMI Sources
The HDMI switch consists of an HDMI channel and an audio channel. These two channels can be
switch independently for full audio/video breakaway options. The commands for doing this are
explained here:
The HDMI Switch’s HDMI Video Sources
The HDMI video section is a full featured HDMI switch with EDID and HDCP Key caching.
There are 16 HDMI possible video sources (depending upon the model).
Setting an HDIM source to ‘0’, will blank its video.
The HDMI Switch’s Audio Sources and Usage
The HDMI audio switch has 37 possible sources of the audio:
1-16These are the audio from HDMI inputs.
17-48These sources are reserved and currently mute the audio.
49-80These sources are the coax inputs, input 24 is the auxiliary coax input.
81-96These sources are the optical inputs, input 33 is the auxiliary optical input.
97-112 These sources are the “audio return” inputs on the HDMI receivers.
“‘HSZ’ Set Zone(s) -- HDMI Switch” on page 11.
Using The Switch
113-128These sources are the audio extracted from the HDMI outputs. (This is the same audio that
would be playing on a TV connected to the HDMI output.)
129-145These sources are the analog outputs 1-16.
Audio source ‘0’, is the “disconnected” source. When source ‘0’ is selected, there will be no audio, and
the zone will go silent.
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Validating the installation
After all sources and zones are connected, you should perform the following series of steps to verify
everything is working ok, and to lock in the HDCP and EDID changes. These steps should only be
done after using the ESet screen to make any EDID source changes.
•Be sure the EDID is unlocked. (See: “Locking the EDID settings” on page 18.)
•T urn on all sources, all TV / Monitors, and all receivers. Set the sources to “protected” content
if possible. (Play a Hollywood DVD -- not a copy. Set the cable boxes to a premium channel
like HBO. Etc.)
•Using the ‘A’ zone, sequentially switch all the zones to each of the sources .(See: “Mapping
an input to an output zone” on page 13.)
•Wait for all pictures to stabilize on each source change, verify that a picture can be seen on all
zones. There can be a lot of video blanking and flickering at this point, and if you have sources
that have manual HDCP key count settings, this could take a while. Verify that all sources can
be seen on all zones.
•You should now be able to switch a single zone between different sources without causing
flickering on any of the other zones.
•If you have a receiver attached to any of the output zones, you should lock the EDID. (See:
“Locking the EDID settings” on page 18.)
Using The Switch
•After locking the EDID settings, you should be able to turn of f an on receivers without cau sing
flickering on any of the zones.
•You should now save the EDID settings in EEPROM so that all the HDCP keys and EDIDs
cached will not be lost when power is turned off. (See:
page 19.)
•Before adding or removing any sources or zones, be sure to unlock the EDID. When the EDID
is locked, the switch will ignore all new devices or changes, so it must be unlocked to register
any changes.
“Saving the EDID/HDCP settings” on
24
Switch User Guide, Version 0.16, 5/13/16
RS-232 / TCP/IP Port Hardware
TCP/IP Overview
The Serial and TCP/IP port share the same protocol.
The TCP/IP connection is a very simple socket, sometimes referred to as Raw TCP/IP socket, similar
to T elnet, but without the Telnet protocol overhead. Most telnet clients will allow you to telnet into the
Zektor Switch without error.
We use the open source package PuTTY to do our testing. It has a convenient “Raw” mode that works
great with the Zektor Switch, and is available in Windows and Linux (with a Mac O/S version in the
works). (We are not associated with PuTTY in anyway, but do find it a useful tool when communicating
over TCP/IP and Serial port connections)
Website: http://www.chiark.greenend.org.uk/~sgtatham/putty
By default, the Zektor Switch uses DHCP to acquire an IP address. The TCP/IP socket’s is fixed to
50005.
Once a connection is made it will remain open until closed by the client, or after 10 minutes of retries
at attempting to talk to the client.
After connecting to the TCP/IP port, all commands are identical to those of the Serial port. All strings
coming from the Zektor Switch will be sent to both the TCP/IP sockets and Serial ports.
RS-232 / TCP/IP Port Hardware
The Zektor Switch will accept commands from both Serial ports and TCP/IP simultaneously, each
port’s commands wil l be buffered until the ending ‘$’ is read, at which time the commands will be exe
cuted in the order received. All responses will be sent to both Serial ports and TCP/IP connections.
Setting a static IP address vs DHCP
By default, the Zektor Switch will use DHCP to retrieve a IP address, an IP mask, and the address of
the router (gateway). The IP address can be set using the front panel (not all Zektor switches have front
panels), or you can issue serial commands.
When using serial commands, setting an IP address is a two step process. You must first set the static
values to be used for the IP address, the IP mask, and the router address, then place the Zektor Switch
into the Static IP address mode.
The commands to set the static IP address, mask and router are: IPA, IPM and IPG respec tively. (See:
“‘IPA’ Set / View the static IP Address” on page 59.)
The command to change the IP address mode is: IPSET. (See: “‘IPSET’ Set the IP operation mode,
DHCP or STATIC” on page 58.)
The command to save these changes in EEPROM so that they are used after a power failure is: ‘^SS
32$’. (See:
As an example, to set a static address of 192.168.1.200, a mask of 255.255.255.0 and a router address
of 192.168.1.1, and save this in EEPROM, the following commands would be executed:
^IPA 192,168,1,200$- Set the static IP address
^IPM 255,255,255,0$- Set the static IP mask
^IPG 192,168,1,1$- Set the gateway address
^IPSET 0$- Set the TCP/IP mode to “Static”
^SS 32$- Save the new settings in EEPROM in case of power failure
“‘SS’ Save Default Power On Settings” on page 55.)
-
Zektor Switch Serial Protocol, Version 0.16, 5/13/16
25
TCP/IP settings used by the Zektor Switch
Default IP Address:DHCP
Port Number:50005
Duplex:Full
Speed:10/100 Mbps
RS-232 Pinout and Baudrate Settings
The RS-232 port on the Zektor Switch is the same format, and pinout, as a PC modem, and uses the
same type of cable as a standard serial modem would, which is a standard straight through cable. Do
not use a cable that is marked as a “Null Modem” cable.
The Zektor Switch can also be used with USB to RS-232 conversion cables, these are all typically
straight through cables. (Be sure to install any drivers that come with the USB to RS-232 cable you are
using.)
The RS-232 port is a female type DE-9 connector (sometimes mistakenly referred to as a DB-9 connector) with the following pinout:
RS-232 / TCP/IP Port Hardware
Pin definitions
1 - No Connect6 - No Connect
2 - TX7 - No Connect
3 - RX8 - No Connect
4 - No Connect9 - No Connect
5 - GND
Port settings used by the Zektor Switch
Baudrate:19200
Data Bits:8
Stop Bits:1
Parity:NONE
Timing information (unless specified otherwise by a command’s description)
Min character to character time:0ms
Min line to line time:0ms
Min time between commands:0ms
Max time to respond to a request:100ms
26
Zektor Switch Serial Protocol, Version 0.16, 5/13/16
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