Lightware UMX-TP-TX100R - Set the RS232 Operation Mode; Query the RS232 Operation Mode; Count HDCP Keys; Clear HDCP Key Cache

Page 18 / 43 Section 4. Programmers reference
Explanation: Factory default settings reloaded for crosspoint and I/O card configurations
and emulated EDIDs.
Info: The response may contain additional messages as the router makes the configurations.
These responses can be omitted.
Info: After resetting the needed parameters, the device restarts.
4.4.5. Set the RS232 operation mode
Description: This command sets the RS232 port operation mode.
Format
Example
Command
{RS232=<mode>}
→
{rs232=control}
Response
(RS232=<mode>)CrLf
←
(RS232=CONTROL)CrLf
Legend: <mode> Two kinds of operation modes can be:
<CONTROL> The CPU in the transmitter can receive
commands and send responses.
<PASS> The serial connectors on the transmitter
and on the receiver are linked together.
Explanation: The device can be controlled via RS232 port.
4.4.6. Query the RS232 operation mode
Description: This command queries the current RS232 operation mode.
Format
Example
Command
{RS232=?}
→
{rs232=?}
Response
(RS232=<mode>)CrLf
←
(RS232=CONTROL)CrLf
Legend: Please read section 4.4.5 on page 18.
Explanation: The device can be controlled via RS232 port.
4.4.7. Count HDCP keys
Description: If there is an HDCP source on the HDMI input of the device, the device can
ask the source whether it can handle <num> piece of sink devices.
Format
Example
Command
{:HDCPTEST<in>@<num>}
→
{:hdcptest1@8}
Response
(HDCPTEST=SUCCESS)CrLf
←
(HDCPTEST=SUCCESS)CrLf
Legend: <in> input port where the key counting will be executed. This input
port must be selected.
<num> the number of the HDCP keys
Explanation: The source on the 1
st
input can handle 8 HDCP sink devices.
4.4.8. Clear HDCP key cache
Description: The device stores the HDCP keys from the connected devices. These
cached keys can be cleared with this command.
Format
Example
Command
{:HDCPRESET}
→
{:hdcpreset}
Response
(Done)CrLf
←
(Done)CrLf
Explanation: HDCP key cache is cleared.
Info: This function is useful when too many keys were cached and a connected source device
cannot accept so many keys.