Extending Ir And Rs-232 Control; Application Example; Settings - Key Digital FatCAT KD-CATHD250Lite Setup Manual

4

Extending IR and RS-232 Control

You can extend IR or RS-232 control signals over the KD-CATHD250Lite/
KD-CATHD250POE baluns, for controlling remotely located equipment.
To extend control signals, follow the below pin assignment charts.
NOTE:
The pin assignments are different on the Tx and Rx units.
Tx Pin Assignment Chart
➔
Mode Tip
iR iR in
RS232 RxD
Rx Pin Assignment Chart
➔
Mode Tip
iR iR Out
RS232 TxD

Application Example

Blu-Ray
HDMI
IR
IR Emitter
KD-CATHD250Lite
Up to 250' – with Key Digital KD-CAT6STP1X
®
Up to 200' – with CAT5e/6
CAT6/STP
KD-CATHD250Lite
6'
Ring Sleeve
iR Out gnd
TxD gnd
Ring Sleeve
iR in gnd
RxD gnd
CAT6/STP
CAT5e/6 or CAT6/STP
HDMI
IR
Display
HDMI
KD-IRKIT300
IR
IR Receiver
To control Blu-Ray
Achieved Distance: up to 518'
Daisy Chain Example:
6'
Blu-Ray
KD-CATHD250Lite
HDMI
CAT6/STP
250'
Up to – with Key Digital
KD-CATHD250Lite
6'
HDMI

Settings

forced hPD:
The KD-CATHD250Lite/KD-CATHD250POE baluns allow modifying HPD (Hot
Plug Detection) protocol between the source and display. Modifying HPD protocol
will allow overcoming HPD handshake incompatibility between the source and
display. Modifying HPD protocol may also help fix other problems related to HDMI
connectivity.
Range and Resolution:
Using KD-CAT6STP1X Super CAT6 Shielded cabling:
➔
All resolutions up to 1080p, 1920x1200, 3D up to 250 ft.; 4K up to 120'
Using Third-Party CAT5e/6 cabling: All resolutions up to 1080p, 1920x1200,
➔
3D up to 200 ft.; 4K up to 120'
nOTE: use metal shielded RJ45 connectors with soldered
ground wires when terminating the CAT6 STP.
IR
Achieved Distance: up to 518'
KD-CATHD250Lite
KD-CAT6STP1X
®
HDMI
6'
KD-CATHD250Lite
CAT6/STP
5
IR Receiver
To control Blu-Ray
Display