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33
Connecting to cabinets
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Connect SNOW-1703U or SNOW-1703ULD to an external device, and then connect it to IFH,
IFH-D, and IFJ devices.
IFJ supports only SNOW-1703ULD.
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Connecting parts may differ in different products.
• Do not connect the power cable before connecting all other cables.
Ensure you connect a source device first before connecting the power cable.
• Before connecting power to the cabinets, connect the I/G card to the cabinets first.
• One SNOW-1703U or SNOW-1703ULD supports only one type of LED pitch cabinets. Do not
connect different types of LED pitch cabinets.
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Connecting other types of cabinets may cause abnormal image quality.
• After connecting the HDBT cable, connect the OCM cable in the following order:
HDBT OUT HDBT IN
DATA OUT (Forward)
DATA IN DATA OUT
DATA IN (Reverse)
DATA IN DATA OUT
First cabinet
Connecting cables for redundancy
Last cabinet
SNOW-1703U /
SNOW-1703ULD
I/G Card
• Use a CAT 6 (*STP type) cable or later cable standards for connecting components.
*STP: Shielded Twisted Pair
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Make sure that the HDBT cable length is from 15 m to 100 m.
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If you use a cable that is out of specified length range, the signal quality may be unstable.
• Use the LAN cables recommended on the HDBaseT website (http://hdbaset.org/hdbaset-
recommended-cables).
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If a LAN cable that is not recommended is used, the HDBT signals may become unstable.
Recommended number of devices for connection for
each input voltage
Exceeding the recommended maximum number of devices may produce overvoltage, causing
the circuit breaker to trip down or the product to be damaged. Make sure that the number of
connected devices does not exceed the recommended maximum number.
Samsung is not liable for any problems incurred by connecting devices that exceed the
recommended maximum number.
Model Name
Operating
voltage
Recommended maximum
number of connections
IFH (IF015H / IF020H)
IFH-D (IF025H-D / IF040H-D / IF040H-DL /
IF060H-D / IF060H-DL / IF085H-DL)
110 V 3 cabinets or less
220 V 4 cabinets or less
IFH (IF025H)
110 V 4 cabinets or less
220 V 8 cabinets or less
IFJ (IF012J)
110 V 2 cabinets or less
220 V 4 cabinets or less
e.g. IFH-D
POWER IN POWER OUT POWER IN POWER OUT POWER IN POWER OUT
First cabinet Second cabinet Last cabinet
Do not use
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