DIN Rail DMX512 / RDM
splitter with Fix mode.
Rail-Split™ RDM II
is a high specification, low cost DMX512/RDM splitter and fixer
designed for permanent installations. (If you don't need RDM, see
sister product Rail-Split DMX).
Rail-Split RDM is DIN
Rail mounted for ease of installation. All connections are via screw
terminals. DMX loop through and termination options are provided.
The product offers
high levels of electrical protection. It can survive mains faults of up
to 425 VAC continuous connection on the input, loop and outputs. If you
additionally require sacrificial surge protection, please see the
sister product Rail-Split extreme.
supports the RDM (Remote Device Management) Standard. RDM allows
bidirectional communication over the DMX cable.
Rail-Split RDM is
powered from a 9 to 48VDC power source.
provides a switch to select between operation as a bidirectional
DMX/RDM splitter and Fix mode. In Fix Mode, the product discards all
RDM and other specialist data packets. It also adjusts the DMX timing
to values that are likely to be acceptable to fixtures that do not
fully comply with the DMX standard. The list below shows the fix mode
correction for DMX512.
Accepts breaks from
56uS to 1000uS
Accepts MAB from 5uS
Accepts MBB from 0uS
count from 1-512
Accepts refresh from
23mS to 1000mS
Retimes bytes with 1
stop bit to 2 stop bits
Generates DMX with
fixed timing parameters:
Refresh = 33Hz,
Filters out all
Non-Zero Start Codes