Specification
Expert Repeat (XPR)

A. General
i.	The Repeater shall be a solid-state device specifically designed as an optically isolated DMX512 repeater. 
ii.	There shall be visual indicators on the Repeater showing status of the Repeater and its interfaces.
iii.	The Repeater shall support galvanically isolated DMX512 input. 
iv.	The Repeater shall support 4 individually galvanically isolated DMX512 outputs.
v.	The DMX512 ports shall be self-healing and withstand continuous AC voltage up to 277V
vi.	The Repeater shall support RDM v1.0.
vii.	The Repeater shall be provided with a 5-year manufacturer warranty.

B. Physical
i.	The unit shall be a 6 unit DIN enclosure (107.5mm x 90.0mm x 40.0mm). 
ii.	Mounting shall comply with EN60715 (35/7.5 rail). 
iii.	The unit shall additionally have a keyhole bracket for alternate wall mounting. 
iv.	The unit shall be entirely solid-state with no moving parts or fans.
v.	The unit shall operate in a temperature range from 0°C to 50°C (32°F to 122°F).
vi.	The unit shall be CE and UKCA compliant.
vii.	The unit shall be UL/cUL listed.

C. Electrical
i.	The Repeater shall be designed to support the following wire terminations with plug-in rising clamp terminals:
a.	3-pin 9V to 48V DC Power
b.	3-pin DMX512 input
c.	3-pin DMX512 output (4)
and the plug-in rising clamp terminals shall be provided.