Thor 1- 4 HDMI to QAM Modulators - Manual (Page 11)

H-4SDI-or-4HDMI-QAM-IP
2.4 Environment Requirement
Item Requirement
Machine Hall
Space
When user installs machine on rack, the distance between 2
rows of machine frames should be 1.2~1.5m and the distance
against wall should be no less than 0.8m.
Machine Hall Floor
Electric Isolation, Dust Free
Volume resistivity of ground anti-static material:
1X10
7
~1X10
10 ，Grounding current limiting resistance: 1M
(Floor bearing should be greater than 450Kg/㎡)
Environment
Temperature 5~40℃(sustainable )，0~45℃(short time)，
installing air-conditioning is recommended
Relative Humidity 20%~80% sustainable 10%~90% short time
Pressure 86~105KPa
Door & Window
Installing rubber strip for sealing door-gaps and dual level
glasses for window
Wall It can be covered with wallpaper, or brightness less paint.
Fire Protection Fire alarm system and extinguisher
Power
Requiring device power, air-conditioning power and lighting
power are independent to each other. Device power requires
AC 110V±10%, 50/60Hz or AC 220V±10%, 50/60Hz. Please
carefully check before running.
2.5 Grounding Requirement

It is important to keep this device grounded to ensure all of the modules
function correctly. Correctly grounding the device will also help prevent any
electrical interference, lightening. Etc. Also it helps reject minor interference that
may disrupt the devices ability to function smoothly. General rule of them, make
sure the device is grounded when installing anywhere.