User manual

2.8 Important Notes
2.8.1 Safety Regulations
2.8.2 Suitable Cables
Only use cables, which have been approved for the pertinent type of installation.
Always observe the allowed wire diameters and the maximum cable lengths.
Ethernet: Make sure that you are using a suitable eight-wire Ethernet instal-
lation cable for connecting the device to the patch panel of a structured wir-
ing system in a building. The maximum length for Ethernet cables is
100m/110yd.
USB: Make sure that you are only using the MOBOTIX connection cables to-
gether with the preinstalled rubber plug (M22M, D22M). The maximum
length for USB cables is 5m/16ft.
Signal wires and external sensors: Use suitable installation cable for con-
necting more relays or signal lines (e.g. to an alarm system) or an external
sensor and make sure that you adhere to the allowed wire dimensions.
The length of the cables for signal wires and external sensors is not re-
stricted. You need to make sure, however, that the minimum voltage at the
corresponding terminal is reached. A possible loss of voltage due to the re-
sistance of the wires needs to be considered. When using a cable with a
wire with 0.3mm² dimension (AWG 23), the cable can be up to 500m
(547yd) long.
Suitable Installation Cable:
JY(ST)Y twisted wire pairs, shielded
A2Y(ST)2Y underground cables
YR low-current cables
Allowed Wire Dimensions:
Ethernet terminal (cutting clamps) inflexible 0.14 to 0.5 mm² AWG 26 to 20
Terminals 1 and 2 inflexible 0.13 to 0.31 mm² AWG 26 to 22
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MOBOTIX ExtIO User Manual
AWG: American Wire
Gauge (for measuring
cable diameters)
Caution
It is imperative that all electrical wires have been disconnected from
the mains power when working on or servicing the device! Also
make sure to adhere to the applicable regulations for this kind of
work!
MOBOTIX will not assume any responsibility from faulty installation
or inappropriate use!