2.Precautions
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 2
2.
Precautions
2.1.
Guidelines for Avoiding EMI and ESD
1)
CAT-5e cables or above with S/STP shielding are recommended.
2)
Using shielded cable can avoid electro-magnetic interface. Shielding layer of the cable should conduct
to ground nearby and not until stretched too long. When many devices need conduct to ground, using
single point grounding to avoid earth loop.
3)
Try to use camera cables that are the correct length. Avoid coiling camera cables. If the cables are
too long, use a meandering path rather than coiling the cables.
4)
Keep your cameras away from equipment with high voltage, or high current (as motor, inverter, relay,
etc.). If necessary, use additional shielding.
5)
ESD (electro-static discharge) may damage cameras permanently, so use suitable clothing (cotton)
and shoes, and touch the metal to discharge the electro-static before operating cameras.
2.2.
Environmental Requirements
1)
Housing temperature during operation: 0°C ~ 45°C, humidity during operation: 10% ~ 80%.
Storage temperature: -20°C ~ 70°C.
2)
To avoid collecting dust in the optical filter, always keep the plastic cap on cameras when no lens is
mounted.
3)
PC requirement: Intel Core 2 Duo, 2.4GHz or above, 2GB memory or above.
4)
NIC requirement: Intel Pro 1000 NIC confirming to IEEE802.3af standard or higher performance Intel
GigE NIC, CAT-5e cables or above, length less than 100m, switch confirming to IEEE802.3af standard.
5)
Make sure that cameras are transported in the original factory packages.
2.3.
Camera Mechanical Installation Precautions
1.
Camera installation requirements
1)
The screw and camera have a screw length between 2.5 and 2.7 mm.
2)
Screw assembly torque ≤ 1N·M. If the screw assembly torque is too large, it may cause the camera
thread stripping.
2.
DAHENG tripod adapter instructions
1)
M3 * 6 cross recessed cheese head screws are required.
2)
After the screws pass through the tripod adapter, they are directly assembled with the camera threads.
