
Connection
19
the grounding cable after the device is powered off. There is a grounding screw (see
) on the front panel of the device. The screw is for chassis grounding. After crimping
one end of the grounding cable to a cold pressed terminal, secure the end of the grounding
cable to the grounding screw and firmly connect the other end to ground.
Note:
Cross-sectional area of the chassis grounding cable>2.5mm
2
; Grounding resistance<5
.
4.5 Power Port
There is a main power port on the front panel of the device. You need to connect the power
cable to the power port to provide power to the device. The main power port is equipped with
5 Pin M23 connector, which is dustproof, waterproof, and anti-vibration. The device supports
redundant power input, when one power input is faulty, the device can continue operating
properly, thereby improving network reliability.
Note:
0.75mm
2
<Cross-sectional area of the power cable<2.5mm
2
; grounding resistance<5
.
Pin Definition