Huawei TP482000B-N20B1 - Page 52

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
5 Components
Issue 07 (2020-04-10)
Copyright © Huawei Technologies Co., Ltd.
46
Table 5-16 PELU port pin definitions
Pin
Signal
Description
1
5V
5 V power output, positive
3
GND
Signal ground
4
SDA
I
2
C data
5
SCL
I
2
C clock
2, 6, 7, 8
-
-
Interior
The figure shows the interior structure with the cover removed.
Figure 5-12 Interior of the power distribution monitoring unit (AC or DC cabinet)
(1) Button board
(2) LCD
(3) Signal sampling board
(4) Signal transfer board
(5) Indicator