Spd28Sz Surge Protector - Huawei SmartAX MA5600T Hardware Description

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Silk
Screen
JTD1-
JTD7
J1
NOTE
Specifications
Table 6-37
Table 6-37 Specifications of the PMIB02 sensor transfer box
Sensor Transfer Box
PMIB02

6.9 SPD28SZ surge protector

This topic describes the functions and front panel of the SPD28SZ surge protector, and
provides the specifications of the surge protector.
Function
The SPD28SZ surge protector has the over-voltage protection function against lightning. It
can protect the power supply device and the powered device. The SPD28SZ surge protector is
used in the 220 VAC-powered indoor cabinet.
Front Panel
Figure 6-36
Issue 24 (2018-07-30)
Signal Port
Input ports of
the standby
Boolean value
DB50 port
"JTD1-JTD7" are the input ports of the standby Boolean value. By default, the sensors are not
configured. You can determine the type of signal to be accessed. With related configuration, the monitor
unit can monitor them.
lists the specifications of the PMIB02 sensor transfer box.
shows the front panel of the SPD28SZ surge protector.
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Copyright © Huawei Technologies Co., Ltd.
Pin Function
l Pin 1 is for the +24 V power supply.
l Pin 2 is for the +12 V power supply.
l Pin 3 is for the signal cable.
l Pin 4 is for grounding.
According to the actual requirements,
access related passive digital signals to
pins 2 and pin 3.
The port connects the monitoring transfer
board and the monitoring board to input
the sensor signals and the output the
control signals.
Dimensions (W x D x H)
482.6 mm x 70 mm x 43.6 mm
6 Electromechanical Device
Remarks
Reserved
-
952