Huawei SmartAX MA5608T Hardware Description

Figure 1-59 External connections of the cabinet (underfloor cabling)
DC PDU
ODF
MDF
DC power
distribution
cabinet
Fan tray
Fan tray
MDF
1.3.10 Heat Dissipation
This topic describes the ventilation of the N66E-22 cabinet.
The N66E-22 cabinet has a fan tray at the top of the service shelf to exhaust hot air for heat
dissipation.
The ventilation of the N66E-22 cabinet is shown in Figure 1-60.
l The ventilation for the upper shelf of the N66E-22 cabinet is as follows:
a. Cold air enters the cabinet through the front of the cooling space.
b. The air flows upward through the upper shelf.
c. The air is exhausted from the top of the cabinet.
l The ventilation for the lower shelf of the N66E-22 cabinet is as follows:
a. Cool air enters the service shelves through the bottom of the cabinet and the bottom
of the service shelf.
b. The air flows upwards through the service shelves.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
1 Cabinet
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
67

Huawei SmartAX MA5608T Specifications

General

Dual Power Supply	Yes
Humidity	5% to 95% (non-condensing)
Uplink Slots	2
Maximum GPON Ports	16
Input Voltage Range	-38.4 V DC to -72 V DC
Device Type	OLT
Power Supply	-48 V DC
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to 70°C
Switching Capacity	128 Gbps
Ports	GPON, XG-PON, 10GE