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The SmartAX MA5621 Multi-Service Access Module (MA5621 for short) is a passive cooling multi-dwelling unit (MDU) developed by Huawei for smart grid reconstruction. The MA5621 can be used for remote and intelligent information collection and transmission (regarding power stations and user electricity consumption) in an electricity system, and can also be used for video monitoring
Product Features
u Comprehensive GPON Protection
The MA5621 supports the following GPON protection solutions:
l GPON type B protection: supported by the MA5621 when the MA5621 works with optical line terminal (OLT) V800R009C00 or later versions
l GPON type C protection: supported by the MA5621 when the MA5621 works with OLTV800R010C00 or later versions
u Passive Cooling
u Highly Effective Manageability and Maintainability
u Reliability Design
The hardware design of the MA5621 has the following features:
l Passes the electrostatic discharge (ESD) test.
l Supports a wide range of operating temperatures: able to start at a lowest temperature of-25°C, operate at a lowest temperature of -40°C and a highest temperature of 70°C, and able to endure an 85°C high temperature for two hours.
l Passes the CE certification and meets the safety requirements specified in IEC60950-1,EN60950-1, IEC60825-1/2, and GB4943.
l Supports the following surge protection capabilities:
–Common-mode and differential-mode 6 kV for the AC power port.
–Common-mode 6 kV for FE/GE auto-adaptive ports and common-mode 4 kV for serial ports.
l Employs an energy-efficient and silence design.
l Has fewer lines routed across the surface of the board to achieve a proper heat dissipation effect (producing a temperature difference to prevent condensation).
The following table lists all functions supported by the MA5621.
Type | l Function |
Quality of service (QoS) | l Priority processing l Traffic management l Congestion management l Early drop l Traffic policing l Service priority tagging l Queue scheduling l Queue buffer l Traffic shaping l Access control list (ACL) policies |
Layer 3 features | l VLAN Layer 3 interface l Address Resolution Protocol (ARP) l Static route |
Networking features | l Multiple Spanning Tree Protocol (MSTP) l Link Aggregation Control Protocol (LACP) l PON type B protection l GPON type C protection |
System security | l Source IP address filtering (IP address access list) l Source MAC address filtering l Destination MAC address filtering l Anti-denial of service (DoS) attacks l Anti-IP address attacks l Anti-Internet Control Message Protocol (ICMP)packets Attacks l Source route filtering l Firewall l Blacklist |
Operation and maintenance security | l User account and password management l Simple Network Management Protocol v3 (SNMP l based authentication, encryption, and access control l Setting of independent security administrator l Encryption for file transfer l Encryption for remote management and connection l Security event logging |
Subscriber security | l Anti-MAC address transfer l Subscriber isolation l Ring check |
Line security | l Advanced Encryption Standard (AES) 128 encryption for GPON downstream transmission |
Operation and maintenance features | l Local operation and maintenance l Remote operation and user management l Version and data management l Device exception management |
Environment monitoring | One environment monitoring port that can receive data of four digital parameters Default digital parameters: smoke, door status, surge protection, and main distribution frame (MDF) |
Dimensions of the MA5621
Type | Dimensions (WxDxH) |
MA5621 (without the mounting brackets) | 235 mm x 180 mm x 44.4 mm |
MA5621 (with the mounting brackets) | 482.6 mm x 180mm x 44.4 mm |
Weight of the MA5621
Product | Weight |
MA5621 | 1.5 kg |
Operating environment parameters of the MA5621
Operating Environment | Parameter Value |
Working environment temperature | -40°C to +70°C The MA5621 can start at a lowest temperature of -25°C, operate in the normal state at a lowest temperature of -40°C and a highest temperature of 70°C, and can endure an 85°C high temperature for two hours. |
Working environment humidity | 5% RH to 95% RH |
Atmospheric pressure | 70 kPa to 106 kPa |
Altitude | Below 4000 m |
Power parameters of the MA5621
Parameter | Specifications |
Power supply mode | 220 V AC power l12 V/24 V/48 V DC power |
Working voltage range | 90-264 V AC (The MA5621 can endure a highest 300 VAC voltage.)l9-60 V DC |
Power Consumption | <13W |
