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SmartAX MA5621 Power Grid ONUs

Ruggedized Optical Networking Units (ONUs) for automated meter reading in Smart Grid networks. MA5621 and MA5621A ONUs enable remote data collection and video monitoring systems; they are also suitable for high-speed Internet or HDTV for multiple-tenant customers.

Downstream ports support FE connection, with up to 4 x RS485 or 4 x RS232 interfaces for connecting to PCs, ammeters, or concentrators. Upstream GPON support complies with ITU G.984 standards.

Anti-electromagnetic interference enclosure, shock resistance, and 6 kV surge protection provide high reliability, making MA5621 Series ONUs an excellent choice for Smart Grid power systems.

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Support automatic meter-reading Smart Grid applications in multiple dwellings and commercial properties with Huawei SmartAX MA5621 and MA5621A Optical Networking Units

Full-protection capabilities for PON networks with Type B, Type C, and Type D protection, dual upstream PON ports, and xPON hand-in-hand networking protect against multi-point failures

Industrial-grade design includes sealed cast aluminum enclosure that protects in temperatures ranging from –40°C to 65°C, provides shock resistance and anti-electromagnetic interference

Built-in 6 kV surge protection

Highly efficient operations, administration, and maintenance with one-stop deployment, plug and play, automatic configuration, remote monitoring, and maintenance of devices


Specifications MA5621 MA5621A
Dimensions (H x W x D) 44.4 mm x 235 mm x 180 mm 43.6 mm x 250 mm x 180 mm
–40°C to 65°C
5% RH to 95% RH
–40°C to 55°C
5% RH to 95% RH
Power AC: 100V to 240V
DC: 12V to 48V
AC: 110V or 220V
Network-side Ports 2 x EPON 1 x GPON
User-side Ports 4 x FE + 4 x RS485/RS232 4 x FE + 4 x RS485
Surge Protection Power port: 6 kV
FE: 4 kV
Power port: 6 kV
FE: 4 kV

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