Huawei MA5683T MA5680T main control board integrated with 4-port GE optical uplink port

(1 customer review) | 178 sold | 4 QA

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Firmware Upgrades

Firmware Upgrades x

Firmware upgrades allow our customers to utilize the latest features and security enhancements that simply make the devices to operate proficiently Learn more

Hardware Compatibility

Hardware Compatibility x

Backed up by our experienced pre-sales support team, and volume documentation, to avoid purchasing incompatible hardware.

Hardware Tested

Hardware Tested x

In order to avoid hardware malfunction, each equipment will be strictly tested before delivery and the test report will be packed inside equipment and delivered together. Learn more

Software Compatibility

Software Compatibility x

Software compatibility test between active/standby system board, main control board and service board, mother/sub-card; system commissioning test to prevent all software conflicts.

How to Upgrade Huawei MA5600T Series OLT
We take Huawei MA5680T as an example in this article to briefly elaborates the upgrade process of Huawei MA5608T / MA5680T / MA5683T
Learn More


Supports integrated optical copper access for GPON, P2P, xDSL, and voice services.

Supports 480 Gbit/s (active/standby mode), 960 Gbit/s (load sharing mode) switching capacity.

Supports active/standby mode and load sharing mode, doubling processing performance.

Supports ISSU, saving the upgrade interruption time.

Supports 1588v2, and 1588 ACR by working together with the H801CKMD daughter board.

Supports interfaces CON (RJ-45), ETH (RJ-45), ESC (RJ-45).

Supports Communication Interfaces TX0 RX0 to TX3 RX3 (4 x SFP GE ports).


SCUN is a main control card of Huawei OLT MA5680T, MA5683T; it is the core of the system control and service switching and aggregation. Provide 480G switching capacity (active/standby mode), MAX access 8192 subscribers. SCUN has two hardware versions, H801SCUN and H802SCUN, basically no difference between these two versions.

Tech Specs
Front Pannel


LAN switch 24 x 10GE + 4 x GE
Switching capacity 480 Gbit/s (active/standby mode)
960 Gbit/s (load sharing mode)
Bandwidth per slot 10 Gbit/s (active/standby mode)
20 Gbit/s (load sharing mode)
MAC address table 32768
Access user 8192
Multicast user 8192
Configurable multicast channel 4096
Concurrent multicast channel 2000
IPv4 routing table 5120
IPv6 routing table 5120
Service port 32768
ARP table 8192
ACL rule 1024
Maximum Frame Size 2052 bytes. After jumbo frame  function is enabled, a maximum of 9216  bytes can be supported.
VRF (L3 VPN) Supported
Operating temperature -25°C to +65°C
Power consumption Static: 30
Maximum: 50 W
Mechanical Specification
Dimensions(mm) 25.40 (W)x 237.00 (D) x 395.40(H)
Weight(kg) 0.5
Additional information
Weight 3.0 kg
Dimensions 49.0 × 32.5 × 7.5 cm


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Q: What’s the difference among SCU boards?


Board Access
Panel ports Daughter board Ethernet
D-CMTS Built-in 2GB CF card Centric management for GE remote extended subrack Load
H801SCUB Copper 4 GE H801FLBA
No No No No No Yes
H801SCUF Optical
No No No No No Yes
H801SCUL Optical
None H801CKMC
No No No No No Yes
H801SCUN Optical
No No No Yes Yes supported in V800R011C00 or later version Yes
H802SCUN Optical 4 GE H801FLBA
H801M2XA version B
No No No Yes Yes supported in V800R011C00 or later version Yes
H801SCUK Optical 4 GE H801FLBA
H801M2XA version B
No No No Yes Yes supported in V800R011C00 or later versions Yes
H801SCUH Optical 4GE/10GE No Yes No Yes No Yes Yes
H801SCUV Optical 4GE/10GE No Yes Yes Yes Yes No Yes


Q: What is the access User and Password of the SCUN?


V8R16 or Previous Version root/admin root/admin
V8R17 root/admin123 root/admin123


Q: Can I use a SCUK board as the 1+1 redundancy?

A: No, you cannot. Although SCUN and SCUK have same specfications, but their inner softwares are different, so they cannot switchover with each other.


Q: Can I directly use the 4 GE uplink ports on SCUN to save cost of uplink board?

A: Yes, you can. But normally there are two SCUNs on an OLT, one is Active and the other is Standby, only uplink ports on the Active SCUN are useful.

Reviews (1)

1 review for H801SCUN

  1. lily

    Service is good, it’s very patient for me no matter what I asked. Today, I receive the items, it’s very nice, and it is consistent with the description. Good!!!!

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