System Control and Communication Board

(8 reviews) | 64 sold | 5 QA

29 in stock      3-5 days lead time

18 People watching this product now!
PN: 03020CQV Categories: ,
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.

Huawei OSN 3500 System Test Procedure
In this document, we will show you how tests SDH equipment product boards.
Learn More


System Control and Communication Board

Apply to the OptiX OSN 3500, OSN 7500 equipment.

Supports channel types of D1-D1, D1-D3, and D4-D12.

Processes the E1, E2, F1, and serial1–4 bytes.

Supports the monitoring of the –48 V or –60 V power supply.

Supports the in-service check function and the failure check function.

Supports the 1+1 Hot Backup for the SCC Unit protection schemes.

Supports one channel of ECC communication.

Supports service performance monitoring and collects information about the performance events and alarms.

Provides 16 alarm inputs and four alarm outputs through the AUX.

Controls the four cabinet indicators through the AUX.

Supports intelligent fan speed control and manages the fan alarms.

Supports simulation package loading and diffused loading.


SSN4GSCC is a Main Control board for Huawei OSN3500 and OSN 7500, provide system control, orderwire, communication and system power supply monitoring. Part number is 03020CQV, Normally configure as 1+1 redundancy.

Tech Specs
Front Panel
The front panel of the SSN4GSCC has indicators and a bar code.

Valid Slot
OSN 3500: The SSN4GSCC can be installed in slots 17 and 18 in the subrack.

OSN 7500: The SSN4GSCC can be installed in slots 24 and 25 in the subrack.

Mechanical Specifications
Dimensions (mm) 25.4 (W) x 235.2 (D) x 261.4 (H)
Weight(kg) 1.0
Additional information
Weight 3.0 kg
Dimensions 37.5 × 34.0 × 7.5 cm

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Q: Can I use only one GSCC board in OSN 3500/OSN 7500?

A: Yes, you can, but that highly not recommended.


Q: How many version does GSCC have?

A: GSCC is available in several functional versions: N1, N3, N4 and N6.


Q: The board is new or refurbished?

A: Yes, it is original new, not been used.


Q: Can I return/exchange board if not compatible with my system?

A: Yes, please tell our sales team your system and main control board version, before your purchase.


Q: What is the lead time for SSN4GSCC board?

A: In normal condition is 5 days, better to confirm with our sales team before your purchase.

Reviews (8)

8 reviews for SSN4GSCC

  1. Mauricio

    Replace and backup for our OSN3500 main control, all good except for the express shipping.

  2. Raze

    Taking 4pcs spare part for the OSN3500, but 4pcs N4GSCC come to us with different versions, we will upgrade when use them.

  3. Rathods
    United Kingdom (UK)

    Bought one pcs SSN4GSCC for redundancy on OSN 3500, brand-new and good price.

  4. Rathods
    South Africa

    Bought one pcs SSN4GSCC for redundancy on OSN 3500, brand-new and good price.

  5. Ken

    I appreciated the fast email response to my queries, thank you very much.

  6. Crack Man

    The board arrived on time and is perfect. I’m looking forward to buying more from these website.

  7. Philander

    I do not have any complaints about Thunder-link. i have always had good service and fast shipping.

  8. lily

    The board of good quality, the price is reasonable, and compared with several suppliers with ThunderLink before deciding to buy, it’s cheaper than other businesses, sales of patience is very good.

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