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Huawei OSN8800 100G Tributary Service Processing Board With 100G BASE-LR4-10 km-CFP
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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

Hardware Compatibility

Hardware Compatibility x

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

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 WDM-OTN Equipment Test Procedure

In this topic, we take Huawei OSN 8800 as example to show you how to test the WDM/OTN equipment (Huawei OSN 6800 etc)


100G Tributary Service Processing Board, apply to Huawei OSN 8800.

When the client-side service type is 100GE, the board supports the PM function.

When the client-side service type is OTU4, the board supports the PM and TCM functions, PM and TCM non-intrusive monitoring functions.

Supports the cross-connection of one channel of ODU4 signals between the TSC and the cross-connect board.

Supports the OTN frame format and overhead processing by referring to the ITU-T G.709.

Supports the SM function.

Supported ESC function when the client side service type is OTU4.

Supports the PRBS function on the client side, only when the client side service type is OTU4.

Supports forward error correction (FEC) on the client side that complies with ITU-T G.709, only when the service type is OTU4. 

Supports the remote monitoring (RMON) of Ethernet services.

Supports the ALS function on the client side when client services are non-OTN services.

Supported only when the client-side service type is 100GE.

Supports synchronous Ethernet transparent transmission instead of synchronous Ethernet processing when receiving 100GE/OTU4 services on the client side.

Supports Electrical-layer ASON.

Supports client 1+1 protection.

Supports ODUk SNCP.

Supports tributary SNCP protection.

Supports the tributary SNCP protection, only when the client side service type is OTU4.

Supports Inloop/Outloop on the Client side of Loopback.

As a type of tributary board, the TSC board converts between one channel of 100GE/OTU4 optical signals and one channel of ODU4 electrical signals through cross-connection.

The TSC board is mainly used to achieve cross-connection at the electrical layer.

Tech Specs
Front Panel

There are indicators and interfaces on the front panel of the TSC board.


Valid Slot

Enhanced OptiX OSN 8800 T64 subrack: IU1-IU8, IU11-IU42, IU45-IU68

Enhanced OptiX OSN 8800 T32 subrack: IU1-IU8, IU12-IU27, IU29-IU36

OptiX OSN 8800 T16 subrack: IU1-IU8, IU11-IU18

Client-side pluggable optical module specifications (100G BASE LR4)
Optical Module Type100G BASE-LR4-10 km-CFP
Line code formatNRZ
Optical source typeSLM
Target transmission distance10 km (6.2 mi.)
Transmitter parameter specifications at point S
Signaling Speed per Lane(Gbit/s)25.78125
Signaling Speed Accuracy(ppm)-100 to 100

Total Average Launch Power (Min)(dBm)


Total Average Launch Power (Max)(dBm)


Transmit OMA per Lane (Min)(dBm)


Transmit OMA per Lane (Max)(dBm)


Average Launch Power per Lane (Min)(dBm)


Average Launch Power per Lane (Max)(dBm)


Optical Extinction Ratio (Min)(dB)4
Side Mode Suppression Ratio (Min)(dB)30
Receiver parameter specifications at point R
Receiver typePIN
Signaling Speed per Lane(Gbit/s)25.78125
Signaling Speed Accuracy(ppm)-100 to 100
Average Receiver Power per Lane (Min)(dBm)-10.6
Average Receiver Power per Lane (Max)(dBm)4.5
Minimum receiver overload (OMA) per Lane(dBm)4.5
Receiver Sensitivity (OMA) per Lane(dBm)-8.6
Maximum reflectance(dB)-26
Mechanical Specifications
Dimensions(mm)50.8(W) x 220(D) x 264.6(H)


Q: Can I use TN55TSC on General OSN8800 T32 subrack?

A: No, TN55TSC only can be applied to Enhanced 8800 T64, Enhanced 8800 T32 and 8800 T16 Subrack.


Q: Why TN55TSC still cannot work on my enhanced OSN8800 T32? 

A: Please check your the cross-connect board type plugged into your device:

1, For enhanced OSN 8800 T64 subrack, TSC must work with TNK2USXH+TNK2UXCT.

2, For enhanced OSN 8800 T32 subrack, TSC must work with TN52UXCH or TN52UXCM.

3, For OSN 8800 T16 subrack, TSC must work with TN16UXCM.


Q: What is the initial version that OSN8800 can support TN55TSC?

A: It is V100R011C10, or later version can support.


Q: Why my U2000 NMS cannot recognize TN55TSC?

A: U2000 NMS and OSN8800 device software version need match with each other. Maybe your U2000 version is old.

Product Name

OSN 8800


U2000 Web LCT


Matched Version














Q: How many hardware version does TSC have?

A: TSC is available in two functional versions, namely, TN54 and TN55. The mapping between the board and equipment as below:

Board Initial Version General 8800 T64 Subrack Enhanced 8800 T64 Subrack General 8800 T32 Subrack Enhanced 8800 T32 Subrack 8800 T16 Subrack 8800 Universal Platform Subrack 6800 Subrack 3800 Chassis
TN54TSC V100R007C02 N Y N Y Y N N N
TN55TSC V100R011C10 N Y N Y Y N N N


Q: What are the differences of different hardware versions?



Board Client-Side Fixed Optical Module Client-Side Pluggable Optical Module

100G BASE-LR4-10 km-CFP

100G BASE-10×10G-10 km-CFP

(100G BASE-4×25G)/(OTU4-4×28G)-10 km-CFP


100G BASE-LR4-10 km-CF


Q: What are the board substitution relation among different versions?

A: TN54TSC can be substitute by TN55TSC, and the substitution rules are The TN55TSC can be created as TQX on the NMS. The former can substitute for the latter, without any software upgrade. After substitution, the TN55TSC functions as the TN54TSC. TN55TSC have no substitution.


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 purchase.


Q: The board is new or refurbished? 

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


Q: What is the lead time for TN55TSC board? 

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


5 reviews


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  1. Sweden
    100G client side service, upgraded from 10G TTX to 100G TSC
  2. UAE United Arab Emirates
    Quick reponse for our client issues when they use TN55TSC on OSN8800, like!
    OSN8800 full series cards price decreased much than years ago, since OSN9800 is popular, good time to expand on our OSN8800 site.
  4. Yemen
    100G board really rare, we finally sourced it at, good price, good price term, we will plan our 2021 needs and buy here.
  5. Iran (Islamic Republic of)
    So lucky that we got 2 TN55TSC card before flights to Iran cancelled, cards are urgent needed to replacethe fault TN54TSC. Should I upgrade my OSN8800 for just replace without any upgrade?
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