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Huawei OptiX OSN500 21E12 S4.1 DC

Huawei OptiX OSN500 21E12 S4.1 DC

PN: 03052121
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Huawei MSTP OSN500 with 21E12 S-4.1 SFP DC Power Supply
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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.

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


Includes OSN 500 Subrack, 2 PCS Power Cable, 1 PCS Earth Cable, 2 PCS Mount Ear, accessory Package

Supports the higher-order full cross-connections of 21.25 Gbit/s or lower-order full cross-connections of 5 Gbit/s.

Supports service interfaces, network management (NM) interfaces, and auxiliary interfaces.

Supports 1+1 and 1:N (N≤5) linear multiplex section protection (MSP)

Supports Multiplex section protection ring (MSP ring)

Supports Sub-network connection protection (SNCP)

Supports terminal multiplexer (TM) and add/drop multiplexer (ADM).

Supports a chain or ring network by using the STM-1/STM-4 optical interfaces.

Supports three communication protocols and transparent transmission of the DCC through the external clock interface.

Supports of the non-synchronization status message (SSM), standard SSM, and extended SSM clock protocol.

Supports Input/output of one 120-ohm external clock source, Line clock source, Tributary clock source.

Supports Three working modes: trace, hold-over, and free-run, Tributary retiming.

Supports 1+1 equipment level protection for the input power.

Supports LCAS, STP, RSTP, and LPT protection for the Ethernet services.

Huawei OSN500 is a STM-4 level MSTP, supports a chain or ring network by using the STM-1/STM-4 optical interfaces. Besides OSN 500, also provide larger capacity OSN3500, OSN 7500, if your service requirement is STM16 level, we can provide OSN 1500, OSN 2500.

Tech Specs
Cross-connect CapacityHigher-order full cross-connections of 21.25 Gbit/Lower-order full cross-connections of 5 Gbit/s.
Service Slots3 slots for processing boards
Supported interfacesSDH interfacesSTM-1 optical interface: S-1.1, L-1.1 and L-1.2
STM-4 optical interface: S-4.1, L-4.1 and L-4.2
PDH interfaces75-ohm/120-ohm E1 electrical interface
100-ohm T1 electrical interface
75-ohm E3/T3 electrical interface
Ethernet interfaces10/100BASE-T(X), 1000BASE-T
Maximum Number of
Services Supported by a Single Subrack
Service InterfaceMaxService InterfaceMax

Power SupplyDC: -48V DC or -60V DC
AC: 220V/110V AC
Clock Synchronization120-ohm external clock source
Line clock source
Tributary clock source
Auxiliary InterfaceF2 transparent data interface
Local modem interface/Remote NM interface
Mechanical Specification
Dimensions(mm)442 (H) x 220 (W) x 44 (D)


Q: Do you have U2000 NMS If I buy OSN 500 from you?

A: Yes, we can share U2000 software package to our customers for free.

Q: Do you have U2000 NMS License If I buy OSN 500 from you?

A: Yes, we provide to our customer U2000 license for test purpose, not for commercial use.


1 review


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  1. Serbia
    What version of WEB LCT suppports SDH OSN 500 controling and management and how to download it.
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