Huawei Metro 1000 1-port STM-4 622M optical interface board SS48OI4 equipped with 1 S-4.1 15km SFP module

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1xSTM-4 Optical Interface Board(S-4.1,LC)

Apply to Huawei Metro 1000 to transmit/receive 1xSTM-4 optical signals, at Max distance 15km.

The boards that have optical interfaces of the same type can be substituted with each other.

Provides the automatic laser shutdown (ALS) function.

The optical interface supports the function of setting the on/off state of a laser.

Supports the processing of the VC-12, VC-3, and VC-4 services.

Processes higher order path overheads.

Supports the setting of K-byte reporting, K-byte transmitting, and Kbyte passing-through.

Support the transparent data communication channel (DCC) and orderwire byte channel.

Supports the setting and querying of the J0/J1/C2 byte.

Supports the multiplex section protection (MSP) in slots IU1, IU2, andIU5.

Supports the sub-network connection protection (SNCP).

Supports inloop and outloop at optical interfaces.

Supports inloop and outloop on VC-4 paths so that faults can be located quickly.

Supports the setting of the overhead byte to be sent/received.

Supports setting of enabled state of synchronization status message (SSM) on line optical interface.

Supports the pass-through test of the line K bytes.

Supports the setting of the bit error threshold-crossing values and degrade thresholds.

Provides the ALS function.


SS48OI4(S-4.1,LC) is a 1-port STM-4 optical interface board, can be used on Huawei Metro1000. SS48OI4(S-4.1,LC) part number is 03051308, model name is SS48OI402. SS48OI4(S-4.1,LC) comes with 1 unit S-4.1 SFP module, transmission distance is 15km. SFP module is swappable to perform different transmission distance.

Tech Specs
Valid Slot
The SS48OI4(S-4.1,LC) can be installed in slot IU1, IU2, or IU3 in the Metro 1000 subrack.
Optical Interface Parameter
Nominal bit rate 622.08 Mbit/s
Line code pattern NRZ
Application code S-4.1
Maximum transmission distance(km) 15
Type of fiber Single-mode LC
Operating wavelength(nm) 1310
Launched optical power range (dBm) –15 to –8
Receiver sensitivity (dBm) -28
Power consumption (W) 9
Mechanical Specifications
Dimensions (mm) 89.0 (W) x 218.5 (D) x 24.0 (H)
Weight (kg) 0.2


Additional information
Weight 2.0 kg
Dimensions 18.7 × 34.0 × 7.5 cm



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Q: What’s the difference between different functional versions?

A: The OI4 is available in two functional versions, namely, SS42, SS44, SS48, and SS49. The differences are as below:

  • SS42OI4 and SS44OI4 use SC optical interface and support optical interfaces of Ie-4, S-4.1, L-4.1, and L-4.2 types.
  • SS48OI4 and SS49OI4 use SFP optical interface and support optical interfaces of the S-4.1, L-4.1, and L-4.2 types.


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

A: The boards that have the optical interfaces of the same type can be substituted with each other.


Q: What is the difference between different function codes?


Board Feature Code Optical Interface Transmission Distance(km)
SS48OI402 02 S-4.1 15
SS48OI403 03 L-4.1 40
SS48OI404 04 L-4.2 80


Q: Can I change SFP module to reach longer transmission distance?

A: Yes, you can, please contact sales team, for available SFP module and cost.


Q: Can I equip different specification SFP module on different port, to perform different transmission distance for each port?

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


Q: Can I use compatible SFP module on SS48OI4(S-4.1,LC) board?

A: Yes, you can, the board might generate alarm, but it won’t affect use.


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: The board is new or refurbished?

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


Q: Do you sell SFP module separately?

A: Yes, we do.


Q: What is the lead time for SS48OI4(S-4.1,LC) board?

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

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