Huawei OSN1500 2500 3500 7500 1-port STM-16 2.5G optical interface board SSN3SL16A04 equipped with 1 L-16.2 80km SFP module.

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PN: 03052447 Category:
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STM-16 Optical Interface Board(L-16.2,LC)

Apply to OSN 1500, OSN 2500, OSN 3500, OSN 7500 equipment to transmit.

Receive STM-16 optical signals, at transit range at 40~80km.

Supports the CWDM and DWDM colored optical interfaces.

Supports the PRBS function in the line direction and Cause by Cross function.

Can substitute for the SSN1SL16A(L-16.2,LC), when the AU-3 services are not configured

Can substitute for the SSN2SL16A(L-16.2,LC)

Supports different types of standard optical interfaces, namely, the I-16, S-16.1, L-16.1, and L-16.2.

Supports the detection and query of the information about the optical module.

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

Supports the usage and monitoring of the SFP optical module.

Supports the VC-12 services, VC-3 services, VC-4 services.

Support VC-4-4c concatenation services, VC-4-8c concatenation services, and VC-4-16c concatenation services.

Supports the transparent transmission and termination of the path overheads.

Supports the setting and query of the J0, J1, J2, and C2 bytes.

Supports one channel of ECC communication.

Supports the Two-fiber ring MSP, Four-fiber ring MSP, Linear MSP, SNCP, SNCMP, SNCTP.

Supports the fiber-shared virtual trail protection.

Supports the fiber-shared MSP and processes two sets of K bytes.

Supports a maximum of two MSP rings.

Supports inloops and outloops at optical interfaces.

Supports inloops and outloops on VC-4 paths.

Supports warm resets and cold resets. The warm reset does not affect services.

Supports the query of the manufacturing information of the board.

Supports the in-service loading of the FPGA.

Supports the TCM function.

Supports the upgrade of the board software without affecting services.

Supports the PRBS function in the line direction and Cause by Cross function.

Supports the press-to-collect function in fault data collection.


SSN3SL16A(L-16.2,LC) is a 1-port STM-16 optical interface board, can be used on Huawei OSN1500, OSN 2500, OSN 3500, OSN7500. SSN3SL16A(L-16.2,LC) part number is 03052447, model name is SSN3SL16A04, SSN3SL16A09.SSN3SL16A(L-16.2,LC) comes with 1 unit L-16.2 SFP module, transmission distance is 80km. SFP module is swappable to perform different transmission distance.

Tech Specs
Front Panel
The number code that follows the board name in the bar code is the feature code of the board. The feature code of the SSN3SL16A(L-16.2,LC) indicates the type of optical interface.

Valid slot
OSN 1500B: SSN3SL16A(L-16.2,LC) can be installed in slots 11-13.

OSN 2500: When the cross-connect boards are CXLN: the SSN3SL16A(L-16.2,LC) can be installed in slots 7,8,11,12; When the cross-connect boards are CXLLN: the SSN3SL16A(L-16.2,LC) can be installed in slots 5-8 and 11-13.

OSN 3500: When the cross-connect boards are IXCS and SXCA: the SSN3SL16A(L-16.2,LC) can be installed in slots 5-8 and 11-14.

OSN 7500: When the cross-connect boards are T1PSXCSA, T1SXCSA and T1IXCSA: the SSN3SL16A(L-16.2,LC) can be installed in slots 1-8, 11-18 and 26-31.

Feature Code
The feature code of the SSN3SL16A(L-16.2,LC) indicates the type of optical interface.
Board Feature Code Type of Optical Interface
SSN3SL16A04 04 L-16.2
SSN3SL16A09 09 L-16.2
Optical interface parameters
Parameter Value
Nominal bit rate 2488320 kbit/s
Line code pattern NRZ
Application code L-16.2
Transmission distance (km) 40 to 80
Type of fiber Single-mode LC
Operating wavelength range (nm) 1500 to 1580
Launched optical power range (dBm) -2 to +3
Receiver sensitivity (dBm) 28
Minimum overload (dBm) -9
Dispersion tolerance (ps/nm) 1600
Minimum side mode suppression ratio (dB) 8.2
Maximum -20 dB spectral width (nm) 1
Mechanical Specifications
Dimensions (mm) 25.4 (W) x 235.2 (D) x 261.4 (H)
Weight (kg) 0.9
Additional information
Weight 3.0 kg
Dimensions 37.5 × 34.0 × 7.5 cm



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Q: What the difference between different functional version?

A: SL16A is available in three functional versions, namely, N1, N2, and N3, The N1SL16A and N2SL16A are discontinued. The difference as below:

N1 N2 N3
Color Interface(CWDM, DWDM, U-16.2Je) Not supported Not supported Supported
AU-3 service Not supported Supported Not supported
REG fuction Not supported Supported Supported
inloops on VC-4 paths Supported Not supported supported
outloops on VC-4 paths Not supported Not supported Supported
TCM function Not supported Supported Supported
Detection and query of voltage Not supported Not supported Supported


Q: What the board substitution relation among different versions?

A:The N3SL16A can substitute for the N1SL16A. When the AU-3 services are not required, the N3SL16A can substitute for the N2SL16A.


Q: What is the difference between different function code?


Board Feature Code Optical Interface Transmission Distance
SSN1SL16A01,SSN2SL16A01,SSN3SL16A01 01 I-16 2km
SSN1SL16A02,SSN2SL16A02,SSN3SL16A02 02 S-16.1 15km
SSN1SL16A03,SSN2SL16A03,SSN3SL16A03 03 L-16.1 40km
SSN1SL16A04,SSN2SL16A04,SSN3SL16A04 04 L-16.2 80km
SSN3SL16A06 06 I-16 2km
SSN3SL16A07 07 S-16.1 15km
SSN3SL16A08 08 L-16.1 40km
SSN3SL16A09 09 L-16.2 80km
SSN3SL16A010 10 U-16.2Je 170km
SSN3SL16A011 11 U-16.2Je 170km


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 use compatible SFP module on SSN3SL16A(L-16.2,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 SSN3SL16A(L-16.2,LC) board?

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

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