Huawei OSN1500 2500 3500 7500 1-port STM-16 2.5G optical interface board SSN3SL1602 equipped with 1 L-16.2Je 100km SFP module

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PN: 03030EPX Category:
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Apply to Huawei OSN 1500, OSN 2500, OSN 3500, OSN 7500 to transmit/receive STM-16 optical signals, at transit range at 80~100km.

Supports the CWDM and DWDM colored optical interfaces.

Supports the setting and query of the REG working mode.

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

Can substitute for the SSN1SL16(L-16.2Je,LC), when the AU-3 services are not configured

Can substitute for the SSN2SL16(L-16.2Je,LC)

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 VC-12 services, VC-3 services, VC-4 services, VC-4-4c concatenation services.

Supports 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 a maximum of two MSP protection rings.

Supports one channel of ECC communication.

Supports the setting and query of the REG working mode.

Supports the two-fiber ring MSP, four-fiber ring MSP, linear MSP,SNCP, SNCMP, and SNCTP.

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

Supports inloops and outloops at optical interfaces.

Supports inloops and outloops on paths.

Supports warm resets and cold resets.

Supports the query of the manufacturing information of the board.

Supports the in-service loading of the FPGA.

Supports the PRBS function.

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


SSN3SL16 is a 1-port STM-16 optical interface board, can be used on Huawei OSN1500, OSN 2500, OSN 3500, OSN7500. SSN3SL16(L-16.2Je,LC) part number is 03030EPX, model name is SSN3SL1602.SSN3SL16(L-16.2Je,LC) comes with 1 unit L-16.2Je SFP module, transmission distance is 100km. 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 SSN3SL16(L-16.2Je,LC) indicates the type of optical interface.

Valid slot
OSN 1500B: SSN3SL16(L-16.2Je,LC) can be installed in slots 11-13.

OSN 2500: When the cross-connect boards are CXLN: SSN3SL16(L-16.2Je,LC) can be installed in slots 7,8,11,12; When the cross-connect boards are CXLLN: SSN3SL16(L-16.2Je,LC) can be installed in slots 5-8 and 11-13.

OSN 3500: When the cross-connect boards are IXCS and SXCA: SSN3SL16(L-16.2Je,LC) can be installed in slots 5-8 and 11-14.

OSN 7500: When the cross-connect boards are T1PSXCSA, T1SXCSA and T1IXCSA: the SSN3SL16(L-16.2Je,LC) can be installed in slot 1-8, 11-18 and 26-31.

Feature Code
The feature code of the SSN3SL16(L-16.2Je,LC) indicates the type of optical interface.
Board Feature Code Type of Optical Interface
SSN3SL1602 02 L-16.2Je
Optical interface parameters
Parameter Value
Nominal bit rate 2488320 kbit/s
Line code pattern NRZ
Application code L-16.2Je
Transmission distance (km) 80 to 100
Type of fiber Single-mode LC
Operating wavelength range (nm) 1530 to 1560
Launched optical power range (dBm) -2 to +3
Dispersion tolerance (ps/nm) 2000
Minimum extinction ratio (dB) 8.2
Mechanical Specifications
Dimensions (mm) 25.4 (W) x 220 (D) x 254.1 (H)
Weight (kg) 1.1
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: SL16 is available in three functional versions, namely, N1, N2, and N3, The N1SL16 and N2SL16 are discontinued. The difference as below:

N1 N2 N3
Color Interface(DWDM) Not supported Not supported Supported
AU-3 service Not supported Supported Not supported
REG function Not supported Supported Supported
inloops and outloops on VC-4 paths Supported Not supported Supported
TCM function Not supported Supported Supported
Detection and query of the voltage. Not supported Not supported Supported


Q: What the board substitution relation among different versions?

A:The N3SL16 can substitute for the N1SL16. When the AU-3 services are not required, the N3SL16 can substitute for the N2SL16.


Q: What is the difference between different function code?


Board Feature Code Optical Interface Transmission Distance
SSN1SL1600,SSN3SL1600 00 Fixed-wavelength optical interface
01 L-16.2 80km
02 L-16.2Je 100km
03 V-16.2Je 140km
04 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 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 SSN3SL16(L-16.2Je,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 SSN3SL16(L-16.2Je,LC) board?

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

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