SSN4SL64(P1L1-2D2,LC), also named as SSN4SL6403, 1xSTM-64 Optical Interface Board(P1L1-2D2,LC) is a available in the following functional versions:N4, N3, N2 and N1.
The SSN4SL64(P1L1-2D2,LC) is a line board, which can be used on the OptiX OSN equipment series to transmit and receive STM-64 optical signals. The SSN4SL64(P1L1-2D2,LC) converts the received optical signals into electrical signals and sends the electrical signals to the cross-connect side. In addition, the SSN4SL64(P1L1-2D2,LC) converts the electrical signals sent from the cross-connect side into optical signals and transmits the optical signals.
The slots valid for the SSN4SL64(P1L1-2D2,LC) vary with the cross-connect capacity of the subrack.
When the cross-connect capacity is 200 Gbit/s, the SSN4SL64(P1L1-2D2,LC) can be installed in slots
5-8 and 11-14 in Huawei OSN3500 subrack.
The feature code of the SSN4SL64(P1L1-2D2,LC) indicates the type of optical interface.
The feature code of SSN4SL64(P1L2-2D2) is 03, stand for the type of Optical Interface is P1L1-2D2, that why in some document like Huawei quotation, it also called SSN4SL6403. Following the same rule, Huawei SSN1SL64(LS-64.2) feature code is 04, so it also named SSN1SL6404.
When you looking for a Huawei elder version board (LS-64.2), actually (P1L1-2D2) is completely substitute for it. According to Huawei’s technical guideline, (LS-64.2) is only available on two versions, which is N1 and N2, now all discontinued. Instead, Huawei introduce SSN4SL64(P1L1-2D2) into the market. Please find the optical specification comparison between (LS-64.2) and (P1L1-2D2).
Application code | Ls-64.2 | P1L1-2D2 |
Transmission distance (km) | 55 to 80 | 40 to 80 |
Type of fiber | Single-mode LC | Single-mode LC |
Operating wavelength range (nm) | 1530 to 1565 | 1530 to 1565 |
Mean launched optical power (dBm) | 4 to 7 | 0 to 4 |
Receiver sensitivity (dBm) | -21 | -24 |
Minimum overload (dBm) | -8 | -7 |
Minimum extinction ratio (dB) | 8.2 | 9 |
Dispersion tolerance (ps/nm) | 1600 | 1600 |
Maximum -20 dB spectral width (nm) | 1 | 1 |
Minimum side mode suppression ratio (dB) | 30 | 30 |
So when you facing a transmission solution between 40~80km, with STM-64 level, may be you currently using SSN1SL64(LS-64.2) and need expansion more directions, but Huawei stopped manufacture SSN1SL64(LS-64.2), then SSN4SL64(P1L1-2D2) is also a right choice.
For new equipment deployment, directly choose (P1L1-2D2) as a recommendation; But if for existing OSN3500 expansion, one thing need to confirm before this substitution, the system version that is. You may meet a problem with new inserted (P1L1-2D2) can’t be recognize by your OSN3500, don’t worry that would be cause by GSCC software version in your OSN3500. In case to avoid with this, please contact with us at info@thunder-link.com, with your existing OSN3500 version, our technical team can verify the compatibility on it.
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