Protection requirements

The LSXLR single board belongs to the wavelength conversion relay board, which is applied to the electrical relay station in the system to realize the electrical relay function of OTU3/OTU3e optical signals.
The application of LSXLR single board in WDM system is shown in Figure 1.
Figure 1 Application of LSXLR single board in WDM system
The single-board specifications include optical module specifications, single-board size, weight, and power consumption.
| Board Name | Wavelength Division Side Fixed Optical Module | Wavelength Division Side Pluggable Optical Module |
|---|---|---|
| TN11LSXLR |
500ps/nm-C band-adjustable wavelength-ODB-PIN 400ps/nm-C band-adjustable wavelength-(D)RZ-PIN |
N/A |
| TN12LSXLR |
500ps/nm-C band - tunable wavelength - DQPSK-PIN 500ps/nm-C band - tunable wavelength - ODB-PIN |
N/A |
| Item | Unit | Indicator value | ||
|---|---|---|---|---|
| Optical module type | 500ps/nm-C band-tunable wavelength-DQPSK-PIN | 500ps/nm-C band-adjustable wavelength-ODB-PIN | 400ps/nm-C band - tunable wavelength - (D)RZ-PIN | |
| Optical Line Code Type | -DQPSK | DQPSK | ODB | (D)RZ |
| Transmitter characteristics at point S | ||||
| Nominal center frequency | THz | 192.10~196.05 | 192.10~196.05 | 192.10~196.00 |
| Maximum average transmission power | dBm | 0 | 0 | 0 0 |
| Minimum Average Transmit Power | dBm | -5 | -5 dBm | -5 -5 |
| Minimum extinction ratio | dB | N/A | 8.2 | 8.2 |
| Center Frequency Offset | GHz | ±2.5 | ±2.5 | ±5 |
| Maximum -20dB spectral width | nm | N/A | 0.6 | N/A 0.6 |
| Maximum -3dB spectral width | nm | 0.3 | N/A | N/A |
| Dispersion tolerance (back to back) | ps/nm | ±500 | ±500 | ±400 |
| Receiver Characteristics at R Point | ||||
| Receiver Type | -PIN | PIN | PIN | PIN |
| Receiving wavelength range | nm | 1529~1561 | 1529~1561 | 1529~1561 |
| Receiving sensitivity (FEC on) EOL value | dBm | -dBm | -16 dBm | -16 |
| Minimum Overload Point (Open FEC) | dBm | 0 | 0 | 0 |
| Maximum reflection coefficient | dB | -27 | -27 | 27 -27 |
| Board Name |
WDM Side Module Type |
Typical power consumption of single board(W) | Maximum power consumption of single boarda(W) |
|---|---|---|---|
| TN11LSXLR |
400ps/nm-C band-Adjustable wavelength-(D)RZ-PIN |
87.0 | 90.0 |
|
500ps/nm-C band-tunable wavelength-ODB-PIN |
82.0 | 85.0 | |
| TN12LSXLR |
500ps/nm-C-Band-Tunable Wavelength-DQPSK-PIN |
75.0 | 79.0 |
|
500ps/nm-C-Band-Tunable-Wavelength-ODB-PIN |
67.0 | 70.0 | |
| a:Maximum power consumption refers to the value measured at the highest ambient temperature during normal operation of the device. | |||