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The Huawei OSN2500 SSQ2CXL4 receives and transmits one STM-4 optical signal. Provides rich alarms and performance events for easy device management and maintenance. Supports VC-12/VC-3/VC-4 services and VC-4-4c cascade services. Supports I-4, S-4.1, L-4.1, L-4.2 and Ve-4.2 standard optical modules.
Huawei OSN2500 SSQ2CXL4Single Board Feature Code
The single-board characterization code is the code located after the single-board name in the single-board barcode.The single-board characterization code of CXL4 is used to describe the type of optical interface.
The relationship between the CXL4's single-board characterization code and the type of optical interface is shown in Table 1.
| Single-board bar code | Characterization Code | Optical interface type |
|---|---|---|
| ssq3cxl410, ssq2Cxl410 | 10 | S-4.1 |
| ssq3cxl411, ssq2Cxl411 | 11 | L-4.1 |
| ssq3cxl412, ssq2Cxl412 | 12 | SSQ3CXL412, SSQ2CXL412 12 L-4.2 |
| ssq3cxl413, ssq2Cxl413 | 13 | Ve-4.2 |
| ssq3cxl414, ssq2Cxl414 | 14 | I-4 |
Single Board Maintenance
Introduces the fault phenomena that may occur in the operation of the veneer, and gives the basic ways of troubleshooting and precautions.
Huawei OSN2500 SSQ2CXL4Troubleshooting
The common fault phenomena and processing methods of the CXL4 single board are shown in Table 1.
| Fault phenomena | Common Failure Causes | Troubleshooting methods |
|---|---|---|
| Service does not work |
|
See Business Configuration Not Available. |
| Clock tracking does not work |
|
See clock tracking not working. |
| ECC not working |
|
|
| There is a power alarm | The jumper setting for the device to use the input voltage is incorrect. | Check that the jumper settings used to set the input voltage used by the device are correct, for jumper settings, refer to Dialing Codes and Jumpers. |
| Connection between the network management computer and the device failed |
|
|
Replacing the Single Board
Before replacing a veneer, see Notes to review veneer replacement notes.
See Replacing the CXL Single Board for the method of replacing the CXL4 single board.
Huawei OSN2500 SSQ2CXL4Technical Specifications
The CXL4 single board metrics contain optical interface metrics, laser safety level, mechanical metrics, and power consumption.
Huawei OSN2500 SSQ2CXL4Optical Interface Metrics
The optical interface metrics of the CXL4 single board are shown in Table 1.
| Item | Indicator Value | ||||
|---|---|---|---|---|---|
| Nominal bit rate | 622080 kbit/s | ||||
| Line code type | NRZ coded signal | ||||
| Optical interface type | I-4 | S-4.1 | L-4.1 | L-4.2 | Ve-4.2 |
| Transmission distance (km) | 0～2 | 2～15 | 15～40 | 40～80 | 80～100 |
| Operating wavelength range (nm) | 1261～1360 | 1274～1356 | 1280～1335 | 1480～1580 | 1480～1580 |
| Fiber Type | Single-mode LC | Singlemode LC | Singlemode LC | Singlemode LC | Singlemode LC |
| Transmit optical power range (dBm) | -15 to -8 | -15 to -8 | -3 to 2 | -3 to 2 | -3 to -2 |
| Optical reception sensitivity (dBm) | -23 | -28 | -28 | -28 | -34 |
| Minimum Overload Point (dBm) | -8 | -8 | -8 -8 | -8 -8 | -13 |
| Minimum extinction ratio (dB) | 8.2 | 8.2 | 10 | 10 | 10.5 |
| Maximum -20dB spectral width (nm) | - | - | 1 | 1 | 1 |
| Minimum Side-Mode Rejection Ratio (dB) | - - - - - - - - - - - - - - - - - - - - - - - | - | 30 | 30 | 30 |
Laser Safety Class
The single-board laser safety level is CLASS 1. The maximum output optical power of the single-board optical port is less than 10 dBm (10 mW).
Mechanical Specifications
The mechanical specifications of CXL4 veneer are as follows:
- Veneer size: 25.4mm (W) x 235.2mm (D) x 261.4mm (H)
- Weight of Q2CXL4: 1.1kg
- Weight of Q3CXL4: 1.2kg
Power consumption
The maximum power consumption of the CXL4 veneer at room temperature (25°C) is 40W.
