Description
SSRDCXLL1614 Version Description
The CXLLN is available in three functional versions, namely, R1, R2, and Q5.
Item | Description |
---|---|
Functional versions | The CXLLN is available in three functional versions, namely, R1, R2, and Q5. |
Differences |
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Substitution | The R2CXLLN can substitute for the R1CXLLN. |
SSRDCXLL1614 Functions and Features
Function and Feature | CXLLN |
---|---|
Basic functions | Transmits and receives 1xSTM-1/STM-4/STM-16 optical signals. |
Specifications of the optical interface |
The STM-1/STM-4/STM-16 optical module can be used.
NOTE: The R1CXLLN does not support the CWDM colored optical interface. |
Specifications of the optical module |
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Service processing |
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Overhead processing |
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Alarms and performance events | Reports various alarms and performance events, which facilitates the management and maintenance of the equipment. |
Protection schemes | Supports the following protection schemes:
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Maintenance features |
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SCC Unit
Function and Feature | CXLLN |
---|---|
Basic functions | Configures and monitors services, monitors the service performance, and collects the information about the performance events and alarms. |
Specifications of the interfaces |
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Maintenance features | The R1CXLLN/R2CXLLN supports the CF card, simulation package loading, and diffused loading. The capacity of a standard CF card is 512 MB, and it can be expanded to 1 GB. |
DCC processing capability | Supports channel types of D1-D1, D1-D3, and D4-D12. For details, see OAM Information Interworking. |
Fan alarm management | Manages fan alarms. |
PIU management | Supports the in-service check function for the PIU and supports the failure check function for the lightning protection module of the PIU. |
Protection schemes | Supports the 1+1 Hot Backup for the Cross-Connect, Timing and SCC Units. |
Cross-Connect Unit
Function and Feature | CXLLN |
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Basic functions |
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Fast emergency channel | Provides two 4 Mbit/s HDLC fast emergency channels, which are used for the multiplex section protection (MSP) switching, subnetwork connection protection (SNCP) switching, TPS, or other functions. |
Service processing |
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Protection schemes | Supports the 1+1 Hot Backup for the Cross-Connect, Timing and SCC Units (non-revertive, by default). |
Clock Unit
Function and Feature | CXLLN |
---|---|
Basic functions | Provides the standard system synchronization clock. |
Other functions |
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Input and output |
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SSRDCXLL1614 Working Principle and Signal Flow
The CXLLN provides service processing, service grooming, clock input/output, and communication control functions in the OptiX OSN system.
The CXL provides the other boards in the system with the timing information, processes the SDH signals, grooms the services between line boards or tributary boards, communicates with the other boards in the system, and performs the configuration and management functions for the other boards in the system.
The CXLLN processes SDH signals, controls communication, grooms services, and inputs/outputs clock signals.
The CXLLN consists of the synchronous timing module, O/E converting module, MUX/DEMUX module, SDH overhead processing module, communication and control module, cross-connect module, and power module.
SSRDCXLL1614 Valid Slots
The CXLLN must be installed in a valid slot in the subrack. Otherwise, the CXLLN cannot work normally.
The CXLLN can be installed in slots 4 and 5 in the subrack.
By default, slot 4 houses the active board and slot 5 houses the standby board.
The number code that follows the board name in the bar code is the feature code of the board. The feature code of the CXLLN indicates the type of optical interface.
SSRDCXLL1614 Feature Code
Board | Feature Code | Type of Optical Interface |
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SSR1CXLL1604, SSR2CXLL1604, SSQ5CXLL1604 | 04 | L-16.2 |
SSQ5CXLL1608 | 08 | L-16.2 |
SSR1CXLL1603, SSR2CXLL1603, SSQ5CXLL1603 | 03 | L-16.1 |
SSQ5CXLL1607 | 07 | L-16.1 |
SSR1CXLL1602, SSR2CXLL1602, SSQ5CXLL1602 | 02 | S-16.1 |
SSQ5CXLL1606 | 06 | S-16.1 |
SSR1CXLL1601, SSR2CXLL1601, SSQ5CXLL1601 | 01 | I-16 |
SSQ5CXLL1605 | 05 | I-16 |
SSR1CXLL414, SSR2CXLL414, SSQ5CXLL414 | 14 | I-4 |
SSQ5CXLL419 | 19 | I-4 |
SSR1CXLL413, SSR2CXLL413, SSQ5CXLL413 | 13 | Ve-4.2 |
SSQ5CXLL418 | 18 | Ve-4.2 |
SSR1CXLL412, SSR2CXLL412, SSQ5CXLL412 | 12 | L-4.2 |
SSQ5CXLL417 | 17 | L-4.2 |
SSR1CXLL411, SSR2CXLL411, SSQ5CXLL411 | 11 | L-4.1 |
SSQ5CXLL416 | 16 | L-4.1 |
SSR1CXLL410, SSR2CXLL410, SSQ5CXLL410 | 10 | S-4.1 |
SSQ5CXLL415 | 15 | S-4.1 |
SSR1CXLL114, SSR2CXLL114, SSQ5CXLL114 | 14 | I-1 |
SSR1CXLL113, SSR2CXLL113, SSQ5CXLL113 | 13 | Ve-1.2 |
SSR1CXLL112, SSR2CXLL112, SSQ5CXLL112 | 12 | L-1.2 |
SSQ5CXLL117 | 17 | L-1.2 |
SSR1CXLL111, SSR2CXLL111, SSQ5CXLL111 | 11 | L-1.1 |
SSQ5CXLL116 | 16 | L-1.1 |
SSR1CXLL110, SSR2CXLL110, SSQ5CXLL110 | 10 | S-1.1 |
SSQ5CXLL115 | 15 | S-1.1 |
SSRDCXLL1614 Technical Specifications
The technical specifications of the CXLLN include the parameters specified for optical interfaces, laser safety class, mechanical specifications, and power consumption.
Parameters Specified for Optical Interfaces
The CXLLN supports the STM-1, STM-4, and STM-16 optical modules.
Parameter | Value | ||||
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Nominal bit rate | 155520 kbit/s | ||||
Line code pattern | NRZ | ||||
Application code | I-1 | S-1.1 | L-1.1 | L-1.2 | Ve-1.2 |
Transmission distance (km) | 0 to 2 | 2 to 15 | 15 to 40 | 40 to 80 | 80 to 100 |
Operating wavelength range (nm) | 1260 to 1360 | 1261 to 1360 | 1263 to 1360 | 1480 to 1580 | 1480 to 1580 |
Type of fiber | Single-mode LC | Single-mode LC | Single-mode LC | Single-mode LC | Single-mode LC |
Mean launched optical power (dBm) | -15 to -8 | -15 to -8 | -5 to 0 | -5 to 0 | -3 to 0 |
Receiver sensitivity (dBm) | -23 | -28 | -34 | -34 | -34 |
Minimum overload (dBm) | -8 | -8 | -10 | -10 | -10 |
Minimum extinction ratio (dB) | 8.2 | 8.2 | 10 | 10 | 10 |
Maximum -20 dB spectral width (nm) | – | – | – | 1 | 1 |
Minimum side mode suppression ratio (dB) | – | – | – | 30 | 30 |
Parameter | Value | ||||
---|---|---|---|---|---|
Nominal bit rate | 622080 kbit/s | ||||
Line code pattern | NRZ | ||||
Application code | I-4 | S-4.1 | L-4.1 | L-4.2 | Ve-4.2 |
Transmission distance (km) | 0 to 2 | 2 to 15 | 15 to 40 | 40 to 80 | 80 to 100 |
Operating wavelength range (nm) | 1261 to 1360 | 1274 to 1356 | 1280 to 1335 | 1480 to 1580 | 1480 to 1580 |
Type of fiber | Single-mode LC | Single-mode LC | Single-mode LC | Single-mode LC | Single-mode LC |
Mean launched optical power (dBm) | -15 to -8 | -15 to -8 | -3 to -2 | -3 to -2 | -3 to -2 |
Receiver sensitivity (dBm) | -23 | -28 | -28 | -28 | -34 |
Minimum overload (dBm) | -8 | -8 | -8 | -8 | -13 |
Minimum extinction ratio (dB) | 8.2 | 8.2 | 10 | 10 | 10.5 |
Maximum -20 dB spectral width (nm) | – | – | 1 | 1 | 1 |
Minimum side mode suppression ratio (dB) | – | – | 30 | 30 | 30 |
Parameter | Value | |||
---|---|---|---|---|
Nominal bit rate | 2488320 kbit/s | |||
Line code pattern | NRZ | |||
Application code | I-16 | S-16.1 | L-16.1 | L-16.2 |
Transmission distance (km) | 0 to 2 | 2 to 15 | 15 to 40 | 40 to 80 |
Operating wavelength range (nm) | 1266 to 1360 | 1260 to 1360 | 1280 to 1335 | 1500 to 1580 |
Type of fiber | Single-mode LC | Single-mode LC | Single-mode LC | Single-mode LC |
Mean launched optical power (dBm) | -10 to -3 | -5 to 0 | -2 to +3 | -2 to +3 |
Receiver sensitivity (dBm) | -18 | -18 | -27 | -28 |
Minimum overload (dBm) | -3 | 0 | -9 | -9 |
Minimum extinction ratio (dB) | 8.2 | 8.2 | 8.2 | 8.2 |
Maximum -20 dB spectral width (nm) | – | 1 | 1 | 1 |
Minimum side mode suppression ratio (dB) | – | 30 | 30 | 30 |
Parameter | Value |
---|---|
CWDM | |
Nominal bit rate | 2488320 kbit/s |
Type of fiber | Single-mode LC |
Transmission distance (km) | 80 |
Launched optical power range (dBm) | 0 to 5 |
Operating wavelength range (nm) | 1471 to 1611, in steps of 20 |
Receiver sensitivity (dBm) | -28 |
Minimum overload (dBm) | -9 |
Maximum allowed dispersion (ps/nm) | 1600 |
Minimum extinction ratio (dB) | 8.2 |
Maximum -20 dB spectral width (nm) | 1 |
Minimum side mode suppression ratio (dB) | 30 |
Parameter | Value |
---|---|
DWDM | |
Nominal bit rate | 2488320 kbit/s |
Type of fiber | Single-mode LC |
Transmission distance (km) | 120 |
Launched optical power range (dBm) | 0 to 4 |
Central frequency (THz) | 192.10 to 196.00 |
Central frequency deviation (GHz) | ±10 |
Receiver sensitivity (dBm) | -28 |
Minimum overload (dBm) | -9 |
Maximum allowed dispersion (ps/nm) | 2400 |
Minimum extinction ratio (dB) | 8.2 |
Maximum -20 dB spectral width (nm) | 0.3 |
Minimum side mode suppression ratio (dB) | 30 |
Parameter | Value | |
---|---|---|
Nominal bit rate | 2488320 kbit/s | |
Line code pattern | NRZ | |
Type of optical interface | S-16.1 | S-16.1 |
Transmission distance (km) | 2 to 15 | 2 to 15 |
Type of fiber | Single-mode LC | Single-mode LC |
Operating transmit wavelength (nm) | 1490 | 1310 |
Operating receive wavelength (nm) | 1310 | 1490 |
Launched optical power range (dBm) | -5 to 0 | -5 to 0 |
Receiver sensitivity (dBm) | -18 | -18 |
Minimum overload (dBm) | 0 | 0 |
Maximum allowed dispersion (ps/nm) | – | – |
Minimum extinction ratio (dB) | 8.2 | 8.2 |
Maximum -20 dB spectral width (nm) | – | – |
Minimum side mode suppression ratio (dB) | – | – |
Laser Safety Class
The safety class of the laser on the board is Class 1. The maximum launched optical power of the optical interfaces is less than 10 dBm (10 mW).
Mechanical Specifications
The mechanical specifications of the CXLLN are as follows:
- Dimensions (mm): 25.4 (W) x 235.2 (D) x 261.4 (H)
- Weight of the R1CXLLN (kg): 1.0
- Weight of the Q5CXLLN (kg): 1.0
Power Consumption
The maximum power consumption of the R1CXLLN at room temperature (25°C) is 48 W.
The maximum power consumption of the R2CXLLN at room temperature (25°C) is 28 W.
The maximum power consumption of the Q5CXLLN at room temperature (25°C) is 32 W.
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