SSQ2CXL1612

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SKU4315
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Huawei OSN 1500B STM-16 SCC unit, Clock and Line units, Integrated Cross-connect Board,STM-16 2.5G line board with 1 L-16.2 80km SFP module

Description

SSQ2CXL1612 Version Description

The CXL16 is available in several functional versions. The functions provided by the functional versions are different.

 

Item Description
Functional versions The CXL16 is available in two functional versions, namely, Q2 and Q3. The Q3CXL16 is discontinued.
Differences
  • Specifications of optical interfaces: CWDM/DWDM colored optical interfaces.
  • Specifications of optical modules: single-fiber bidirectional optical modules.
  • Interface specifications: receipt of NE ID check results.
  • Maintenance features: CF cards.
  • DCC processing capability.
  • Others: transparent transmission of DCC overhead information over external clock interfaces.
Substitution The Q5CXLLN can substitute for the Q2CXL16 that operates at the same line rate by using the board version replacement function, but active and standby boards must be the same, Q5CXLLN boards or Q2CXL16 boards.
SSQ2CXL1612 Application

 

The CXL16 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.

SSQ2CXL1612 Functions and Features

 

The CXL16 processes SDH signals, controls communication, grooms services, and inputs/outputs clock signals.

 

SDH Processing Unit

 

Function and Feature CXL16
Basic functions Transmits and receives 1xSTM-16 optical signals.
Specifications of the optical interface Supports different types of standard optical interfaces, namely, the I-16, S-16.1, L-16.1, and L-16.2.

The Q2CXL16 supports the CWDM colored optical interface, which supports the transmission distance of 80 km.

The Q2CXL16 supports the DWDM colored optical interface, which supports the transmission distance of 120 km.

Specifications of the optical module
  • Supports the detection and query of the information about the optical module.
  • Provides the ALS function. The optical interface supports the setting of the on/off state of a laser.
  • The Q2CXL16 supports the single-fiber bidirectional optical module, and the single-fiber bidirectional optical module does not support loopbacks at the optical interface by using fiber jumpers.
Service processing Supports the VC-12 services, VC-3 services, VC-4 services, VC-4-4c concatenation services, VC-4-8c concatenation services, and VC-4-16 concatenation services.
Overhead processing
  • Processes the section overheads of the STM-16 signals.
  • Supports the transparent transmission and termination of the path overheads.
  • Supports the setting and query of the J0, J1, and C2 bytes.
  • Supports one channel of ECC communication.
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:

  • Two-fiber ring MSP
  • Four-fiber ring MSP
  • Linear MSP
  • SNCP
  • SNCMP
  • SNCTP
  • Fiber-Shared Virtual Trail Protection
Maintenance features
  • Supports inloops and outloops at optical interfaces.
  • Supports warm resets and cold resets. The warm reset does not affect services.
  • Supports the query of the manufacturing information of the board.
  • Supports the in-service loading of the FPGA.
  • Supports the upgrade of the board software without affecting services.

SCC Unit

 

Function and Feature CXL16
Basic functions Configures and monitors services, monitors the service performance, and collects the information about the performance events and alarms.
Specifications of the interfaces
  • Provides one 10M/100M compatible Ethernet NM interface, which is accessed through the AUX.
  • Provides the RS232 OAM interface, which is accessed through the AUX and is used for connecting a PC or workstation. Supports the remote maintenance by using the RS232 DCE modem.
  • Provides one orderwire interface, which is accessed through the EOW.
  • Provides four broadcast data ports (serial1-4), which are accessed through the EOW.
Maintenance features The Q3CXL16 supports the CF card, simulation package loading, and diffused loading. The CF card is hot swappable. The capacity of a standard CF card is 512 MB and 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 CXL16
Basic functions
  • Higher order cross-connect capacity: 20 Gbit/s
  • Lower order cross-connect capacity: 20 Gbit/s
  • Access capacity: 15 Gbit/s
Fast emergency channel Provides two 4 Mbit/s HDLC fast emergency channels, which are used for the MSP switching, SNCP switching, TPS, or other functions.
Service processing
  • Dynamically grooms services.
  • Adds or deletes services without interrupting other services.
  • Supports the SNCP protection at the VC-4, VC-3 and VC-12 levels.
  • Supports the VC4-4c, VC4-8c, and VC4-16c concatenation services.
  • Supports a maximum of 12 linear MSP protection groups.
  • Supports a maximum of 9 ring MSP protection groups.
  • Q3CXL16: Supports a maximum of 1184 SNCP protection groups.
  • Q2CXL16: in V100R010C02/V100R010C03 versions, supports a maximum of 2016 SNCP groups; in V100R010C00/V100R010C01 versions, supports a maximum of 1184 SNCP groups.
  • Supports a maximum of 592 SNCMP protection groups.
  • Supports a maximum of 512 SNCTP protection groups.
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 CXL16
Basic functions Provides the standard system synchronization clock.
Other functions
  • Supports the extraction, insertion, and management of the SSM and clock ID.
  • The Q3CXL16 supports the transmission of the DCC overhead information at two external clock interfaces.
Input and output
  • Inputs two-channel 2048 kHz or 2048 kbit/s timing signals and selects the external timing source.
  • Outputs two-channel 2048 Hz or 2048 kbit/s timing signals.
SSQ2CXL1612 Valid Slots

 

The CXL16 must be installed in a valid slot in the subrack. Otherwise, the CXL16 cannot work normally.

The CXL16 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.

 

SSQ2CXL1612 Feature Code

 

The number code that follows the board name in the bar code is the feature code of the board. The feature code of the CXL16 indicates the type of optical interface.

Board Feature Code Type of Optical Interface
SSQ3CXL1601 and SSQ2CXL1601 01 I-16
SSQ3CXL1602 and SSQ2CXL1602 02 S-16.1
SSQ3CXL1603 and SSQ2CXL1603 03 L-16.1
SSQ3CXL1604 and SSQ2CXL1604 04 L-16.2

 

 

SSQ2CXL1612 Parameter Settings

 

The physical slot that houses the CXL16 is different from the logical slot displayed on the U2000. You can set parameters for the CXL16 by using the U2000.

 

SSQ2CXL1612 Displayed Slots

The CXL16 occupies one slot in the subrack.

The logical boards for the CXL16 are the Q1SL16, EXCL, and GSCC.

 

Board Logical Board Logical Slot
CXL16 Q1SL16 Slot 4 or slot 5
ECXL Slot 80 or slot 81
GSCC Slot 82 or slot 83

 

SSQ2CXL1612 Board Parameters

 

You can set the following main parameters for the CXL16 by using the U2000:

  • J0 byte
  • J1 byte
  • C2 byte
  • Clock parameters

 

SSQ2CXL1612 Technical Specifications

 

The technical specifications of the CXL16 include the parameters specified for optical interfaces, laser safety class, mechanical specifications, and power consumption.

 

Parameters Specified for Optical Interfaces

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
Dispersion tolerance (ps/nm) 12 1600
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
Optical Interface Parameter
Parameter Value
Higher order cross-connect capacity 20 Gbit/s
Lower order cross-connect capacity 20 Gbit/s
Access capacity 18.75 Gbit/s
Nominal bit rate 2488320 kbit/s
Line code pattern NRZ
Application code L-16.1
Transmission distance (km) 50 to 80
Type of fiber Single-mode LC
Operating wavelength range (nm) 1500 to 1580
Launched optical power range (dBm) -2 to 3
Receiver sensitivity (dBm) -28
Minimum overload (dBm) -9
Minimum extinction ratio (dB) 8.2
Maximum -20 dB spectral width (nm) 1
Minimum side mode suppression ratio (dB) 30
Mechanical Speifications
Dimensions (mm) 25.4 (W) x 220 (D) x 254.1 (H)
Weight (kg) 1.1

Additional information

Weight 3.0000 kg
Dimensions 37.5000 × 34.0000 × 7.5000 cm
Optical Interface Parameter
Parameter Value
Higher order cross-connect capacity 20 Gbit/s
Lower order cross-connect capacity 20 Gbit/s
Access capacity 18.75 Gbit/s
Nominal bit rate 2488320 kbit/s
Line code pattern NRZ
Application code L-16.1
Transmission distance (km) 50 to 80
Type of fiber Single-mode LC
Operating wavelength range (nm) 1500 to 1580
Launched optical power range (dBm) -2 to 3
Receiver sensitivity (dBm) -28
Minimum overload (dBm) -9
Minimum extinction ratio (dB) 8.2
Maximum -20 dB spectral width (nm) 1
Minimum side mode suppression ratio (dB) 30
Mechanical Speifications
Dimensions (mm) 25.4 (W) x 220 (D) x 254.1 (H)
Weight (kg) 1.1

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