Product Overview
The Cisco® Network Convergence System 2000 Series (NCS 2000 Series) features a suite of passive modules to accommodate network elements built on the Cisco nLight™ reconfigurable optical add-drop multiplexer (ROADM) node architecture (Figure 1).
Features and Benefits
The Cisco nLight ROADM node architecture has been specifically defined and engineered to provide:
● High reliability: The modular architecture allows complete independence between specific direction-facing units with the ability to house units in physically separated shelves.
● Low insertion loss: Selected technology allows direct integration of different functions in the same optical module, reducing the number of optical connections.
● Reduced footprint: The auxiliary passive units integrate power monitoring with an exceptionally small footprint, reducing node power consumption and increasing system density.
Each module uses USB to connect with the external connection unit (ECU) of the NCS 2000 Series chassis. The USB communication channel is used to:
● Retrieve data stored in the nonvolatile memory of the module, specifically, inventory data and the insertion loss of the optical paths
● Retrieve the optical power levels monitored by the photodiode of the module
● Activate an LED indicator on the front panel of each module
Module Types
Three types of modules are available-patch - panel modules, add-drop modules, and adapter modules - all of which fit into the slots of a 1-rack-unit (1RU) mechanical frame chassis (MF 1RU) (Figure 2). Their passive nature helps ensure extremely high availability in a small, low-power footprint.
Modular Patch Panel Modules
ROADM node architectures built with Cisco nLight ROADM feature a modular approach to degree interconnection, offering an incremental payment model combining just two units: a 5-Degree Patch Panel Module (product number: NCS2K-MF-DEG-5=) and a 4-Degree Upgrade Patch Panel Module (product number: NCS2K-MF-UPG-4=) (Figure 3).
The 5-Degree Patch Panel Module provides interconnections between five 8-port multifiber push-on (MPO) connectors. It is used to connect any combination of up to five ROADM line degrees (express connections) and add-drop components (add-drop connections). The 40 optical paths are interconnected as shown in Figure 4. Five photodiodes provide power monitoring of fiber 1 of each MPO connector. Power values, as well as the manufacturing data stored in the flash memory, are provided to a Cisco Transport Controller through the USB connection. This module is single-slot height in the mechanical frame chassis.
The Cisco 4-Degree Upgrade Modular Patch Panel Module provides interconnections among eight 8-fiber MPO connectors. It is used to expand the number of degrees and the number of add-drop ports supported by the node. The 64 optical paths are interconnected as shown in Figure 5. A total of eight photodiodes provide power monitoring of fiber 1 of each MPO connector. Power values, as well as the manufacturing data stored in the flash memory, are provided to Cisco Transport Controller through the USB connection. This module is single-slot height in the mechanical frame chassis.
Add-Drop Modules
A set of add-drop modules provides colorless, omnidirectional, and flex spectrum add-drop functions to Cisco nLight ROADM nodes. Four different add-drop modules are available (Figure 6):
● 1 x 16 colorless flex spectrum (CFS) add-drop module
● 1 x 16 colorless flex spectrum add-drop plus express module
● 1 x 10 colorless flex spectrum add-drop module
● 4 x 4 colorless 0mnidirectional flex spectrum (COFS) add-drop module
The 1 x 16 colorless flex spectrum (CFS) add-drop module (product number: NCS2K-MF-16AD-CFS=) is a passive unit comprising one 1 x 16 splitter and one 16 x 1 combiner, plus 17 photodiodes arranged as shown in Figure 7. This module is double-slot height (full height) in the mechanical frame chassis. Its primary function is to provide optical multiplexing and demultiplexing for up to 16 optical signals. Because it is based on optical splitter and combiner technology, only transceivers employing coherent detection can be directly connected to the 16 client ports of the unit. Integrated photodiodes provide connectivity check and monitoring functions. Virtual photodiodes are implemented on the drop ports by subtracting the insertion losses from the photodiode reading on the COM-RX port. Power values, as well as the manufacturing data stored in the flash memory, are provided to Cisco Transport Controller through the USB connection. A second variant of the 1 x 16 colorless flex spectrum (CFS) add-drop (product number: NCS2K-MF-16AE-CFS) includes an express path, which allows wavelengths that do not add and drop to optically bypass the device, which allows the construction of passive add-drop network architectures.
The 1 x 10 colorless flex spectrum (CFS) add-drop module (product number: NCS2K-MF-10AD-CFS) is a passive unit with one 1 x 10 splitter and one 10 x 1 combiner, plus 11 photodiodes arranged as shown in Figure 8. This module is double-slot height (full height) in the mechanical frame chassis. Its primary function is to provide optical multiplexing and demultiplexing for up to 10 optical signals. Because it is based on optical splitter and combiner technology, only transceivers employing coherent detection can be directly connected to the 10 client ports of the unit. Integrated photodiodes provide connectivity check and monitoring functions. Virtual photodiodes are implemented on the drop ports by subtracting the insertion losses from the photodiode reading on the COM-RX port. Power values, as well as the manufacturing data stored in the flash memory, are provided to Cisco Transport Controller through the USB connection.
The 4x4 colorless omnidirectional flex spectrum (COFS) add-drop module (product number: NCS2K-MF-4X4-COFS-AD) is a passive unit consisting of eight 2 x 2 optical couplers and eight photodiodes, arranged as shown in Figure 9. This module is single-slot height in the mechanical frame chassis. Power monitoring is present at each channel input port and at each common input port. Virtual photodiodes are implemented on the channel drop ports by subtracting the insertion losses from the photodiode reading on the COM-RX ports. Power values, as well as the manufacturing data stored in the flash memory, are provided to Cisco Transport Controller through the USB connection. The module’s primary function is to provide optical multiplexing and demultiplexing for up to four optical signals. Because it is based on optical splitter and combiner technology, only transceivers employing coherent detection can be directly connected to four client ports of this unit.
Adapter Modules
A set of adapter modules converts between MPO-8, MPO-16, and LC fiber connectors. The following adapter modules are available:
● MPO-8 to 16 x LC fan-out module
● MPO-16 to 16 x LC fan-out module
● MPO-16 to 2 x MPO-8 adapter (two adapters in one module)
The MPO-8 to 8 x LC fan-out module provides mechanical adaptation from units offering LC connectors to those with MPO-8 connectors. A total of eight photodiodes provide power monitoring of input and output ports, as shown in Figure 11.
The MPO-16 to 16 x LC Fan-Out Module provides mechanical adaptation from units offering LC connectors to those with MPO-16 connectors. A total of sixteen photodiodes provide power monitoring of input and output ports, as shown in Figure 12.
The MPO-16 to 2 x MPO-8 adapter module provides mechanical adaptation from units offering MPO-8 connectors to those with MPO-16 connectors. Two adaptations are provided per module. Three photodiodes provide power monitoring of input and output ports, as shown in Figure 13.
Combination Mesh Patch Panel Plus Add-Drop Module
The 2RU 8-degree mesh patch panel 5-add-drop port module (Figure 14) is a standalone unit providing eight degrees of mesh connectivity and five add-drop ports. In contrast with the modular components described earlier, all express and add-drop connections are contained within the unit, simplifying node fibering. All connectors are either MPO-24 or MPO-8 for easy and direct interconnection to flex spectrum single-module ROADM or contentionless add-drop line cards (Figure 15).
Passive Auxiliary Modules Product Specifications
Tables 1 through 11 list the specifications of the modules. Product numbers for ordering each module appear in Table 12.
Table 1. Optical Specifications for the 5-Degree Patch Panel Module
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.5 dB |
Insertion loss ripple (wavelength-dependent loss [WDL]) |
|
0.1 dB |
Polarization Dependent Loss (PDL) |
|
0.1 dB |
Polarization mode dispersion (PMD) |
|
0.05 ps |
Return loss |
40 dB |
|
Table 2. Optical Specifications for the 4-Degree Upgrade Patch Panel Modules
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.5 dB |
Insertion loss ripple (WDL) |
|
0.1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.05 ps |
Return loss |
40 dB |
|
Table 3. Optical Specifications for the 1 x 16 CFS Add-Drop Module
Parameter |
Minimum |
Maximum |
Insertion loss |
12 dB |
14.5 dB |
Insertion loss ripple (WDL) |
|
0.3 dB |
I.L. uniformity |
|
1 dB |
PDL |
|
0.2 dB |
PMD |
|
0.05 ps |
Chromatic dispersion |
|
± 5 ps/nm |
Group delay ripple |
|
10 ps |
Return loss |
45 dB |
|
Table 4. Optical Specifications for the 1 x 16 CFS Add-Drop Plus Express Module
Parameter |
Optical Path |
Minimum |
Maximum |
Insertion loss |
COM-RX à EXP-TX EXP-RX à COM-TX |
6 dB |
7.5 dB |
ADD-i à COM-TX EXP-RX à DROP-i |
13.5 dB |
15 dB |
|
Insertion loss ripple (WDL) |
|
|
0.3 dB |
I.L. uniformity |
|
|
1 dB |
PDL |
|
|
0.2 dB |
PMD |
|
|
0.05 ps |
Chromatic dispersion |
|
|
± 5 ps/nm |
Group delay ripple |
|
|
10 ps |
Return loss |
|
45 dB |
|
Table 5. Optical Specifications for the 1 x 10 CFS Add-Drop Module
Parameter |
Minimum |
Maximum |
Insertion loss |
10 dB |
12 dB |
Insertion loss ripple (WDL) |
|
0.5 dB |
I.L. uniformity |
|
1 dB |
PDL |
|
0.2 dB |
PMD |
|
0.05 ps |
Chromatic dispersion |
|
± 5 ps/nm |
Group delay ripple |
|
10 ps |
Return loss |
40 dB |
|
Table 6. Optical Specifications for the 4 x 4 Colorless Omnidirectional Flex Spectrum Add-Drop Module
Parameter |
Minimum |
Maximum |
Insertion loss |
6 dB |
8 dB |
Insertion loss ripple (WDL) |
|
0.5 dB |
I.L. uniformity |
|
1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.05 ps |
Chromatic dispersion |
|
± 5 ps/nm |
Group delay ripple |
|
10 ps |
Return loss |
40 dB |
|
Table 7. Optical Specifications for the MPO-8xLC Adapter Module
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.1 dB |
Insertion loss ripple (WDL) |
|
0.1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.1 ps |
Return loss |
40 dB |
|
Table 8. Optical Specifications for the MPO-16xLC Adapter Module
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.1 dB |
Insertion loss ripple (WDL) |
|
0.1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.1 ps |
Return loss |
40 dB |
|
Table 9. Optical Specifications for the MPO-16 to 2xMPO-8 Adapter Module
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.5 dB |
Insertion loss ripple (WDL) |
|
0.1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.05 ps |
Return loss |
40 dB |
|
Table 10. Optical Specifications for 8-Degree Mesh Patch Panel 5-Add-Drop Port Module
Parameter |
Minimum |
Maximum |
Insertion loss |
0 dB |
1.5 dB |
Insertion loss ripple (WDL) |
|
0.1 dB |
PDL |
|
0.1 dB |
PMD |
|
0.05 ps |
Return loss |
40 dB |
|
Table 11. Passive Auxiliary Modules Physical Specifications
Parameter |
Value |
Power |
500 mW maximum |
Size (H x W x D) |
0.67 x 7.05 x 6.5 in. (17 x 179 x 165 mm) for DEG-5, UPG-4, MPO-8LC, 4x4 COFS-AD, MPO-8LC, MPO-16LC, 2MPO-ADP, and 2LC-ADP 1.39 x 7.05 x 6.50 in. (35.2 x 179 x 165 mm) for 16AD-CFS, 16AE-CFS, and 10AD-CFS 3.45 x 17.21 x 10.89 in. (87.6 x 437.1 x 276.7 mm) for PPMESH8-5AD |
Weight |
1.28 lb (0.58 kg) for DEG-5, UPG-4, MPO-8LC, 4x4 COFS-AD, MPO-8LC, MPO-16LC, 2MPO-ADP, and 2LC-ADP 1.76 lb (0.8 kg) for 16AD-CFS, 16AE-CFS, and 10AD-CFS 10.36 lbs. (4.7 kg) for PPMESH8-5AD |
Management |
|
Card LEDs |
Each module has two LEDs at the front panel: one blue LED and one three-color LED (yellow, green, and red). Both LEDs can also blink at 0.5 Hz and 2.5 Hz on request. The LED is used to:
● Notify that the module is powered but not associated. LED not blinking, color yellow
● Notify that the module is powered and associated. LED not blinking, color green
● Help operator identify a specific module, light-up blue LED (blinking)
|
Operating Environment |
|
Temperature |
23 to 131°F (-5 to 55°C) |
Relative humidity |
5 to 95% |
Table 12. ROADM Passive Auxiliary Modules Ordering Information
Product Name |
Description |
NCS2K-MF-1RU= |
Mechanical Frame - 4 slots - 1 RU |
NCS2K-MF-DEG-5= |
Mesh Interconnection MF Unit - Up to 5 Degrees |
NCS2K-MF-UPG-4= |
Mesh Interconnection MF Unit - Upgrade - 4 Degrees |
NCS2K-MF-16AD-CFS= |
16-Ports Add/Drop MF Unit - Colorless and Flex Spectrum |
NCS2K-MF-4X4-COFS= |
4-Degree and 4-Ports Add/Drop MF Unit - CO and Flex Spectrum |
NCS2K-MF-MPO-8LC= |
MPO to 8x LC Fan-Out MF Unit - With Integrated Monitoring |
NCS2K-MF-MPO-16LC= |
MPO-16 to 16xLC Fan-Out MF Unit - With Integrated Monitoring |
NCS2K-MF-2MPO-ADP= |
Double MPO-16 to 2xMPO-8 Adapter MF Unit - Monitoring |
NCS2K-PPMESH8-5AD= |
2RU 8-Degree Mesh Patch Panel- 5-Add/Drop Port + Monitoring |
NCS2K-MF-16AE-CFS= |
16-Port Add/Drop + Express MF Unit - Colorless Flex Spectrum |
NCS2K-MF-10AD-CFS= |
10-Port Add/Drop MF Unit - Colorless Flex Spectrum |
NCS2K-MF-COVER= |
1 RU Cover for the Mechanical Frame |
NCS2K-MF-2LC-ADP= |
Double LC-LC Adapter MF Unit |
Table 13 provides regulatory compliance information for all units included in this data sheet.
Table 13. Regulatory Compliance1
Countries Supported |
|
ANSI System |
ETSI System |
● Canada
● United States
● Korea
● Japan
● European Union
|
● European Union
● Africa
● CSI
● Australia
● New Zealand
● China
● Korea
● India
● Saudi Arabia
● South America
|
EMC (Class A) |
|
● ICES-003 (2004)
● GR-1089-CORE Issue 6, NEBS EMC and Safety (May 2011)
● 47 FCC part15 (2011)
|
● EN 300 386 Telecommunications Network Equipment (EMC): 2008 (Note: EMC-1)
● CISPR22 Ed.6 (2008) and CISPR24: Ed.2 (2010)
● EN55024 Ed.2 2010: Immunity levels: see EN61000-4-xx
● EN55022: 2007 Information Technology Equipment (Emissions)(2006) (EMC-2)
|
Safety |
|
● UL/CSA 60950-1,Second Ed 2011
● GR-1089-CORE Issue 6, NEBS EMC and Safety (May 2011)
|
● UL/CSA 60950-1,Second Ed 2011
● IEC 60950-1(2005/12), 2nd Edition and National Differences as per CB Bulletin 112A
● + Amendment 1: 2009
|
Laser |
|
● UL/CSA 60950-1,Second Ed 2011
● IEC 60950-1(2005/12), 2nd Edition and National Differences as per CB Bulletin 112A
● +Amendment 1: 2009
● IEC-60825-2 Edition 3.1, 2007/01
|
● CDRH (accession letter and report)
● IEC 60825-1 Ed. 2 2007-03
|
Environmental |
|
● GR-63-CORE Issue 4, NEBS Physical Protection (Apr 2012)
● ETS 300-019-2-1 V2.1.2 (2000-09) (Storage, Class 1.1)
|
● ETS 300-019-2-2 V2.2.1 (2011-11): Transportation, Class 2.3
● ETS 300-019-2-3 V2.2.2 (2003-04): stationary use, Class 3.1E
|
Warranty
The following warranty terms apply to the Cisco NCS 2000 as well as services you may use during the warranty period. Your formal warranty statement appears in the Cisco Information Packet that accompanies your Cisco product.
● Hardware warranty duration: Five years.
● Software warranty duration: One year.
● Hardware replacement, repair, or refund procedure: Cisco or our service center will use commercially reasonable efforts to ship a replacement part for delivery within 15 working days after receipt of the defective product at the Cisco site. Actual delivery times of replacement products may vary depending on customer location.
Product warranty terms and other information applicable to Cisco products are available at:
http://www.cisco.com/go/warranty.
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