Cisco N520-RCKMT-19-D3D Rack Mount
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Model: N520-RCKMT-19-D3D
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Description:
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Price: USDLast Update:
- End-of-Sale and End-of-Life Information (EOL/EOS)
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The Cisco Network Convergence System (NCS) 520 series represents a new generation of network demarcation devices specifically engineered for service providers. These units are designed to bridge the gap between customer local area networks and the mobile or cloud applications managed by service providers. By functioning as Layer 2 and Layer 3 capable devices, they provide a standardized interface that adheres to Metro Ethernet Forum (MEF) 3.0 requirements, ensuring reliable delivery of Carrier Ethernet services.
These devices are built in a compact 1RU form factor, making them ideal for space-constrained environments. A key design philosophy behind the NCS 520 series is the "touchless" deployment model, which utilizes Zero-Touch Provisioning (ZTP) to simplify installation and reduce the need for manual configuration. By streamlining the setup process, service providers can deploy these units more efficiently while maintaining high standards for service quality and network performance.
Product overview
The Cisco NCS 520 series is available in several fixed configurations to suit different network requirements, categorized primarily by port density and environmental tolerance. The product line includes models such as the N520-4G4Z and N520-20G4Z series, which offer varying combinations of 1G copper, 1G SFP, and 10G SFP+ ports. These units are available in both commercial and industrial temperature variants, with options for AC or DC power supplies and integrated fan redundancy to ensure operational continuity.
All models in the series operate on the Cisco IOS XE Polaris software, a modular operating system that provides high resiliency and feature flexibility. This software architecture allows for modular packaging and rapid feature updates, which are essential for modern, evolving network infrastructures. The hardware is also designed to support advanced timing capabilities and includes features like conformal coating on specific industrial models to protect against environmental stressors, ensuring long-term reliability in diverse deployment scenarios.
Features and benefits
- Pay-as-you-grow model: Allows providers to deploy hardware initially and activate additional features, such as 10 GE services or increased capacity, only when needed, protecting the initial investment.
- Smart Licensing: A cloud-based management system that simplifies the purchasing, tracking, and renewal of software licenses across the entire network through a unified interface.
- Zero-Touch Provisioning (ZTP): Automates the configuration process at the time of deployment, significantly reducing manual labor, setup time, and overall deployment costs.
- Enhanced Quality of Service (QoS): Supports comprehensive traffic classification, hierarchical QoS, ingress policing, and egress shaping to ensure strict adherence to Service-Level Agreements (SLAs).
- Comprehensive OAM: Provides robust Operations, Administration, and Maintenance tools, including hardware-based time stamping for performance management and support for 1731 PM and 802.1ag standards.
- Service Turn-up Capabilities: Includes Y.1564 support for traffic generation and reflection, which facilitates easier troubleshooting and reduces operational expenses (OpEx) by minimizing the need for on-site service calls.
- Security Infrastructure: Features a secure boot process with signed images, a TrustAnchor module, and various authentication protocols (TACACS+, SSH) to protect the network from unauthorized access.
Cisco Network Convergence System (NCS) 520 are next-generation Layer 2 and Layer 3 capable, MEF 3.0 Certified, network demarcation devices for service providers. These 10 Gigabit Ethernet demarcation points redefine the demarcation between the customer LAN and a service provider’s mobile and cloud applications. They provide standards-based demarcation as defined by the Metro Ethernet Forum (MEF) for Carrier Ethernet services such as Ethernet point-to-point line (ELINE) and Ethernet multipoint-to-multipoint (ELAN) services, E-Tree, Access E-Line, Transit E-Line and Quality of Service (QoS).
The Cisco NCS 520 (Figure 1) is a small form factor, 1 RU unit designed to be deployed as a “touchless” Network Interface Device. That means Zero-Touch Provisioning (ZTP) to simplify deployment.
Cisco NCS 520
Product overview
The Cisco NCS 520 comes in a small form factor (1RU) and is fixed, in these configurations:
| Product ID |
1G Cu Port |
1G SFP |
1/10G SFP+ |
AC PSU |
DC PSU |
Fan Redundancy |
Industrial Temperature |
Conformal Coating |
Timing HW Capability |
| N520-4G4Z-A |
2 |
2 |
4 |
1 |
- |
2+1 |
|
|
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| N520-X-4G4Z-A |
2 |
2 |
4 |
1 |
- |
2+1 |
|
|
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| N520-X-4G4Z-D |
2 |
2 |
4 |
- |
2 |
2+1 |
|
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|
| N520-20G4Z-A |
4 |
16 |
4 |
2 |
- |
4+1 |
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|
|
| N520-20G4Z-D |
4 |
16 |
4 |
- |
2 |
4+1 |
|
|
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| N520-X-20G4Z-A |
4 |
16 |
4 |
2 |
4+1 |
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|
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| N520-X-20G4Z-D |
4 |
16 |
4 |
- |
2 |
4+1 |
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Software
The Cisco NCS 520 runs on Cisco IOS XE Polaris Software, which is a modular operating system. Cisco IOS XE Software is designed to provide modular packaging, feature velocity, and powerful resiliency. For more information about the supported features and software capabilities, see the Cisco IOS XE Software data sheet.
| Description |
Specification |
| Layer 2 |
Layer 2 forwarding and bridging Bridge Domains (BD) Ethernet Flow Point (EFP) IEEE 802.1Q VLANs and Q-in-Q Ethernet Link Aggregation Group (LAG) Link Aggregation Control Protocol (LACP) 802.3ad G.8032 Jumbo frames on all ports PVST, RPVST+ |
| Layer 3 |
IPv4 unicast routing Virtual Routing and Forwarding (VRF) Lite OSPF/ISIS/BGP VRRP/HSRP |
| L2 Multicast |
IGMP Snooping |
| Quality of Service (QoS) |
Class-based 3-level Hierarchical QoS Policing, Shaping Priority queuing Classification based on L2/L3 fields Remarking Deep packet buffer |
| Security |
Secure Boot infrastructure with signed image TrustAnchor module Secure JTAG DHCP Snooping, Dynamic ARP Inspection Authentication, Authorization, and Accounting (AAA) Terminal Access Controller Access-Control System Plus (TACACS+) Secure Shell (SSH) Layer 2 ingress ACLs |
| OAM |
1731 PM 802.1ag CFM standards Y.1564 CDP, LLDP, ICMP Ethernet OAM: CFM, Y.1731 DM/SLM TWAMP Responder SPAN |
| Manageability |
CLI SNMP MIB Managed by EPN-M Can be managed by NSO (cli NED) NETCONF YANG models (native, open: OpenConfig, IETF) Zero-Touch Provisioning (ZTP) |
Features and benefits
Pay-as-you-grow investment model
The Return on Investment (ROI) on an access element is heavily influenced by its location in the network and proximity to customers. The ability to deploy the Cisco NCS 520 and later activate features on demand delivers investment protection. This protection allows flexibility for deploying timing (To be developed), 10 GE services, and boosting service capacity.
Smart Licensing
NCS 520 is now available with Smart License in addition to PAK license operating in the hybrid model.
Smart Licensing is a cloud-based unified license management system that manages all of the software licenses across Cisco products. It enables to purchase, deploy, manage, track and renew Cisco Software licenses. It also provides information about license ownership and consumption through a single user interface.
The solution is comprised of online Smart Accounts (at Cisco Smart Licensing Portal) used for tracking Cisco software assets and the Cisco Smart Software Manager (CSSM) which is used to manage the Smart Accounts. CSSM is where all licensing management related tasks, such as registering, de-registering, moving, and transferring licenses can be performed. Users can be added and given access and permissions to the smart account and specific virtual accounts.
ZTP
ZTP automates configuration of the Cisco NCS 520 when it is deployed in the network. The ZTP process is activated by pressing the ZTP button on the front of the Cisco NCS 520. This minimizes manual operator intervention, minimizes configuration time, and helps reduce customers’ initial deployment costs.
Ethernet services with enhanced QoS
The Cisco NCS 520 provides all the features required for MEF 3.0 service initiation, including services such as ELINE, ELAN, ETREE, ACCESS ELINE, TRANSIT ELINE. To help maintain proper QoS for these services, the Cisco NCS 520 offers rich traffic classification and hierarchical QoS for per-port services. To help ensure that Service-Level Agreements (SLAs) are enforced, ingress traffic policing and egress shaping are also supported.
Rich OAM for service assurance
Service assurance is provided through a rich feature set of Operations, Administration, and Maintenance (OAM) functionalities. The performance management traffic is time stamped in hardware to help ensure great accuracy. The Cisco NCS 520 offers standards-based fault and performance management in adherence with 1731 PM and 802.1ag Connectivity Fault Management (CFM) standards. The Cisco NCS 520 comes with service turn-up capabilities (Y.1564) that include both generation and reflection of traffic. This feature contributes to significant reduction in OpEx and allows for troubleshooting without expensive service calls.
Product specifications
Tables 1 through 4 list the product, power, environmental, safety and compliance specifications for the Cisco NCS 520
Table 1. Cisco NCS 520 system specifications
| Description |
Cisco NCS 520 Series – 8 Port |
Cisco NCS 520 Series – 24 Port |
| Physical specifications |
Height: 1.75 in., 1 RU Width: 12.2 in. Depth: 9 in. Weight:
● 6.33 lb. (2.87 kg) for DC Variant
● 6.22 lb. (2.82 kg) for AC Variant
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Height: 1.75 in., 1 RU Width: 17.5 in. Depth: 9 in. Weight:
● 8.16 lb. (3.7 kg) for DC Variant
● 8.38 lb (3.8 kg) for AC Variant
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| Rack mounts |
ETSI rack mount kit 19 in. rack mount kit 23 in. rack mount kit |
ETSI rack mount kit 19 in. rack mount kit 23 in. rack mount kit |
| Power supplies |
Single AC power supply Or Dual DC Power Supply |
Dual AC Or Dual DC Power Supply |
| Chassis MTBF at 40ºC operating temperature |
N520-4G4Z-A: 493,000 hours N520-X-4G4Z-A: 454,000 hours N520-X-4G4Z-D: 389,000 hours |
N520-20G4Z-A: 371,000 hours N520-20G4Z-D: 346,000 hours N520-X-20G4Z-A: 348,000 hours N520-X-20G4Z-D: 326,000 hours |
| Airflow |
Front-to-back airflow |
Front-to-back airflow |
Table 2. Power specifications
| Description |
Cisco NCS 520 System |
| Power consumption |
Maximum input power for NCS 520 (8 Port) is 70W. This is equivalent to 239 BTU per hr. Maximum input power for NCS 520 (24 Port) is 110W. This is equivalent to 375 BTU per hr. |
| AC input voltage and frequency |
Voltage range: 85V AC to 264V AC, nominal 100V to 240V AC Frequency range: 47 to 63 Hz, nominal 50 to 60 Hz |
| DC input voltage |
Voltage range: -19.2V DC to -72V DC, nominal -24V DC to -60V DC |
Table 3. Environmental specifications
| Description |
Cisco NCS 520 |
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| Product ID |
N520-X-4G4Z-A/D [Industrial] |
N520-4G4Z-A [Commercial] |
N520-X-20G4Z-A/D [Industrial] |
N520-20G4Z-A/D [Commercial] |
| Fans |
3 Integrated Fans1 |
5 Integrated Fans2 |
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| Operating Environment2 |
-40 to 70°C, up to 1,000 feet (300m) -40 to 65°C, up to 6,000 feet (1800m) -40 to 55°C, up to 13,000 feet (4000m) GR3108 Class-24 |
0 to 55°C, up to 1,000 feet (300m) 0 to 50°C, up to 6,000 feet (1800m) 0 to 40°C, up to 13,000 feet (4000m) GR3108 Class-14 |
-40 to 70°C, up to 1,000 feet (300m) -40 to 65°C, up to 6,000 feet (1800m) -40 to 55°C, up to 13,000 feet (4000m) GR3108 Class-24 |
0 to 55°C, up to 1,000 feet (300m) 0 to 50°C, up to 6,000 feet (1800m) 0 to 40°C, up to 13,000 feet (4000m) GR3108 Class-14 |
| Relative humidity |
5 to 95 percent, noncondensing |
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| Noise |
48 dBA at 30°C (ETSI Desktop Mount - ETSI EN 300 753 V1.2.1 (2009-03)) |
57 dBA at 30°C |
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| 77 dBA at highest system performance |
74 dBA at highest system performance |
79 dBA at highest system performance |
77 dBA at highest system performance |
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| Outside Plant |
For an outside plant installation, it is required that the system be protected against airborne contaminants, dust, moisture, insects, pests, corrosive gases, polluted air, or other reactive elements present in the outside air. To achieve this level of protection, it is recommended that the unit be installed in a fully sealed enclosure |
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| Storage Environment |
Temperature: -40 to 70°C Altitude: 15,000 feet (4570m) |
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| Seismic |
Zone 4 |
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| Hazardous substances |
Reduction of Hazardous Substances (ROHS) 6 |
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Table 4. Safety and compliance
| Type |
Standards |
| Safety |
● UL 60950-1, 2
nd edition
● CAN/CSA C22.2 No. 60950-1-07 2
nd edition
● IEC 60950-1, 2
nd edition
● EN 60950-1, 2
nd edition
● AS/NZS 60950.1:2003
|
| Emissions and Immunity |
● FCC CFR47 Part 15
● KN 32: 2015
● EN 55032:2012/ AC:2013
● EN 55032:2015
● CISPR 32 Edition 2
● EN61000-3-2: 2014
● EN61000-3-3: 2013
● EN 300 386 V1.6.1
● ICES-003 Issue 6: 2016
● V-2/2015.04
● V-3/2015.04
● TCVN 7189: 2009
● CNS13438: 2006
● CISPR24: 2010 + A1: 2015
● EN55024: 2010 + A1: 2015
● KN35: 2015
● TCVN 7317: 2003
● EN 61000-6-1: 2007
|
| NEBS |
● GR-63-CORE
● GR-1089-CORE
● SR-3580 NEBS Level 3
● GR-3108
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| ETSI |
● ETS/EN 300 019 - Storage: Class 1.2, Transportation: Class 2.3, In-Use/Operational: Class 3.2
● ETS/EN 300 753
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Ordering information
Table 5 provides ordering information.
Table 5. Ordering information
| Part Number |
Description |
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| NCS 520 System |
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| N520-4G4Z-A |
Cisco NCS 520 - 4xGE + 4x10GE, Commercial Temp, AC power supply |
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| N520-X-4G4Z-A |
Cisco NCS 520 - 4xGE + 4x10GE, Industrial Temp, AC power |
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| N520-X-4G4Z-D |
Cisco NCS 520 - 4xGE + 4x10GE, Industrial Temp, DC power |
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| N520-20G4Z-A |
Cisco NCS 520 - 20xGE + 4x10GE, Commercial Temp, AC power |
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| N520-20G4Z-D |
Cisco NCS 520 - 20xGE + 4x10GE, Commercial Temp, DC power |
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| N520-X-20G4Z-A |
Cisco NCS 520 - 20xGE + 4x10GE, Industrial Temp, AC power |
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| N520-X-20G4Z-D |
Cisco NCS 520 - 20xGE + 4x10GE, Industrial, Temp, DC power |
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| NCS 520 Licenses |
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| N520-S-M |
Metro Access License (base software) |
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| N520-1G-8 |
Cisco NCS 520 Series 8 Ports GE Upgrade License |
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| N520-10G-2 |
Cisco NCS 520 Series 2-Port 10G Upgrade License |
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| NCS 520 Accessories |
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| N520-CBL-BRKT |
NCS 520 Cable Bracket |
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| N520-RCKMT-19-D2A |
NCS 520 19 Rackmount for 8 Port AC |
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| N520-RCKMT-19-D2D |
NCS 520 19 Rackmount for 8 Port DC |
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| N520-RCKMT-23-D2A |
NCS 520 23 Rackmount for 8 Port AC |
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| N520-RCKMT-23-D2D |
NCS 520 23 Rackmount for 8 Port DC |
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| N520-RMT-ETSI-D2A |
NCS 520 ETSI Rackmount for 8 Port, AC |
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| N520-RMT-ETSI-D2D |
NCS 520 ETSI Rackmount for 8 Port, DC |
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| N520-RCKMT-19-D3A |
NCS 520 19" Rackmount for 24 Port, AC |
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| N520-RCKMT-19-D3D |
NCS 520 19" Rackmount for 24 Port, DC |
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| N520-RCKMT-23-D3A |
NCS 520 23" Rackmount for 24 Port, AC |
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| N520-RCKMT-23-D3D |
NCS 520 23" Rackmount for 24 Port, DC |
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| N520-RMT-ETSI-D3A |
NCS 520 ETSI Rackmount for 24 Port, AC |
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| N520-RMT-ETSI-D3D |
NCS 520 ETSI Rackmount for 24 Port, DC |
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| N520-WALLMT |
NCS 520 Wall Mount |
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| N520-CONS-KIT-S |
NCS 520 Series Serial Console Cabling Kit |
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| NCS 520 Optics |
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| GLC-FE-100FX |
100BASE-FX SFP for FE port |
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| GLC-FE-100FX-RGD |
100Base-FX Multi ModeRugged SFP |
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| GLC-FE-100EX |
100BASE-EX SFP (40km) |
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| GLC-FE-100ZX |
100BASE-ZX SFP (80km) |
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| GLC-FE-100LX |
100BASE-LX SFP for FE port |
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| GLC-FE-100LX-RGD |
100Mbps Single Mode Rugged SFP |
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| GLC-FE-100BX-U |
100BASE-BX10-U SFP |
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| GLC-FE-100BX-D |
100BASE-BX10-D SFP |
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| GLC-LH-SMD |
1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM |
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| GLC-SX-MM |
1000BASE-SX SFP transceiver module |
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| GLC-SX-MMD |
1000BASE-SX SFP transceiver module, MMF, 850nm, DOM |
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| GLC-SX-MM-RGD |
1000Mbps Multi-Mode Rugged SFP |
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| GLC-EX-SMD |
1000BASE-EX SFP transceiver module, SMF, 1310nm, DOM |
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| GLC-LX-SMD |
1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM |
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| GLC-ZX-SMD |
1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM |
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| GLC-ZX-SM-RGD |
1000BASE-ZX Single Mode RuggedSFP |
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| GLC-BX-U |
1000BASE-BX SFP, 1310NM |
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| GLC-BX-D |
1000BASE-BX SFP, 1490NM |
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| GLC-TE |
1000BASE-T SFP transceiver module for Category 5 copper wire |
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| GLC-T |
1000BASE-T SFP |
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| SFP-GE-T |
1000BASE-T SFP connector, RJ45 interface, 100m |
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| SFP-10G-SR |
10GBASE-SR SFP Module |
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| SFP-10G-SR-S |
10GBASE-SR SFP Module |
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| SFP-10G-LR |
10GBASE-LR SFP Module |
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| SFP-10G-LR-S |
10GBASE-LR SFP Module |
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| SFP-10G-ER |
10GBASE-ER SFP Module |
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| SFP-10G-ZR |
Cisco 10GBASE-ZR SFP10G Module for SMF |
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| SFP-10G-SR-X |
10GBASE-SR SFP Module for Extended Temp range |
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| SFP-10G-LR-X |
10GBASE-LR SFP Module for Extended Temp range |
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| SFP-10G-LRM |
10GBASE-LRM SFP Module |
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| SFP-10G-ER-S |
10GBASE-ER SFP Module |
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| SFP-H10GB-CU1M |
10GBASE-CU SFP+ Cable 1 Meter |
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| SFP-H10GB-CU3M |
10GBASE-CU SFP+ Cable 3 Meter |
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| SFP-H10GB-CU5M |
10GBASE-CU SFP+ Cable 5 Meter |
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| CWDM-SFP10G-1570 |
CWDM 1570 nm SFP+ 10 Gigabit Ethernet Transceiver Module |
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| DWDM-SFP10G-38.19= |
10GBASE-DWDM 1538.19 nm SFP10G (100-GHz ITU grid) |
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| SFP-10G-BXD-I |
10GBASE BiDirectionall, 1330-nm Tx,1270-nm Rx, 10Km |
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| SFP-10G-BXU-I |
10GBASE BiDirectionall, 1270-nm Tx,1330-nm Rx, 10Km |
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| SFP-10G-BX40D-I |
10GBASE BiDirectionall, 1330-nm Tx,1270-nm Rx, 40Km |
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| SFP-10G-BX40U-I |
10GBASE BiDirectionall, 1270-nm Tx,1330-nm Rx, 40Km |
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| Model | N520-RCKMT-19-D3D |