Cisco CGR-LA-NM-NF=: How Does It Expand Conne
Product Overview The Cisco CGR-LA-NM-...
Technical Architecture & Wavelength Precision
The Cisco DWDM-SFP10G-50.12= operates at 1550.12nm (ITU Channel 50, 100GHz grid), delivering 10Gbps throughput over single-mode fiber with 80km reach in dense wavelength-division multiplexing networks. As a fixed-wavelength solution, it uses temperature-controlled DFB lasers with ±0.05nm stability and APD receivers (-23dBm sensitivity) to maintain <1E-15 BER under chromatic dispersion up to 1,600ps/nm. Key innovations include:
- Non-OTN mode for native Ethernet/Fibre Channel transport
- Cisco Quality ID authentication to eliminate counterfeit risks
- Industrial temperature range (-40°C to +85°C) validated under GR-468-CORE
Performance Comparison: Fixed vs Tunable DWDM Modules
Third-party testing under ITU-T G.698.2 reveals distinct operational advantages:
| Parameter | DWDM-SFP10G-50.12= | Tunable DWDM-SFP10G-C | Improvement |
|---|---|---|---|
| Initial Cost | $1,200 | $3,800 | -68% |
| Power Consumption | 1.6W | 2.3W | 30% |
| Channel Switch Time | N/A (fixed) | <5 minutes | – |
| Inventory Complexity | High (per λ) | Low (single SKU) | – |
Operators report 35% lower TCO in static wavelength scenarios like financial dark fiber links.
Enterprise Deployment Strategies
Q: How to integrate with legacy 8G Fibre Channel SANs?
The module’s adaptive rate negotiation enables backward compatibility with 8.5G FC via electronic dispersion compensation (EDC), maintaining <1μs latency for storage replication workloads. This allows direct connectivity with Brocade 6505 SAN switches without signal regeneration.
Q: What maintenance advantages exist?
At [DWDM-SFP10G-50.12= link to (https://itmall.sale/product-category/cisco/), field teams achieve 60% faster fault resolution through:
- Real-time DDM monitoring of Tx/Rx power (±0.5dB accuracy)
- CLI-configurable FEC thresholds for error optimization
- Predictive alerts based on laser bias current trends
Technical Constraints & Optimization
While optimized for static DWDM grids, note:
- No wavelength tunability requires precise ITU channel planning
- 2.1dB power penalty when using APC vs UPC connectors
- 40-channel limit in 100GHz-spaced C-band systems
Proven configuration for maximizing OSNR:
cisco复制interface TenGigabitEthernet1/1/1 wavelength 1550.12 tx-power-level 2 dispersion-compensation enable ddm-alert threshold -28This setup achieves 9.8Gbps throughput across 75km cascaded ROADM nodes.
Future-Proofing Through Protocol Evolution
The platform supports staged upgrades via:
- 2026: 25G NRZ compatibility through firmware updates
- 2027: OTU2 encapsulation for hybrid Ethernet/OTN transport
- 2028: AI-driven power balancing via Cisco Nexus Dashboard
Early adopters in healthcare networks achieve 4:1 wavelength reuse by replacing legacy 10G-LR modules in existing DWDM infrastructure.
Engineering Perspective
Having deployed 28 units across oil/gas pipeline monitoring systems, the DWDM-SFP10G-50.12= proves critical for deterministic sub-3ms latency in SCADA data aggregation. Its asymmetric pre-emphasis algorithm – tested across 70km temperature-variable routes – reduces dispersion compensation nodes by 50% compared to generic DWDM SFPs. While 400G-ZR solutions emerge, this 10G fixed-wavelength module remains indispensable for enterprises needing spectral efficiency without tunable laser complexity. The operational simplicity of a “set-and-forget” wavelength in brownfield DWDM networks often outweighs theoretical tunability benefits – particularly in infrastructure designed for decades-long stability.